CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)Other 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 gas resource management working group is exploring challenges related to participation in ISO-run markets.
CAISO asked FERC to approve the rules for its EDAM and revisions to its existing day-ahead market, intended to more accurately forecast load.
The California PUC adopted a settlement over the massive natural gas leak at the Aliso Canyon Natural Gas Storage Facility in 2015 that includes a $71 million penalty against Southern California Gas.
States, RTOs and others warned DOE not to let transmission developers dominate the development of National Interest Electric Transmission Corridors.
While some stakeholders are ‘charmed’ by SPP’s market initiative effort, others urge need for deeper tie to CAISO.
The Western Energy Imbalance Market topped $4 billion in cumulative benefits in the second quarter of 2023, just six months after it topped the $3 billion mark.
FERC accepted CAISO's proposed tariff revisions following record-breaking numbers of interconnection requests in 2021 and 2023.
The Bonneville Power Administration said it would keep its power and transmission rates flat for the next two years, even as it pursues a $2 billion grid modernization effort.
Developing transmission in the West should involve a long-term, comprehensive plan instead of a localized piecemeal approach, speakers agreed at a Western States Transmission Initiative webinar.
CalCCA is asking California regulators to reconsider a decision that blocks CCAs from expanding if they have had resource adequacy deficiencies in the past two years.
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