| PJM Interconnection, LLC (PJM) | 879 TWh | 2,465 | 2026-02-28 | DelawareDistrict of ColumbiaIllinoisIndianaKentuckyMarylandMichiganMinnesotaNew JerseyNorth CarolinaOhioPennsylvaniaTennesseeVirginiaWest Virginia |
| Midcontinent Independent System Operator, Inc. (MISO) | 659 TWh | 2,831 | 2026-02-28 | ArkansasIllinoisIndianaIowaKentuckyLouisianaMichiganMinnesotaMississippiMissouriMontanaNorth DakotaSouth DakotaTexasWisconsin |
| Electric Reliability Council of Texas, Inc. (ERCO) | 484 TWh | 1,313 | 2026-02-28 | OklahomaTexas |
| Southwest Power Pool (SWPP) | 300 TWh | 835 | 2026-02-28 | ArkansasColoradoIowaKansasLouisianaMinnesotaMissouriMontanaNebraskaNew MexicoNorth DakotaOklahomaSouth DakotaTexas |
| Southern Company Services, Inc. - Trans (SOCO) | 251 TWh | 417 | 2026-02-28 | AlabamaFloridaGeorgiaMassachusettsMississippi |
| California Independent System Operator (CISO) | 180 TWh | 2,075 | 2026-02-28 | ArizonaCaliforniaNevada |
| Tennessee Valley Authority (TVA) | 162 TWh | 204 | 2026-02-28 | AlabamaGeorgiaKentuckyMississippiNorth CarolinaTennesseeVirginia |
| Florida Power & Light Co. (FPL) | 150 TWh | 187 | 2026-02-28 | Florida |
| New York Independent System Operator (NYIS) | 134 TWh | 1,211 | 2026-02-28 | New JerseyNew York |
| Duke Energy Carolinas (DUK) | 112 TWh | 565 | 2026-02-28 | North CarolinaSouth Carolina |
| ISO New England (ISNE) | 110 TWh | 1,577 | 2026-02-28 | ConnecticutMaineMassachusettsNew HampshireNew YorkRhode IslandVermont |
| Bonneville Power Administration (BPAT) | 85.8 TWh | 163 | 2026-02-28 | IdahoMontanaOregonWashingtonWyoming |
| Duke Energy Progress East (CPLE) | 64.5 TWh | 559 | 2026-02-28 | North CarolinaSouth Carolina |
| PacifiCorp East (PACE) | 60.9 TWh | 216 | 2026-02-28 | ColoradoIdahoMontanaUtahWyoming |
| Salt River Project Agricultural Improvement and Power District (SRP) | 60.2 TWh | 48 | 2026-02-28 | Arizona |
| Duke Energy Florida, Inc. (FPC) | 47.5 TWh | 95 | 2026-02-28 | Florida |
| Public Service Company of Colorado (PSCO) | 46.1 TWh | 210 | 2026-02-28 | Colorado |
| Nevada Power Company (NEVP) | 37.3 TWh | 139 | 2026-02-28 | CaliforniaNevada |
| Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 34.4 TWh | 25 | 2026-02-28 | KentuckyVirginia |
| Western Area Power Administration - Rocky Mountain Region (WACM) | 34.2 TWh | 192 | 2026-02-28 | ColoradoNebraskaNew MexicoNorth DakotaSouth DakotaUtahWyoming |
| Dominion Energy South Carolina, Inc. (SCEG) | 25.6 TWh | 87 | 2026-02-28 | GeorgiaSouth Carolina |
| Arizona Public Service Company (AZPS) | 24.1 TWh | 92 | 2026-02-28 | ArizonaNew Mexico |
| Associated Electric Cooperative, Inc. (AECI) | 24.0 TWh | 47 | 2026-02-28 | ArkansasIowaMissouriOklahoma |
| Tampa Electric Company (TEC) | 20.8 TWh | 59 | 2026-02-28 | Florida |
| South Carolina Public Service Authority (SC) | 18.4 TWh | 34 | 2026-02-28 | South Carolina |
| Florida Municipal Power Pool (FMPP) | 18.3 TWh | 22 | 2026-02-28 | Florida |
