CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)Other CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing Body
The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
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Future historians of the U.S. electricity sector one day might conclude the development of an RTO in the West hinged on two separate but interrelated events occurring on one day in July 2023.
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CAISO marked a key milestone in its Western expansion efforts after FERC approved nearly every aspect of its proposed Extended Day-Ahead Market.
Westside Governance Pathways Initiative
The group working to establish a single Western RTO heard summaries of five potential options for a new governing body that could be independent of CAISO.
PG&E
The California PUC approved extending operations at the Diablo Canyon nuclear power plant through 2030.
CAISO
CAISO's Department of Market Monitoring explained that self-scheduled exports to support stressful conditions led to the declaration of emergency alerts in July.
CAISO
CAISO staff and stakeholders again dove into the details of the ISO’s resource adequacy construct, including potentially creating year-ahead requirements and refining the existing capacity procurement mechanism.
TransCanyon LLC
The proposed Cross-Tie transmission project is moving through the federal approval process with a targeted in-service date in 2027.
BC Hydro
CAISO’s net energy exports have increased sharply this year, with imports being displaced by increased output from California’s hydroelectric and natural gas resources.
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The Bonneville Power Administration is pulling back from its ambitious schedule for choosing which Western day-ahead market it will join, officials with the federal power marketing administration said during a workshop.
Bureau of Land Management
The Bureau of Land Management is seeking public input on potential changes to about 673 miles of seven designated transmission corridors.
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