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March 17, 2026

CAISO/WEIM

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.
CAISO Edges Closer to Order 845 Compliance
CAISO moved a step closer to meeting Order 845 requirements when FERC accepted most Tariff revisions included in a second compliance filing.
Calif. PUC Seeks to Beef up Risk Assessment for IOUs
The California PUC opened a new proceeding to determine if investor-owned utilities should more rigorously assess risks from climate change and wildfires.
Calif. Rushing Microgrids for Fire Season Shutoffs
California is moving to adopt microgrids to store wind and solar energy and to provide electricity during public safety power shutoffs in wildfire season.
Calif. Energy Commission OKs $22M for Storage
The California Energy Commission approved $22M in grants to fund long-term energy storage projects and another $6M to test using repurposed EV batteries.
Offshore Wind Plans Take Shape in California
An early-stage proposal for offshore wind in California emerged at a state Energy Commission workshop, which also showcased powerful opposition.
Governor Signs PG&E ‘Plan B’ Takeover Bill
PG&E said it had completed its bankruptcy restructuring, one day after California enacted a law allowing the state to take over the utility if it fails to obey PUC rules.
CAISO Briefs Western EIM on Hybrid Resources
CAISO presented the Western Energy Imbalance Market’s Governing Body its plan for accommodating hybrid generation and storage resources.
California PUC Calls FERC Transmission Incentive Plan ‘Atrocious’
California Public Utilities Commission members criticized FERC’s proposal to double its transmission incentive adder and make the adders easier to get.
FERC Clarifies Western EIM Order
FERC reaffirmed its rejection of a proposed net export limit to help the Western EIM avoid unintended consequences of market power mitigation.
California PUC Approves Microgrids, Fire Plans
The California PUC adopted measures to prepare for this year’s fire season by accelerating deployment of microgrids and approving IOU prevention plans.

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