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.
Frequent rule changes and an uncertain market structure are causing dissatisfaction among CAISO demand response providers and eroding participation.
CAISO said it will kick off an initiative to refine its generation interconnection process later this year as part of an effort to accommodate renewables.
FERC staff have accepted CAISO’s implementation agreement for Powerex to join the EIM but cautioned that the arrangement could be subject to further scrutiny.
CAISO was forced to recalculate its 2016 demand response (DR) settlements because of missing data, the ISO told the California Energy Commission.
CAISO dropped a proposal that would have allowed third-party transmission providers to participate in the EIM after getting negative feedback on the plan.
CAISO is refining changes to its market rules meant to better reflect suppliers’ costs of producing electricity while increasing flexibility.
CAISO is moving ahead with an effort to create new tools to deal with the variable output from the increasing amount of renewable generation on its grid.
CAISO is preparing for the upcoming solar eclipse, which is expected to take about 5,600 MW of utility-scale and rooftop solar generation off the grid.
CAISO hauled in the largest share of the $39.52 million in benefits produced by the EIM during the second quarter.
Negative day-ahead prices surged in CAISO during the first quarter stemming from surpluses of solar and hydroelectric output.
Want more? Advanced Search










