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.
CAISO’s Western Energy Imbalance Market yielded members $418.82 million in economic benefits during the first three months of 2023, a first-quarter record.
A bill to strengthen the IRP process for Nevada utilities and require them to increase their energy independence has emerged late in the legislature’s session.
FERC approved changes to WEIM's resource sufficiency evaluation, including allowing transfers to members that fail to meet their RSE obligations.
Minesweeper, CC BY-SA 3.0, via Wikimedia Commons
FERC approves Pacific Gas and Electric’s transaction to spin off its non-nuclear generation — more than 5,000 MW — to new subsidiary Pacific Generation.
The bill to accelerate development of new transmission lines passed the state Senate on a vote of 36-0 and is now headed for the lower house.
Western regulators heard from a power panel of CEOs on maintaining grid reliability in the face of fires, storms, extreme heat and supply chain disruptions.
California Gov. Gavin Newsom has bold words for transitioning to clean energy, including on permitting, but his plan lacks some specifics.
The BLM’s record of decision for Pattern Energy’s SunZia transmission line was also the final major approval needed for SouthWestern Power Group’s RioSol line.
FERC approved settlements with two demand response aggregators for allegedly bidding more resources than they could provide to CAISO’s market.
In approving a water quality certificate for a pumped storage project along the Columbia, Washington sparked protests from area tribes and some environmental groups.
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