Fundies. English
Segment disclosures
Company overviewAVISTA CORPORATION
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
67 dimension combinations 755 retained observations 29 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.
Operating Segments · Utility Revenue · Alaska Electric Light Power
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 27000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 15000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 33000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 11000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 24000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 13000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 50000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 10000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 35000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 11000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 25000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 14000000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 48000000 Restated | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9851000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 35408000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11194000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25557000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14363000 | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 46000000 Restated | USD | 20250226 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45366000 | USD | 20240221 | Open filing evidence |
Operating Segments · Utility Revenue · Avista Utilities
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 401000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 956000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 555000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1916000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 394000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1398000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 400000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1004000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 604000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1887000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 384000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1370000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 391000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 986000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 595000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1703000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 369673000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1198419000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 368604000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 828746000 | USD | 20240807 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1663000000 Restated | USD | 20250226 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 349655000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1167042000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 368515000 | USD | 20220803 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 817387000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 448872000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1392999000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 286752000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 974172000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 287560000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 687420000 | USD | 20220803 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1277468000 | USD | 20230222 | Open filing evidence |
Operating Segments · Alaska Electric Light Power
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 12202000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 37265000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 7790000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 27414000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 8743000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 19624000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Operating Segments · Alaska Electric Light Power · Utility Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 9851000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 35408000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11194000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25557000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14363000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 45704000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 9637000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 32597000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 9906000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 22960000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 13054000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45366000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 9147000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 32515000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 10547000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23368000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12821000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 42809000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 8815000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 31014000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9997000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22199000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 12202000 | USD | 20210505 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 37265000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 7790000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 27414000 | USD | 20201104 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 8743000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 19624000 | USD | 20200805 | Open filing evidence |
Operating Segments · Avista Utilities
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 377205000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1295873000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 274931000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 942441000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 289808000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 667510000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Operating Segments · Avista Utilities · Utility Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 594936000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1702857000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 369673000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 368604000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 460142000 | USD | 20240501 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 349655000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1167042000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 368515000 | USD | 20230802 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1392999000 | USD | 20240221 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 286752000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 974172000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 399860000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1277468000 | USD | 20210224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 263564000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 909109000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 268340000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 645545000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 377205000 | USD | 20210505 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1295873000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 274931000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 942441000 | USD | 20201104 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 289808000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 667510000 | USD | 20200805 | Open filing evidence |
Operating Segments · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 823000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 12484000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 1049000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 11208000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 2261000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 10159000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Commercialand Governmental Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:CommercialandGovernmentalElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | 27000000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 27000000 | USD | 20250226 | Open filing evidence |
Commercial Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:CommercialElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 14000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 7000000 | USD | 20260505 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 6000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 18000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 6000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 6000000 | USD | 20260505 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 6000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 20000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 6000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 13000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 7000000 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 6447000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 20257000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 6544000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 13810000 | USD | 20240807 | Open filing evidence |
Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:ElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 27000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 15000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 33000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 11000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 24000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 13000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 49000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 10000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 35000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 11000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 25000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 14000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9700000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 34934000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11023000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25234000 | USD | 20240807 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 46000000 | USD | 20250226 | Open filing evidence |
Industrial Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:IndustrialElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
Other Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:OtherElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
Public Streetand Highway Lighting Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:PublicStreetandHighwayLightingElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 67000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 192000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 61000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 125000 | USD | 20240807 | Open filing evidence |
Residential Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:ResidentialElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 5000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 13000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 8000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 22000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 15000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 5000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 7000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 22000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 4000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 15000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 12000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 7000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 20000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3186000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14485000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4418000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 11299000 | USD | 20240807 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 20000000 | USD | 20250226 | Open filing evidence |
