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December 26, 2025

California Independent System Operator (CAISO)

CAISO
CAISO Monitor Provides Details on Q2 Price Spikes
CAISO’s internal Market Monitor provided more details about the extreme day-ahead price spikes occurring over a three-day period in June.
California Microgrid Program Advances
California agencies are finalizing a roadmap for commercializing microgrids in the state, aligning with a $45 million grant funding opportunity.
© RTO Insider
FERC Suspends PG&E Rate Ask, Approves Portland MBRA
FERC issued CAISO-related rulings on PG&E, Portland General Electric and Aliso Canyon.
PacifiCorp Seeks 1,270 MW of New Wind
PacifiCorp is seeking bids for up to 1,270 MW of wind power to integrate into its system by the end of 2020.
PG&E
CAISO Requests FERC Rehear PGE Rate Decision
CAISO and Pacific Gas and Electric have asked FERC to reconsider its decision last month to approve only some of the utility’s requested transmission rate incentives.
California Energy Commission
Metcalf Reliability-Must-Run Draws Scrutiny
CAISO will gather feedback on its proposal for reliability payments to keep Calpine’s Metcalf gas-fired plant from retiring.
Monitor: CAISO Q2 Prices Hit Record Despite Mitigation
California’s scorching heat pushed CAISO day-ahead energy prices to record highs in the second quarter after market mitigation measures unexpectedly failed.
FERC Relieves CAISO of Statewide Plan
FERC approved CAISO’s request to be relieved of its requirement to develop a conceptual statewide plan as part of its regional transmission planning process.
CAISO Load-Shifting Product to Target Energy Storage
CAISO has launched what will be a years-long initiative to develop a program to pay storage resources to absorb excess renewable generation.
CAISO Board Approves RAS Modeling Proposal
The CAISO board approved usage of generator contingency modeling and RAS in the day-ahead and real-time markets.

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