CAISO/WEIM
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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.
Regional initiatives aimed at increasing coordination and collaboration among power entities in the West are essential to tackle mounting technical and political challenges, panelists said during a discussion at the spring joint CREPC-WIRAB meeting.
BPA's day-ahead market decision will have “major reliability and affordability impacts” on electricity customers in the Northwest and across the West, CAISO CEO Elliot Mainzer told the ISO’s Board of Governors
California Gov. Gavin Newsom has suspended environmental laws to accelerate the undergrounding and hardening of utility equipment in communities ravaged by the Los Angeles wildfires.
The West-Wide Governance Pathways Initiative’s Launch Committee said it hopes to seat a permanent board by either next year or 2027 for the regional organization that will govern energy markets in the West.
Pacific Gas and Electric will meet some of this year’s summer electricity demand in California through a virtual power plant demonstration project that will include as many as 1,900 residential customers.
CAISO's Department of Market Monitoring found lower natural gas prices helped drive down energy prices in the WEIM in the fourth quarter of 2024.
For the Balancing Authority of Northern California, a positive experience with CAISO’s Western Energy Imbalance Market was a key factor in the decision to also join the ISO’s Extended Day-Ahead Market.
CAISO launched an “expedited” initiative to address stakeholder concerns about how EDAM will allocate congestion revenues when a transmission constraint in one balancing authority area causes congestion in a neighboring BAA.
FERC approved a $528,000 settlement that ends a dispute between EDF Trading North America and CAISO over fuel cost recovery.
The California Public Utilities Commission voted to approve stricter safety standards on battery storage facilities following a series of incidents at battery facilities.
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