Retail Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:RetailElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 27000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 15000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 33000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 11000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 24000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 13000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 49000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 10000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 35000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 11000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 25000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 14000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9700000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 34934000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11023000 | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25234000 | USD | 20240807 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 46000000 | USD | 20250226 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 9526000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 32747000 | USD | 20231101 | Open filing evidence |
Transmission Electric · Alaska Electric Light Power
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=ava:TransmissionElectricMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260505 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250806 | Open filing evidence |
Alternative Revenue Programs · Avista Utilities
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:AlternativeRevenueProgramsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 5513000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | -13525000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | -19038000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | -33357000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | -5850000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | -28420000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | -5793000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | -22570000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | -16777000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | -6635000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | -10499000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | -13069000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | -3069000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | -2570000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 499000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | -3814000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -4413000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 9614000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 6038000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 11105000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 9725000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 5067000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Alternative Revenue Programs · Avista Utility
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:AlternativeRevenueProgramsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 3069000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2570000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 4362000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -51000 | USD | 20210804 | Open filing evidence |
Derivative Revenues · Avista Utilities
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:DerivativeRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 66580000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 63518000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | -3062000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 286309000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 76248000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 218024000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 84403000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 141776000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 57373000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 152590000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 28087000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 91151000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 28083000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 63064000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 34981000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 110313000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 31075000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 118741000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 33372000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 99628000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 42128000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 66255000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Derivative Revenues · Avista Utility
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:DerivativeRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 28087000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 91151000 | USD | 20211103 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 28083000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 63064000 | USD | 20210804 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 24075000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 79361000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 24211000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 55285000 | USD | 20210804 | Open filing evidence |
Other Revenues · Corporate And Other
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:OtherRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 148000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 337000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 255000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1078000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 309000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1198000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 318000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 806000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 237000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 488000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Other Utility Revenues · Alaska Electric Light Power
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 124000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 676000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 151000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 514000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 363000 | USD | 2019-08-07 · 00:52:05.000Z | Open filing evidence |
Other Utility Revenues · Alaska Electric Light Powers
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 130000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 327000 | USD | 20211103 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 66000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 257000 | USD | 20211103 | Open filing evidence |
Other Utility Revenues · Avista Utilities
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 2154000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 5204000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 3050000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 10629000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 2113000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 7166000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 2483000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 5053000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 2570000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 10156000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 2531000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 7348000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 2239000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 4817000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 2578000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 7888000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1521000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 10884000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 1914000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 7550000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Other Utility Revenues · Avista Utility
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 2239000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 4817000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 2281000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 3801000 | USD | 20210804 | Open filing evidence |
Provisionfor Rate Refunds · Alaska Electric Light Power
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | -48000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | -190000 | USD | 2020-02-26 · 00:10:41.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -48000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -143000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Provisionfor Rate Refunds · Alaska Electric Light Powers
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | -48000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | -143000 | USD | 20211103 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 48000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 95000 | USD | 20210804 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | -48000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | -143000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | -47000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -95000 | USD | 20210804 | Open filing evidence |
Provisionfor Rate Refunds · Avista Utilities
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 228000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 645000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 417000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 207000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | -156000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | -25000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | -500000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | -131000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 369000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2984000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | -156000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2664000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | -369000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2820000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 3189000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 5335000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -2606000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 4509000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -927000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 3720000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Provisionfor Rate Refunds · Avista Utility
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 369000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2820000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 2080000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -525000 | USD | 20210804 | Open filing evidence |
Revenuefrom Contractswith Customers · Alaska Electric Light Power
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 12126000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 7687000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 27043000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Revenuefrom Contractswith Customers · Avista Utilities
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 351628000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 234534000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 820438000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Revenuefrom Contractswith Customers · Avista Utility
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 260676000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 619289000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 235405000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 587034000 | USD | 20210804 | Open filing evidence |
Revenuefrom Contractswith Customers · Corporate And Other
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-03-31 | 514000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 731000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 10402000 | USD | 2019-11-07 · 01:34:53.000Z | Open filing evidence |
Utility Revenue · Alaska Electric Light Power · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=ava:UtilityRevenueMember;us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 10547000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23368000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9997000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22199000 | USD | 20210804 | Open filing evidence |
Utility Revenue · Avista Utilities · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=ava:UtilityRevenueMember;us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 287560000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 645545000 | USD | 20210804 | Open filing evidence |
Alaska Electric Light Power
