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 Western Power Pool approved the tariff for its Western Resource Adequacy Program, readying the first-of-its-kind program for review by FERC.
CAISO's revised plan for a WEIM extended day-ahead market makes changes to transmission requirements and penalties for failing resource sufficiency evaluations.
Andre m, CC BY-SA 3.0, via Wikimedia
The California State Legislature passed a resolution requesting that CAISO report on efforts to create an RTO in the West and its potential benefits.
The California Public Utilities Commission issued a proposed order that would delay for one year any changes to net energy metering for rooftop solar.
The movement to keep PG&E's Diablo Canyon nuclear plant open 10 years past its planned retirement date in 2025 has gained momentum and essential support.
The California Air Resources Board has named Steven Cliff, administrator of the National Highway Traffic Safety Administration, as CARB’s new executive officer.
The mood was almost euphoric as the CEC adopted the nation’s most ambitious long-term offshore wind goals, targeting up to 5 GW by 2030 and 25 GW by 2045.
A proposed massive solar farm is stirring controversy in southeastern Washington, pitting farmers and unions against local officials and the region’s GOP.
Vistra CEO Jim Burke says he remains confident in the company's value proposition, even as it turned in a major second-quarter loss.
A transmission line meant to carry 3,000 MW of Wyoming wind energy to California wants to join CAISO, but the ISO's process is raising concerns.
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