Regions
NameTypeStatesDescriptionParent Region
PJM-RTORTODC, DE, IL, IN, KY, MD, MI, NC, NJ, OH, PA, TN, VA, WVPJM InterconnectionN/A
MIDATLRegionDC, DE, MD, NJ, PAPJM Mid-Atlantic Region/CZPJM-RTO
WESTERNRegionIL, IN, KY, MD, MI, OH, PA, TN, VA, WVPJM Western RegionPJM-RTO
SOUTHERNRegionNC, VAPJM Southern RegionPJM-RTO
AECOTransmission ZoneNJAtlantic City Electric (Exelon)MIDATL
AECO_ENGLANDDemand ResponseNJSee Load Management Subzone zip code definitions within the Demand Response section of pjm.com: http://www.pjm.com/markets-and-operations/demand-response.aspxMIDATL
AEPControl AreaIN, KY, MI, OH, TN, VA, WVAEP: AEP Ohio, Appalachian Power, Indiana Michigan Power & Kentucky PowerWESTERN
BGETransmission ZoneMDBGE (Exelon)MIDATL
COMEDControl AreaILComEd (Exelon)WESTERN
CPPControl AreaOHCleveland Public PowerWESTERN
DAYControl AreaOHFormer Dayton Power & Light Company: DP&LWESTERN
DPLTransmission ZoneDE, MDDelmarva Power (Exelon)MIDATL
DEOKControl AreaKY, OHDuke Energy: Duke Energy Ohio & Duke Energy KentuckyWESTERN
DOMControl AreaNC, VADominion Virginia PowerSOUTHERN
DOM_CHESDemand ResponseVASee Load Management Subzone zip code definitions within the Demand Response section of pjm.com: http://www.pjm.com/markets-and-operations/demand-response.aspxSOUTHERN
DOM_YORKTOWNDemand ResponseVASee Load Management Subzone zip code definitions within the Demand Response section of pjm.com: http://www.pjm.com/markets-and-operations/demand-response.aspxSOUTHERN
DUQControl AreaPADuquesne Light CompanyWESTERN
EKPCControl AreaKYEast Kentucky Power CooperativeWESTERN
FE-APControl AreaMD, PA, VA, WVFormer AP: West Penn Power, Mon Power, Potomac Edison/TrAIL Co VA Transmission Zone & Potomac Edison (FirstEnergy; FE-South)WESTERN
FE-AP_EASTDemand ResponseMD, PA, VA, WVSee Load Management Subzone zip code definitions within the Demand Response section of pjm.com: http://www.pjm.com/markets-and-operations/demand-response.aspxWESTERN
FE-ATSIControl AreaOHFormer ATSI: Penn Power, Ohio Edison, The Illuminating Company & Toledo Edison (FirstEnergy; FE-West)WESTERN
FE-JCTransmission ZoneNJFormer GPU: Jersey Central Power & Light (FirstEnergy; FE-East)MIDATL
FE-JC_REDBANKDemand ResponseNJSee Load Management Subzone zip code definitions within the Demand Response section of pjm.com: http://www.pjm.com/markets-and-operations/demand-response.aspxMIDATL
FE-METransmission ZonePAFormer GPU: Met-Ed (FirstEnergy; FE-East)MIDATL
FE-PNTransmission ZonePAFormer GPU: Penelec (FirstEnergy; FE-East)MIDATL
ITCITransmission ZoneMIITC Interconnection LLC (ITCI)WESTERN
PECOTransmission ZonePAPECO (Exelon)MIDATL
PEPCOTransmission ZoneDC, MDPEPCO (Exelon)MIDATL
PPLTransmission ZonePAPPL Electric UtilitiesMIDATL
PSEGTransmission ZoneNJPSE&G (PSEG)MIDATL
RECOTransmission ZoneNJOrange & Rockland: Rockland Electric CompanyMIDATL
RMUTransmission ZoneILRochelle Municipal Utilities, City of RochelleWESTERN
SMECOTransmission ZoneMDSouthern Maryland Electric CooperativeMIDATL
UGITransmission ZonePAUGI Electric ServiceMIDATL
PJM TEST GRBControl AreaTest Company for PJM use.N/A