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 12000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 27000000 | USD | 20260803 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 15000000 | USD | 20260505 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 47000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 20251105 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 33000000 | USD | 20251105 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 11000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 24000000 | USD | 20260803 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 13000000 | USD | 20260505 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 49000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 10000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 35000000 Restated | USD | 20251105 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 11000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 25000000 Restated | USD | 20250806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 14000000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 47000000 Restated | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9700000 | USD | 20241106 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 34934000 | USD | 20241106 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 11023000 Restated | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25234000 Restated | USD | 20240807 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14211000 Restated | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 46000000 Restated | USD | 20250226 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 9526000 Restated | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 32747000 Restated | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 9906000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 22960000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 13054000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45051000 Restated | USD | 20240221 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 9147000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 32515000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 10547000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23368000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12821000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 42809000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 8815000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 31014000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9998000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22200000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 12202000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 37265000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 7790000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 27414000 | USD | 20201104 | Open filing evidence |
Alaska Electric Light Power · Commercialand Governmental Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:CommercialandGovernmentalElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 25000000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 27000000 | USD | 20250226 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 27000000 Restated | USD | 20260225 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 26000000 Restated | USD | 20250226 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 25861000 | USD | 20240221 | Open filing evidence |
Alaska Electric Light Power · Commercial Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:CommercialElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 7082000 | USD | 20240501 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 6447000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 20257000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 7266000 | USD | 20240501 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 6339000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 18824000 | USD | 20231101 | Open filing evidence |
Alaska Electric Light Power · Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 14302000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 47525000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9700000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 34934000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14211000 | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 45703000 | USD | 20240221 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 9526000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 32747000 | USD | 20231101 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45051000 | USD | 20240221 | Open filing evidence |
Alaska Electric Light Power · Public Streetand Highway Lighting Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:PublicStreetandHighwayLightingElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 66000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 267000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 67000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 192000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 64000 | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 254000 | USD | 20240221 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 64000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 183000 | USD | 20231101 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 250000 | USD | 20240221 | Open filing evidence |
Alaska Electric Light Power · Residential Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:ResidentialElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 7154000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 20232000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3186000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14485000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 6881000 | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 19667000 | USD | 20240221 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 3123000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 13740000 | USD | 20231101 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 18940000 | USD | 20240221 | Open filing evidence |
Alaska Electric Light Power · Retail Electric
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:MajorCustomersAxis=ava:RetailElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 14302000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 47525000 | USD | 20240221 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14211000 | USD | 20240501 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 45703000 | USD | 20240221 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45051000 | USD | 20240221 | Open filing evidence |
Alaska Electric Light Power · Other Utility Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 171000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 323000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 152000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 615000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 160000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 464000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 157000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 304000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 147000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 505000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 130000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 327000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 108000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 197000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 89000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 375000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 66000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 257000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 67000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 191000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 676000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 151000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 514000 | USD | 20201104 | Open filing evidence |
Alaska Electric Light Power · Provisionfor Rate Refunds
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | -614000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | -49000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | -614000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | -517000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | -565000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | -48000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | -190000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | -48000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | -143000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | -48000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | -95000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | -47000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | -190000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | -48000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | -143000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | -47000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -95000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | -190000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -48000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -143000 | USD | 20201104 | Open filing evidence |
Alaska Electric Light Power · Revenuefrom Contractswith Customers
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowerMember;srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 11023000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25234000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 14211000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 45703000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 9526000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 32747000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 10266000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 23221000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 12955000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 45051000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 9065000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 32331000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 10487000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23266000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12779000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 42624000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 8797000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 30900000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9978000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22104000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 36779000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 7687000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 27043000 | USD | 20201104 | Open filing evidence |
Alaska Electric Light Powers
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 9147000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 32515000 | USD | 20211103 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 10547000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23368000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12821000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 8815000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 31014000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9998000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22200000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 12202000 | USD | 20210505 | Open filing evidence |
Alaska Electric Light Powers · Other Utility Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember;srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 108000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 197000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 89000 | USD | 20210505 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 67000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 191000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 124000 | USD | 20210505 | Open filing evidence |
Alaska Electric Light Powers · Provisionfor Rate Refunds
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember;srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-03-31 | -47000 | USD | 20210505 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -48000 | USD | 20210505 | Open filing evidence |
Alaska Electric Light Powers · Revenuefrom Contractswith Customers
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AlaskaElectricLightPowersMember;srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 9065000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 32331000 | USD | 20211103 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 10487000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 23266000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12779000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 8797000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 30900000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 9978000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 22104000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 12126000 | USD | 20210505 | Open filing evidence |
Avista Utilities
