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 is nearing completion of a cost allocation plan describing how to allocate building and operating transmission costs in an expanded balancing area.
FERC OK'd the CAISO plan to temporarily alter its market rules in response to natural gas pipeline restrictions stemming from the closure of the Aliso Canyon storage facility.
New generation and a rebound in hydroelectric capacity means healthy operating reserve margins for California this summer.
FERC upheld a decision that prohibits two companies’ generating units from offering energy into the Western EIM at prices above default energy bids.
The prevailing opinion at the Infocast California Energy Summit was that solar is the generation of choice now in the state.
The expanded western EIM provided California a new outlet for surplus renewables, according to CAISO.
CAISO’s Board of Governors approved an ISO plan to temporarily alter market operations in response to the Aliso Canyon shutdown.
CAISO stakeholders expressed misgivings and confusion about a new issue paper exploring contingency modeling.
PacifiCorp says future participants in the CAISO EIM forum will benefit from early lessons the company learned attempting to integrate.
Idaho Power signed an agreement with CAISO to become the sixth utility to join the western Energy Imbalance Market.
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