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 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.
CAISO declared an EEA watch for a second straight day, citing “uncertainty” about energy supply and load forecasts, transmission constraints and high electricity demand in the Western U.S.
Utility regulators from Oregon and California discussed their proposal for a new independent RTO covering the entire West for the first time publicly.
CAISO issued its first energy emergency alert of the summer after falling short on ramping capacity as solar output rolled off its system.
CAISO’s Western Energy Imbalance Market took the unusual step of rescinding a rule change that it never actually implemented.
The CAISO board approved a proposal that will allow transmission projects outside California to join the ISO under a new subscriber-funded model that avoids allocating costs to ISO load-serving entities.
The competition for organized markets in the West grew Friday as the Bonneville Power Administration launched a process to choose between day-ahead markets proposed by CAISO and SPP and regulators from five Western states urged the establishment of a new, independent RTO covering the entire West.
A new Berkeley Lab report weighs the benefits of storage versus transmission for wind and solar projects.
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