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December 22, 2025

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.
Cascadia Innovation Corridor
Western Governors Talk Climate Change
The governors of Washington, Oregon and California and the premier of British Columbia discussed the need for cross-border efforts to address climate change.
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WECC Forum Elicits Hopes, Fears About Future of Electric Sector
At its first in-person gathering since the onset the pandemic, WECC convened a forum to learn what keeps members up at night when they think of the future.
UCLA
University of California System Pursues Hydrogen Blending
The University of California in Los Angeles and San Diego are pursuing projects to demonstrate the effects of mixing up to 20% hydrogen with natural gas.
Cal Fire
Utilities File Incident Reports in Latest California Wildfires
PG&E and Southern California Edison have filed incident reports with the California PUC related to the two largest wildfires burning in the state.
CEC
California Lays Groundwork for NEVI Solicitations
California agencies will start soliciting applications early next year from private entities seeking a share of National Electric Vehicle Infrastructure funds.
CAISO
California Runs on Fumes but Avoids Blackouts
CAISO came dangerously close to ordering rotating outages Tuesdas demand hit a record high, but it managed to scrape by thanks to conservation efforts.
National Weather Service
CAISO Warns of Outages amid Record Heat
CAISO CEO Elliot Mainzer warned that this week poses the greatest risk of rolling outages this summer as record heat engulfs large parts of California.
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CAISO Stakeholders Weigh EDAM Proposal
CAISO stakeholders commented on elements of the revised straw proposal to add an extended day-ahead market to the Western Energy Imbalance Market.
Shutterstock
FERC OKs CAISO Interconnection Updates
FERC approved CAISO's proposed changes to its generator interconnection process meant to speed the process and enhance grid reliability.
Shutterstock
CARB: ACC II PHEV Provision Designed to Drive ZEV Adoption
With a provision for PHEVs, California’s Advanced Clean Cars II regulations won’t completely eliminate internal combustion engines in new vehicles.

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