CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther 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.
The EIM Governing Body elected Jennifer Gardner to replace retiring member Carl Linvill and appointed Anita Decker as its new chair.
In a rare move, CAISO will use its capacity procurement mechanism to obtain more resources after other measures fell short, threatening summer blackouts.
FERC approved CAISO's controversial rule changes on wheel-throughs, intended to ensure the ISO has adequate capacity this summer.
Oregon lawmakers approved a bill requiring major utilities to rely solely on clean energy in 2040, making the West Coast carbon-free by midcentury.
Thousands of customers of Avista Utilities lost power during a record-smashing heat wave when the utility ordered rolling blackouts in Spokane, Wash.
CARB board members sounded off on a scoping plan that will serve as a roadmap for the state to reach net-zero greenhouse gas emissions by 2045.
A drought in the West is cutting into hydropower supplies needed for summer reliability, especially in California, panelists in a USEA briefing said.
The California PUC ordered an additional 11.5 GW of procurement by mid-decade but backpedaled on a plan to include up to 1,500 MW of fossil fuel generation in the mix.
Gov. Jared Polis signed Senate Bill 72, an infrastructure and transmission bill that would require utilities with transmission facilities to join an RTO.
FERC Chairman Richard Glick says "the time is right for the states, the region’s utilities and other key stakeholders" to form one or more Western RTOs.
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