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Segment disclosures

Company overview

NEW JERSEY RESOURCES CORPORATION

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

135 dimension combinations 789 retained observations 7 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Consolidation Eliminations · Clean Energy Ventures CEV Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Consolidation Eliminations · Energy Services ES Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Consolidation Eliminations · Home Services And Other HSO

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30-5000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-30-5000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30-302000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-30-30000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30-287000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-31-95000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31-256000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-31-161000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Consolidation Eliminations · Natural Gas Distribution NJNG Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30-238000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-30-713000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-31-238000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-31-475000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-31-237000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30-1121000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-30-238000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30-881000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-31-306000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31-643000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-31-337000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Consolidation Eliminations · Storage And Transportation ST Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3030000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3030000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30-41000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30-41000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-311000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31-41000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-31-42000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Commercialand Industrial · Home Services And Other HSO

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3130000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3155000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3125000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-3040000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-30172000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3143000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31132000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3189000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Firm Transportation · Home Services And Other HSO

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Interruptibleand Offtariff · Home Services And Other HSO

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Residential · Home Services And Other HSO

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3114928000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3130909000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3115981000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-3016107000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3046630000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3114980000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3130524000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3115544000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Installationand Maintenance · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-315430000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3111981000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-316551000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3025561000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-306796000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3019206000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-315848000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3112410000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-316562000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Natural Gas Utility · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Renewable Energy Certificates · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Service Contracts · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-319528000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3118983000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-319455000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3037327000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-309381000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3027883000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-319270000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3118502000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-319232000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Wholesale Natural Gas · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Electricity · Home Services And Other HSO

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Corporate Non Segment · Home Services And Other HSO

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3017753000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3048717000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-3114958000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3130964000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3116006000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3062586000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3016147000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3046802000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-3115023000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3130656000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3115633000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Commercialand Industrial · Clean Energy Ventures CEV Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-318883000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3118235000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-319352000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3042705000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3011851000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3026296000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-317833000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3114445000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-316612000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Commercialand Industrial · Energy Services ES Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3113491000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3126331000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3112840000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3047653000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3011807000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3035644000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3111890000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3123837000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3111947000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Commercialand Industrial · Natural Gas Distribution NJNG Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3184260000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-31137701000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3153441000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30164796000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3027970000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-30143271000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3173496000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31115301000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3141805000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Commercialand Industrial · Storage And Transportation ST Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3129434000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3157514000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3128080000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30106372000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3027129000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3079023000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3125308000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3151894000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3126586000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Firm Transportation · Clean Energy Ventures CEV Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Firm Transportation · Energy Services ES Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Firm Transportation · Natural Gas Distribution NJNG Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3143841000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3178518000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3134677000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30110042000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3022011000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3091744000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3142408000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3169733000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-3127325000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Firm Transportation · Storage And Transportation ST Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Interruptibleand Offtariff · Clean Energy Ventures CEV Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Interruptibleand Offtariff · Energy Services ES Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Interruptibleand Offtariff · Natural Gas Distribution NJNG Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-312070000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-314472000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-312402000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-303043000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-307300000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-311141000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-314257000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-313116000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Interruptibleand Offtariff · Storage And Transportation ST Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Interruptible Off Tariff And Other · Clean Energy Ventures CEV Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleOffTariffAndOtherMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence

Operating Segments · Interruptible Off Tariff And Other · Energy Services ES Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleOffTariffAndOtherMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence

Operating Segments · Interruptible Off Tariff And Other · Natural Gas Distribution NJNG Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleOffTariffAndOtherMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2024-10-01 – 2025-09-309690000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence

Operating Segments · Interruptible Off Tariff And Other · Storage And Transportation ST Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:InterruptibleOffTariffAndOtherMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence

