CAISO/WEIM

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
TransWest Express to Join CAISO as Tx Owner
TransWest Express, a power line linking Wyoming wind to California, won board approval to participate in CAISO as a transmission owner under a new model.
Southern California Edison
CAISO, WEIM Boards Back Reliability Enhancements
The CAISO Board of Governors and Western Energy Imbalance Market Governing Body adopted resource sufficiency and storage changes to promote summer reliability.
CARB
CARB Approves Plan to Reach Net Zero by 2045
The California Air Resources Board approved a climate change scoping plan that charts a course for the state to achieve carbon neutrality by 2045.
Lion Electric
California Energy Commission Approves $2.9B Clean Transportation Plan
The California Energy Commission approved $2.9 billion in clean-transportation funding through 2026, primarily for charging light- medium- and heavy-duty EVs.
Shutterstock
California PUC Adopts Contested Net Metering Plan
The California Public Utilities Commission adopted reforms to the state's rooftop solar net-metering program after months of controversy.
MeeFog
FERC Restarts Hearing on La Paloma Interconnection Dispute
FERC restarted a hearing in a dispute over an interconnection agreement that would reduce transmission capacity for a 20-year-old gas-fired plant in California.
© RTO Insider LLC
Western RA Program Secures First ‘Binding’ Phase Participants
Nearly a dozen utilities committed to joining the “binding” iteration of the Western Resource Adequacy Program, with more expected to sign on later this month.
Shutterstock
California to Offer $100M in Clean Hydrogen Incentives
California Energy Commission officials are seeking public feedback on the details of upcoming solicitations for incentives for clean hydrogen projects.
WECC
WECC Heat Wave Analysis Evokes Calls for Caution, not Celebration
WECC directors said that Westerners should take cold comfort from the fact that grid operators were able to avert blackouts during a September heat wave.
CAISO
PacifiCorp to Join EDAM, Final Plan Released
CAISO issued its final plan to add a day-ahead market to its real-time Energy Imbalance Market, and PacifiCorp said it would join if the plan is approved.

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