Segment disclosures

Company overview

Evergy, Inc.

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

Revenue · Reported segment facts

27 dimension combinations 54 retained observations 1 reported periods

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.

KCPL · Electric Utility Customer Class Commercial · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassCommercialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30196300000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30378100000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Industrial · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3034100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-3066300000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Industrial Steam · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialSteamMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-302300000 USD20180808Open filing evidence
2018-01-01 – 2018-06-302300000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Other Retail · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassOtherRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-302300000 USD20180808Open filing evidence
2018-01-01 – 2018-06-305000000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Residential · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassResidentialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30187000000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30341900000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Total Electric Retail · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTotalElectricRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30419700000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30791300000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Transmission · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-303900000 USD20180808Open filing evidence
2018-01-01 – 2018-06-307200000 USD20180808Open filing evidence

KCPL · Electric Utility Customer Class Wholesale · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassWholesaleMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-305500000 USD20180808Open filing evidence
2018-01-01 – 2018-06-308600000 USD20180808Open filing evidence

KCPL · Electric Utility Segment

Legal Entity · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:KCPLMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30431400000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30809400000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Commercial · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassCommercialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30170000000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30325400000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Industrial · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3091800000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30185300000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Industrial Steam · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialSteamMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-301300000 USD20180808Open filing evidence
2018-01-01 – 2018-06-303100000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Other Retail · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassOtherRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-305700000 USD20180808Open filing evidence
2018-01-01 – 2018-06-309900000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Residential · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassResidentialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30221100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30401400000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Total Electric Retail · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTotalElectricRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30488600000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30922000000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Transmission · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3072200000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30144100000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Customer Class Wholesale · Electric Utility Segment

Legal Entity · Major Customers · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassWholesaleMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3087100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30181300000 USD20180808Open filing evidence

Westar Energy Inc · Electric Utility Segment

Legal Entity · Statement Business Segments

Source dimensions dei:LegalEntityAxis=gxp:WestarEnergyIncMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30649200000 USD20180808Open filing evidence
2018-01-01 – 2018-06-301250500000 USD20180808Open filing evidence

Electric Utility Customer Class Commercial · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassCommercialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30259100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30414500000 USD20180808Open filing evidence

Electric Utility Customer Class Industrial · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30108600000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30202100000 USD20180808Open filing evidence

Electric Utility Customer Class Industrial Steam · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassIndustrialSteamMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-302200000 USD20180808Open filing evidence
2018-01-01 – 2018-06-304000000 USD20180808Open filing evidence

Electric Utility Customer Class Other Retail · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassOtherRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-306400000 USD20180808Open filing evidence
2018-01-01 – 2018-06-3010600000 USD20180808Open filing evidence

Electric Utility Customer Class Residential · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassResidentialMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30342000000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30522300000 USD20180808Open filing evidence

Electric Utility Customer Class Total Electric Retail · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTotalElectricRetailMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30716100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-301149500000 USD20180808Open filing evidence

Electric Utility Customer Class Transmission · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3075100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30147000000 USD20180808Open filing evidence

Electric Utility Customer Class Wholesale · Electric Utility Segment

Major Customers · Statement Business Segments

Source dimensions us-gaap:MajorCustomersAxis=gxp:ElectricUtilityCustomerClassWholesaleMember;us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3089700000 USD20180808Open filing evidence
2018-01-01 – 2018-06-30183900000 USD20180808Open filing evidence

Electric Utility Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gxp:ElectricUtilitySegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30883100000 USD20180808Open filing evidence
2018-01-01 – 2018-06-301484400000 USD20180808Open filing evidence