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.
FERC approved a new definition of a “load-serving entity” in CAISO that includes those that purchase wholesale electricity to serve their own needs.
FERC denied the Berkshire Hathaway Energy request to rehear a ruling prohibiting the company’s subsidiaries from selling electricity at market-based rates.
CAISO has kicked off an initiative to explore how it can procure resources equipped to automatically respond to disturbances in grid frequency.
The CAISO Board of Governors approved the membership of GridLiance after their purchase of the Valley Electric Association’s 230-kV transmission network.
The Western Energy Imbalance Market featured prominently in two proposals approved by the CAISO Board of Governors during its Dec. 15 meeting.
The CAISO Board of Governors approved a 2017 budget that includes a $4.3 million increase in spending but no corresponding rise in revenue requirement.
The California PUC ordered Southern California Edison and San Diego Gas & Electric to meet with groups opposed to the commission’s 2014 settlement
Seattle City Light has signed an agreement with CAISO to begin participating in the Western Energy Imbalance Market in April 2019.
CAISO said it will take advantage of a recently approved system reliability measure when Aliso Canyon gas pipeline restrictions constrain output.
Increased transfer capacity is keeping a lid on congestion in the EIM and limiting participants’ ability to wield market power, according to CAISO’s IMM.
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