The model covers CAISO and 10 neighboring balancing authorities

Modeled balancing authorities in WECC

CAISO (three model zones)
Other modeled balancing authorities
Other WECC balancing authorities
Puget Sound Energy, Inc. (PSEI): not modeledPUD No. 1 of Chelan County (CHPD): not modeledPUD No. 1 of Douglas County (DOPD): not modeledPUD No. 2 of Grant County (GCPD): not modeledSeattle City Light (SCL): not modeledCity of Tacoma, Department of Public Utilities (TPWR): not modeledAvista Corporation (AVA): not modeledIdaho Power Company (IPCO): not modeledTurlock Irrigation District (TIDC): not modeledNorthWestern Energy (NWMT): not modeledWester Area Power Administration, Upper Great Plains West (WAUW): not modeledPacifiCorp East (PACE): not modeledWestern Area Power Administration, Colorado-Missouri Region (WACM): not modeledPublic Service Company of Colorado (PSCO): not modeledPublic Service Company of New Mexico (PNM): not modeledEl Paso Electric Company (EPE): not modeledTucson Electric Power Company (TEPC): not modeledNaturEner Wind Watch, LLC (WWA): not modeledNaturEner Power Watch, LLC (GWA): not modeledAvanGrid Renewables (AVRN): not modeledGriffith Energy, LLC (GRIF): not modeledNew Harquahala Generating Company, LLC (HGMA): not modeledArlington Valley, LLC (AVBA): not modeledGridforce Energy Management, LLC (GRID): not modeledPacifiCorp West (PACW): modeledBonneville power Administration-Transmission (BPAT): modeledPortland General Electric Company (PGE): modeledBalancing Authority of Northern California (BANC): modeledLos Angeles Department of Water and Power (LDWP): modeledImperial Irrigation District (IID): modeledNevada Power Company (NEVP): modeledWestern Area Power Administration, Lower Colorado Region (WALC): modeledArizona Public Service Company (AZPS): modeledSalt River Project (SRP): modeledCAISO: modeled as the PG&E, SCE and SDG&E zonesPACWBPATPGEBANCLDWPIIDNEVPWALCAZPSSRPCAISO

Source: HIFLD, US Census Bureau, Modo Energy

Note: CAISO is modeled as three zones: PG&E, SCE and SDG&E. Boundaries are approximate service territories.

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