Operating Segments · Residential · Clean Energy Ventures CEV Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-302110000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-302110000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-312110000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-312110000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Residential · Energy Services ES Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Residential · Natural Gas Distribution NJNG Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31444413000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-31728514000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-31284101000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30805351000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-30114878000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-30730797000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-31392100000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31615919000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-31223819000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Residential · Storage And Transportation ST Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Installationand Maintenance · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Installationand Maintenance · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Installationand Maintenance · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Installationand Maintenance · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Natural Gas Utility · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Natural Gas Utility · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Natural Gas Utility · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31574822000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-31949680000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-31374858000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-301091000000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-30168140000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-30973993000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-31509451000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31805853000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-31296402000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Natural Gas Utility · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Renewable Energy Certificates · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-313380000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-317117000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-313737000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3017575000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-304964000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3010726000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-312866000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-315762000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-312896000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Renewable Energy Certificates · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Renewable Energy Certificates · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2024-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence

Operating Segments · Renewable Energy Certificates · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Service Contracts · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Service Contracts · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Service Contracts · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Service Contracts · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Wholesale Natural Gas · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Wholesale Natural Gas · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3113491000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3126331000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3112840000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3047653000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3011807000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3035644000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3111890000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3123837000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Wholesale Natural Gas · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Wholesale Natural Gas · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3129434000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3157514000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3128080000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30106413000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3027129000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3079064000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-3125307000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3151935000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Electricity · Clean Energy Ventures CEV Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-315503000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3111118000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-315615000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3027240000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-306887000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-3017680000 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-314967000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3110793000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Electricity · Energy Services ES Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Electricity · Natural Gas Distribution NJNG Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Electricity · Storage And Transportation ST Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-310 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-300 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2025-08-05 · 20:34:31.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Clean Energy Ventures CEV Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3019024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3037259000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-318883000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3118235000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-319352000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3044815000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3011851000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3028406000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-317833000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3116555000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Energy Services ES Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3018024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3044355000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-3113491000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3126331000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3112840000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3047653000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3011807000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3035644000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-3111890000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3123837000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Natural Gas Distribution NJNG Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30171766000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-301120971000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-31574584000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-31949205000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-31374621000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-301089879000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-30167902000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30973112000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-31509145000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-31805210000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Operating Segments · Storage And Transportation ST Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3031418000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3088932000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-3129434000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3157514000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3128080000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-30106372000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3027129000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3079023000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-3125308000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3151894000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence

Commercialand Industrial · Corporate Non Segment · Home Services And Other HSO

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3143000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-31132000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Commercialand Industrial · Operating Segments · Clean Energy Ventures CEV Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-317833000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-3114445000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Commercialand Industrial · Operating Segments · Energy Services ES Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3111890000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-3123837000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Commercialand Industrial · Operating Segments · Natural Gas Distribution NJNG Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3173496000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-31115301000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Commercialand Industrial · Operating Segments · Storage And Transportation ST Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3125308000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-3151894000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Commercialand Industrial · Clean Energy Ventures CEV Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3019024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3037259000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3011851000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3026296000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Commercialand Industrial · Energy Services ES Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3018024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3044355000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3011807000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3035644000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Commercialand Industrial · Home Services And Other HSO · Corporate Non Segment

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3079000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3040000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30172000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Commercialand Industrial · Natural Gas Distribution NJNG Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3027075000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-30164776000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3027970000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30143271000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Commercialand Industrial · Storage And Transportation ST Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:CommercialandIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3031418000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3088932000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3027129000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3079023000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Firm Transportation · Corporate Non Segment · Home Services And Other HSO

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Firm Transportation · Operating Segments · Clean Energy Ventures CEV Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Firm Transportation · Operating Segments · Energy Services ES Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Firm Transportation · Operating Segments · Natural Gas Distribution NJNG Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3142408000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-3169733000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Firm Transportation · Operating Segments · Storage And Transportation ST Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Firm Transportation · Clean Energy Ventures CEV Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Firm Transportation · Energy Services ES Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Firm Transportation · Home Services And Other HSO · Corporate Non Segment

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Firm Transportation · Natural Gas Distribution NJNG Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3026023000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-30104541000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3022011000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3091744000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Firm Transportation · Storage And Transportation ST Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:FirmTransportationMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Interruptibleand Offtariff · Corporate Non Segment · Home Services And Other HSO

