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 Market Monitor cautioned that a new resource adequacy proposal could lead to strategic gaming in the ISO’s market when capacity supplies are tight on the grid.
Utilities face significant forecasting risks from large loads, prompting the industry to develop various strategies to eliminate speculative projects, experts said during a Western Interstate Energy Board webinar.
The Bonneville Power Administration has entered a five-year power purchase agreement to buy wave energy from a test facility managed by Oregon State University, the agency said in an announcement.
The California Public Utilities Commission is preparing to overhaul its demand response programs, policies and data systems to ensure uniform DR standards statewide and better position the Golden State to meet its energy policy and emissions goals.
CAISO is finalizing a set of changes to its resource adequacy program, with plans to vote on three proposals at an upcoming Board of Governors meeting,
With California passing the bill designed to transition the governance of CAISO’s markets to an independent regional organization, new challenges await the West-Wide Governance Pathways Initiative as the coalition seeks to turn a once-elusive goal into reality.
The Pacific Northwest is on track to meet energy efficiency goals set in the Northwest Power and Conservation Council’s 2021 power plan after having saved 160 aMW through improvements in 2024, the council said in a news release.
Western Energy Imbalance Market prices increased sharply in the second quarter of 2025 compared with the same period in 2024, mostly due to higher natural gas prices at Western hubs.
The Northwest Power and Conservation Council provided additional details on how its ninth power plan will consider new federal policies that could impact the buildout of new resources and transmission.
Controlled Thermal Resources has a new collaborator for its 500-MW geothermal energy plant in California’s Lithium Valley, where it is eyeing co-location of manufacturing or data centers.
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