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.
CEC
California’s electricity consumption is projected to increase dramatically over the coming decades due in large part to planned artificial intelligence data centers, although questions remain about how many of those data centers actually will be built.
© RTO Insider LLC
The Extended Day-Ahead Market took center stage at CAISO in 2025 as the ISO tabled other long-term initiatives to ensure the market’s timely launch in May 2026, with PacifiCorp as its first participant.
© RTO Insider
As NV Energy prepares to file its next integrated resource plan ahead of schedule in April, the company says it will take longer than previously planned to reduce its reliance on short-term market purchases.
© RTO Insider
With 16 binding participants and 58 GW worth of load committed, the Western Power Pool’s Western Resource Adequacy Program aims to build on the momentum in 2026 and prepare for more members.
IMCO
Idaho Power can continue to sell power at market-based rates after it acquired more than 200 MW in resources 2023 and 2024, FERC ruled.
© RTO Insider LLC
CAISO is proposing a set of tariff changes for submission to FERC early in 2026 to help ease participants into the ISO’s new Extended Day-Ahead Market.
© RTO Insider
Future participants in CAISO’s EDAM have already held extensive talks about developing an alternative to the Western Power Pool’s WRAP for non-CAISO EDAM members, NV Energy confirmed in a filing with Nevada utility regulators.
© RTO Insider
The Bonneville Power Administration announced it has triggered a $40 million surcharge to rebuild financial reserves depleted after three years of low water, saying the move could lead to an annual average effective rate increase of 2.2% for most power sales.
CAISO
The Western Energy Markets Governing Body approved a set of revisions to CAISO's gas-fired energy generation resource management program after two years of work with stakeholders.
Western Area Power Administration
The Western Transmission Expansion Coalition plans to publish its 10-year outlook for Western transmission needs in February 2026 and has begun outlining the 20-year plan, according to Energy Strategies, which is developing the report.
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