| Los Angeles Department of Water and Power (LDWP) | 18.2 TWh | 124 | 2026-02-28 | CaliforniaNevadaUtah |
| NorthWestern Corporation (NWMT) | 17.9 TWh | 69 | 2026-02-28 | MontanaWyoming |
| Gridforce Energy Management, LLC (GRID) | 16.6 TWh | 1 | 2026-02-28 | Oregon |
| Public Service Company of New Mexico (PNM) | 15.4 TWh | 116 | 2026-02-28 | New Mexico |
| Idaho Power Company (IPCO) | 15.1 TWh | 168 | 2026-02-28 | IdahoOregon |
| Seminole Electric Cooperative (SEC) | 14.5 TWh | 5 | 2026-02-28 | Florida |
| Balancing Authority of Northern California (BANC) | 14.4 TWh | 87 | 2026-02-28 | California |
| Tucson Electric Power (TEPC) | 13.6 TWh | 53 | 2026-02-28 | ArizonaNew Mexico |
| Western Area Power Administration - Desert Southwest Region (WALC) | 10.0 TWh | 33 | 2026-02-28 | ArizonaCaliforniaNevada |
| Public Utility District No. 2 of Grant County, Washington (GCPD) | 9.5 TWh | 5 | 2026-02-28 | Washington |
| JEA (JEA) | 9.4 TWh | 22 | 2026-02-28 | Florida |
| Avista Corporation (AVA) | 8.7 TWh | 33 | 2026-02-28 | IdahoMontanaWashington |
| Public Utility District No. 1 of Chelan County (CHPD) | 8.5 TWh | 4 | 2026-02-28 | Washington |
| Avangrid Renewables, LLC (AVRN) | 8.3 TWh | 19 | 2026-02-28 | OregonWashington |
| Portland General Electric Company (PGE) | 7.7 TWh | 108 | 2026-02-28 | OregonWashington |
| PacifiCorp West (PACW) | 7.5 TWh | 136 | 2026-02-28 | CaliforniaOregonWashington |
| El Paso Electric Company (EPE) | 6.8 TWh | 32 | 2026-02-28 | New MexicoTexas |
| Imperial Irrigation District (IID) | 6.4 TWh | 66 | 2026-02-28 | California |
| Seattle City Light (SCL) | 5.7 TWh | 9 | 2026-02-28 | Washington |
| Puget Sound Energy, Inc. (PSEI) | 5.3 TWh | 40 | 2026-02-28 | MontanaWashington |
| Southwestern Power Administration (SPA) | 4.8 TWh | 34 | 2026-02-28 | ArkansasMissouriOklahoma |
| Duke Energy Progress West (CPLW) | 4.3 TWh | 10 | 2026-02-28 | North Carolina |
| PUD No. 1 of Douglas County (DOPD) | 4.0 TWh | 3 | 2026-02-28 | TexasWashington |
| City of Tallahassee (TAL) | 3.2 TWh | 5 | 2026-02-28 | Florida |
| Arlington Valley, LLC (DEAA) | 3.0 TWh | 1 | 2026-02-28 | Arizona |
| City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 2.4 TWh | 9 | 2026-02-28 | Washington |
| Turlock Irrigation District (TIDC) | 2.0 TWh | 11 | 2026-02-28 | California |
| Gainesville Regional Utilities (GVL) | 1.7 TWh | 8 | 2026-02-28 | Florida |
| Southeastern Power Administration (SEPA) | 1.4 TWh | 11 | 2026-02-28 | GeorgiaNorth CarolinaSouth Carolina |
| Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 605 GWh | 4 | 2026-02-28 | North Carolina |
| NaturEner Power Watch, LLC (GWA) | 549 GWh | 2 | 2026-02-28 | Montana |
| Western Area Power Administration - Upper Great Plains West (WAUW) | 389 GWh | 24 | 2026-02-28 | MontanaUtahWyoming |
| NaturEner Wind Watch, LLC (WWA) | 249 GWh | 1 | 2026-02-28 | Montana |
| New Harquahala Generating Company, LLC (HGMA) | 113 GWh | 1 | 2026-02-28 | Arizona |
| City of Homestead (HST) | 34.0 MWh | 1 | 2026-02-28 | |
