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December 28, 2025

California Independent System Operator (CAISO)

SPP Names CAISO’s Collins to Lead MMU
SPP named Keith Collins, CAISO manager of monitoring and reporting and former FERC official, as the new executive director of its Market Monitoring Unit.
CAISO Board OKs Black Start, TAC Area, EIM Charter Measures
The CAISO Board of Governors approved Tariff measures that will enable the ISO to procure additional black start resources in the San Francisco Bay Area.
CAISO
With Solar Eclipse Looming, CAISO Weighs its Options
CAISO is developing a plan for an Aug. 21 solar eclipse that will sharply reduce the state's solar power for three hours on a Monday morning in summer.
Utility Proposal Would Increase Legacy Costs for California CCAs
Californians who receive electricity from a community choice aggregator could face higher costs under a plan proposed by three investor-owned utilities.
Salt River Project Signs on to Become 9th EIM Participant
Salt River Project signed an agreement with CAISO that puts the utility on track to join with the Western Energy Imbalance Market (EIM) in April 2020.
CAISO Considers Fast-Track Approval for 2 Tx Projects
CAISO is considering approval of two low-cost transmission upgrade projects using an accelerated procedure that bypasses the usual stakeholder process.
Spring Oversupply Lifts CAISO Curtailments
CAISO is curtailing an increasing volume of renewable generation this spring as the ISO sees its “duck curve” already dipping to levels forecast in 2021.
Heated Start for CAISO CRR Reform Initiative
Financial traders made clear that they won’t give up the CAISO congestion revenue rights auctions without a fight at a meeting on the auctions’ shortfalls.
EIM Governing Body OKs Charter Expansion; Retains Schmidt
EIM Governing Body members approved a measure that would give them increased power to make changes to the market’s governing charter.
LA Creating Aggregator to Compete with SoCalEd
Customers in LA County will have the option to purchase power from a new publicly run supplier that will obtain more of its energy from renewable resources.

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