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March 10, 2026

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.
National Park Service
California Governor Signs Climate, Wildfire, Energy Bills
Gov. Gavin Newsom stood in the smoke of Sequoia National Park on Thursday to discuss the $15 billion California is spending on climate resilience.
© RTO Insider LLC
Oregon RTO Committee Ponders Paths to Regionalization
A meeting to hash out an upcoming Oregon study on RTO membership turned to how the state’s participation might fit into other developments in the West.
CARB
CARB Seeks to Mitigate GHGs from Extreme Events
California air quality regulators are devising a program to lower increased emissions that may occur as the state tries to meet energy demand during severe weather.
General Electric
FERC OKs CAISO Emergency Interconnection
FERC approved an interconnection waiver requested by CAISO for two 30-MW generating units needed for reliability.
Shutterstock
OSW, GHG Bills Go to California Governor
Bills sent to Gov. Gavin Newsom include measures on offshore wind planning and controlling GHG emissions from cement manufacturing.
CAISO
WAPA Desert Southwest Region to Join Western EIM
WAPA's Desert Southwest Region said it plans to join CAISO's Western Energy Imbalance Market, further splitting the PMA's regions between the ISO and SPP.
Primoris Services Corp.
Flexible Ramping Grows as Ancillary Service
RTOs and ISOs described their strategies for using quick ramping products to offset weather-dependent renewable resources at a FERC conference Tuesday.
San Francisco Clean Cities Coali
Spread of California Hydrogen Stations Should Fuel FCEV Growth
Development of hydrogen-fueling stations in California is accelerating; car manufacturers should consider ramping up production of FCEVs, new report says.
CAISO
Western EIM Approves ‘Sub-entity’ Participation
The WEIM approved participation by utilities within an entity's balancing authority area — a move intended to convince Xcel Energy Colorado to join the market.
Union of Concerned Scientists
DOE Orders CAISO Emergency Reliability Measures
CAISO asked the Department of Energy to allow six gas generators to operate for grid reliability while potentially exceeding pollution limits.

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