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Interruptibleand Offtariff · Operating Segments · Clean Energy Ventures CEV Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Interruptibleand Offtariff · Operating Segments · Energy Services ES Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Interruptibleand Offtariff · Operating Segments · Natural Gas Distribution NJNG Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-311141000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-314257000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Interruptibleand Offtariff · Operating Segments · Storage And Transportation ST Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Interruptibleand Offtariff · Clean Energy Ventures CEV Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Interruptibleand Offtariff · Energy Services ES Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Interruptibleand Offtariff · Home Services And Other HSO · Corporate Non Segment

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Interruptibleand Offtariff · Natural Gas Distribution NJNG Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-302052000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-306524000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-303043000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-307300000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Interruptibleand Offtariff · Storage And Transportation ST Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:InterruptibleandOfftariffMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Residential · Corporate Non Segment · Home Services And Other HSO

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3114980000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-3130524000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Residential · Operating Segments · Clean Energy Ventures CEV Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-312110000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Residential · Operating Segments · Energy Services ES Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Residential · Operating Segments · Natural Gas Distribution NJNG Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-31392100000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-31615919000 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Residential · Operating Segments · Storage And Transportation ST Segment

Major Customers · Consolidation Items · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence
2024-10-01 – 2025-03-310 USD2025-05-06 · 18:05:25.000ZOpen filing evidence

Residential · Clean Energy Ventures CEV Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-302110000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Residential · Energy Services ES Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Residential · Home Services And Other HSO · Corporate Non Segment

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3017729000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3048638000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3016107000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3046630000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Residential · Natural Gas Distribution NJNG Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30116616000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-30845130000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-30114878000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30730797000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Residential · Storage And Transportation ST Segment · Operating Segments

Major Customers · Statement Business Segments · Consolidation Items

Source dimensions srt:MajorCustomersAxis=njr:ResidentialMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Installationand Maintenance · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Installationand Maintenance · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Installationand Maintenance · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-307998000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3019979000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-306796000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3019206000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Installationand Maintenance · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Installationand Maintenance · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:InstallationandMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Natural Gas Utility · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Natural Gas Utility · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Natural Gas Utility · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Natural Gas Utility · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30172004000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-301121684000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-30168140000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-30973993000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Natural Gas Utility · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:NaturalGasUtilityMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Renewable Energy Certificates · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-308469000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3015586000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-304964000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3010726000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Renewable Energy Certificates · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Renewable Energy Certificates · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Renewable Energy Certificates · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Renewable Energy Certificates · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:RenewableEnergyCertificatesMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Service Contracts · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Service Contracts · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Service Contracts · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-309760000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3028743000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-309381000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3027883000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Service Contracts · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Service Contracts · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:ServiceContractsMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Wholesale Natural Gas · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Wholesale Natural Gas · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3018024000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3044355000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3011807000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3035644000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Wholesale Natural Gas · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Wholesale Natural Gas · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Wholesale Natural Gas · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=njr:WholesaleNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3031388000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3088902000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-3027129000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3079064000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Electricity · Clean Energy Ventures CEV Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:CleanEnergyVenturesCEVSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3010555000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3021673000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-306887000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3017680000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Electricity · Energy Services ES Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:EnergyServicesESSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Electricity · Home Services And Other HSO · Corporate Non Segment

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:HomeServicesAndOtherHSOMember;srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Electricity · Natural Gas Distribution NJNG Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:NaturalGasDistributionNJNGSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Electricity · Storage And Transportation ST Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ElectricityMember;us-gaap:StatementBusinessSegmentsAxis=njr:StorageAndTransportationSTSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-300 USD2026-08-04 · 20:58:21.000ZOpen filing evidence

Corporate And Other

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3017545000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-10-01 – 2026-06-3048034000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2026-01-01 – 2026-03-3114720000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2026-03-3130489000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2025-10-01 – 2025-12-3115769000 USD2026-02-03 · 20:52:19.000ZOpen filing evidence
2024-10-01 – 2025-09-3061424000 USD2025-11-20 · 21:44:24.000ZOpen filing evidence
2025-04-01 – 2025-06-3015909000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2024-10-01 – 2025-06-3045880000 USD2026-08-04 · 20:58:21.000ZOpen filing evidence
2025-01-01 – 2025-03-3114718000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence
2024-10-01 – 2025-03-3129972000 USD2026-05-05 · 20:00:12.000ZOpen filing evidence