CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther 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.
A virtual power plant program with an indeterminate future set a record in 2025 for the capacity the plant contributed to California's electricity grid.
State regulators approved an accounting order for Public Service Company of New Mexico’s participation in CAISO’s Extended Day-Ahead Market, in a case that rekindled the debate over which day-ahead market PNM should choose.
The Northwest faces a “pretty scary” situation, with a new study showing a potential 9-GW capacity shortfall by 2030, increased energy prices and building constraints, PNGC Power's CEO said.
FERC approved PG&E’s request to recover more than $600,000 in costs for an abandoned battery plant in California.
The Colorado PUC issued a split decision approving Public Service Company of Colorado’s application to join SPP’s Markets+, finding that market participation is in the public interest and will “provide a number of benefits.”
Construction of new wind, solar and energy storage facilities will decrease significantly over the next five years, a BloombergNEF analyst said in an presentation to the California Energy Commission.
The Western Power Pool’s Board of Directors denied PacifiCorp’s request to postpone the deadline by which Western Resource Adequacy Program participants must commit to the first “binding” phase of the program.
FERC Commissioners Judy Chang and Lindsay See endorsed a letter by Chair David Rosner on the sharing of best practices around load forecasting in light of growing demand driven by data centers.
Southern California faces an above-normal chance of a significant wildfire in the coming months, less than one year after fires burned the Los Angeles region.
A California PUC judge has proposed the commission order an additional 6 GW of capacity for the state between 2029 and 2032 to get ahead of disappearing federal tax credits and loans for renewable energy resources.
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