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.
CAISO
CAISO’s first-quarter benefits report offers another footnote to the debate over the market’s role in the response to the January deep freeze that brought parts of the Northwest to the brink of rolling blackouts.
PacifiCorp
Although PacifiCorp formally committed to joining CAISO’s Extended Day-Ahead Market, the utility is still voicing concerns about a competing day-ahead market, SPP’s Markets+, in a FERC filing.
American Nuclear Society
PG&E's plans to extend the life of the Diablo Canyon nuclear power plant through 2030 remain on track after a federal appellate court rejected environmental groups’ petition challenging an exemption to the license application deadline.
PacifiCorp
PacifiCorp said it will sign an implementation agreement to join CAISO’s EDAM, making it the first entity to formally commit to either of the two day-ahead markets being offered in the West.
Sandia National Laboratories
FERC approved CAISO’s request to increase its capacity procurement mechanism soft offer cap from $6.31 per kW-month to $7.34.
© RTO Insider LLC
Western Resource Adequacy Program participants still strongly support the program despite recently appealing to delay its “binding” penalty phase by one year due to concerns about capacity shortages, WPP's Sarah Edmonds said.
Gridwell Consulting
Congestion revenue rights auctions averaged $62 million in losses between 2019 and 2023, down nearly $50 million since changes were implemented in 2019 but “still very high,” said CAISO’s Department of Market Monitoring.
Western Power Pool
Citing “significant new headwinds” to securing energy resources, participants in the Western Resource Adequacy Program are seeking to delay the program’s “binding” penalty phase by one year, to summer 2027.
West-Wide Governance Pathways Initiative
Reps from two groups that blocked past efforts to “regionalize” CAISO predict success for an upcoming campaign to change California law to allow the ISO to participate in an independent RTO.
West-Wide Governance Pathways Initiative
The West-Wide Governance Pathways Initiative applied for the money in January in response to a DOE Funding Opportunity Announcement, seeking two tranches of $400,000 each to be disbursed over two years to help support the effort build an independent Western RTO.
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