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.
Stakeholders are still seeking clarity on details in CAISO’s plan to streamline its interconnection process after the ISO released its final proposal to address the issue after 10 intensive months.
The Bonneville Power Administration released a much anticipated staff report that tentatively recommends the agency choose SPP’s Markets+ over CAISO’s Extended Day-Ahead Market.
CAISO released a draft transmission plan identifying 26 new transmission projects aimed at accelerating California’s ability to meet its ambitious clean energy goals and costing an estimated $6.1 billion.
FERC approved CAISO’s request to forgo this year’s process for taking interconnection applications, giving the ISO more time to study last year’s record-breaking number of requests.
FERC granted complaints by five utilities against CAISO, nullifying nearly $2 million in penalties for incorrect meter data reporting.
Despite record winter precipitation in California, hydroelectric generation in the Western U.S. fell to a 22-year low in the 2022/23 water year, largely due to drought conditions in Washington and Oregon.
Fast-start pricing could fix certain “price anomalies” in CAISO markets more effectively than existing mechanisms for compensating ramping resources, the WEIM Governing Body’s market expert told the group.
FERC rejected challenges to its new generator interconnection rules under Order 2023, while making minor modifications and extending the compliance date.
CAISO scored simultaneous victories in heavily contested territory after Portland General Electric and Idaho Power both signaled their intent to join the Extended Day-Ahead Market.
The upcoming April 8 solar eclipse will run a course from central Mexico to Newfoundland, but grid operators far from its path of totality will be dealing with its impact.
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