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 368604000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 828746000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 460142000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1663815000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 349655000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1167042000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 368515000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 817387000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 448872000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1392999000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 286752000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 974172000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 287560000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 687420000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 399860000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1277468000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 263564000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 909109000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 268339000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 645544000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 377205000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1295873000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 274931000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 942441000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Operating Segments · Utility Revenue
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 1663815000 | USD | 20240221 | Open filing evidence |
Avista Utilities · Alternative Revenue Programs
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:AlternativeRevenueProgramsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | -3814000 | USD | 20210224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | -3972000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | -4023000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 4362000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -51000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 9614000 | USD | 20210224 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 6038000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 11105000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Derivative Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:DerivativeRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 110313000 | USD | 20210224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 24075000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 79361000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 24211000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 55285000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 118741000 | USD | 20210224 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 33372000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 99628000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Other Utility Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 7888000 | USD | 20210224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1683000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 5484000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 2281000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 3801000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 10884000 | USD | 20210224 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 1914000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 7550000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Provisionfor Rate Refunds
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 5335000 | USD | 20210224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1742000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1216000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 2080000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | -525000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 4509000 | USD | 20210224 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -927000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 3720000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Revenuefrom Contractswith Customers
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 294129000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 772904000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 478775000 | USD | 20230503 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1400027000 | USD | 20230222 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 276988000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 970247000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 287922000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 693259000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 405337000 | USD | 20230503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1233904000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 266789000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 886078000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 260676000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 619289000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 358613000 | USD | 20220504 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1157746000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 240036000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 827071000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 235405000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 587034000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1152125000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 234534000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 820438000 | USD | 20201104 | Open filing evidence |
Avista Utilities · Utility Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilitiesMember;srt:ProductOrServiceAxis=ava:UtilityRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-06-30 | 687420000 | USD | 20210804 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 268340000 | USD | 20210804 | Open filing evidence |
Avista Utility
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 286752000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 974172000 | USD | 20211103 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 287560000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 687420000 | USD | 20210804 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 399860000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 263564000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 909109000 | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 268339000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 645544000 | USD | 20210804 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 377205000 | USD | 20210505 | Open filing evidence |
Avista Utility · Alternative Revenue Programs
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember;srt:ProductOrServiceAxis=ava:AlternativeRevenueProgramsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | -10499000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | -13069000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 499000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | -3972000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | -4023000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -4413000 | USD | 20210505 | Open filing evidence |
Avista Utility · Derivative Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember;srt:ProductOrServiceAxis=ava:DerivativeRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-03-31 | 34981000 | USD | 20210505 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 31075000 | USD | 20210505 | Open filing evidence |
Avista Utility · Other Utility Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember;srt:ProductOrServiceAxis=ava:OtherUtilityRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 2531000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 7348000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 2578000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1683000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 5484000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1521000 | USD | 20210505 | Open filing evidence |
Avista Utility · Provisionfor Rate Refunds
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember;srt:ProductOrServiceAxis=ava:ProvisionforRateRefundsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | -156000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2664000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 3189000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1742000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1216000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -2606000 | USD | 20210505 | Open filing evidence |
Avista Utility · Revenuefrom Contractswith Customers
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=ava:AvistaUtilityMember;srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 266789000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 886078000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 358613000 | USD | 20210505 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 240036000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 827071000 | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 351628000 | USD | 20210505 | Open filing evidence |
Corporate And Other
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 688000 | USD | 20230222 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 571000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1614000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 267000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1345000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 255000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1078000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 823000 | USD | 2020-05-07 · 22:24:11.000Z | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 12484000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 1049000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 11208000 | USD | 20201104 | Open filing evidence |
Corporate And Other · Other Non Utility Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;srt:ProductOrServiceAxis=ava:OtherNonUtilityRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 139000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 265000 | USD | 20230802 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 126000 | USD | 20230503 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 154000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 419000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 145000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 265000 | USD | 20230802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 120000 | USD | 20230503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 108000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 445000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 148000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 337000 | USD | 20220803 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 189000 | USD | 20220504 | Open filing evidence |
Corporate And Other · Other Revenues
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;srt:ProductOrServiceAxis=ava:OtherRevenuesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 688000 | USD | 20230222 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 569000 | USD | 20230222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 108000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 445000 | USD | 20211103 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 189000 | USD | 20210505 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1050000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 267000 Restated | USD | 20211103 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1345000 Restated | USD | 20211103 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 251000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 560000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 823000 | USD | 20210505 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 1198000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 318000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 806000 | USD | 20201104 | Open filing evidence |
Corporate And Other · Revenuefrom Contractswith Customers
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;srt:ProductOrServiceAxis=ava:RevenuefromContractswithCustomersMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 2000 | USD | 20230222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 564000 | USD | 20230222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 3000 | USD | 20201104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 521000 | USD | 20201104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 4000 | USD | 20200805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 518000 | USD | 20200805 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 11286000 | USD | 20220223 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 731000 | USD | 20201104 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 10402000 | USD | 20201104 | Open filing evidence |