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February 25, 2026

California Independent System Operator (CAISO)

CAISO Kicks off Effort to Procure Black Start Resources
A new, “expedited” CAISO initiative seeks to establish a process for selecting and procuring black start resources.
FERC Reopens Western Energy Crisis Refund Proceeding
FERC ruled that Shell and Hafslund can not use the costs associated with illegal trading activity during the Western Energy Crisis to offset their refund.
FERC Accepts CAISO Contracts for Imported Frequency Response
FERC approved CAISO's agreements to procure frequency response from the Bonneville Power Administration and Seattle City Light.
EIM Sees Sharp Increase in Flexible Ramping Test Failures
The Energy Imbalance Market (EIM) experienced a “dramatic uptick” in failed ramping capacity tests in November and December, the CAISO IMM reported.
CRR Initiative Elicits Mixed Reviews from CAISO Participants
The CAISO decision to possibly prioritize reforms to its congestion revenue rights auctions in 2017 has provoked mixed reactions from stakeholders.
WAPA Approves Route for TransWest Express Line
WAPA has selected a route for the TransWest Express transmission project, an HVDC line proposed by Anschutz Corp.
CAISO Study Backs Use of Renewables for Grid Reliability
Solar photovoltaic resources can provide ancillary services in a way comparable to conventional generating resources, according to a study released by CAISO.
FERC Clarifies Western Energy Crisis ‘Pricing Umbrella’ Theory
FERC said evidence of price reporting deficiencies by power sellers during the Western Energy Crisis cannot constitute the sole basis for a finding of market manipulation.
WAPA, SMUD Extend Scoping Period for Colusa-Sutter Project
WAPA and SMUD said the Colusa-Sutter project will provide additional bidirectional transmission capacity to improve SMUD’s ability to participate in CAISO’s Energy Imbalance Market (EIM).
California Tx Policy Must Foster Resource Diversity, Report Shows
California will require improved transmission access to renewable resources to meet its environmental targets, according to a new report from the Energy Commission.

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