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January 31, 2026

California Independent System Operator (CAISO)

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CAISO EDAM Congestion Revenue Proposal Gains Support

Many stakeholders are now supporting CAISO’s proposed new method for allocating congestion revenues in EDAM after months of workshops and multiple proposals.

BLM California
CAISO Battery Storage Initiative Focuses on Outage Management, Nonlinearity

CAISO is moving forward with a key initiative to resolve how battery storage resources function on the grid as the battery boom continues in the Golden State. 

Shutterstock
Amended ‘Pathways’ Bill Boosts — and Complicates — Calif. Protections
The latest version of California’s “Pathways” bill strips out a previous amendment that would have given state regulators authority to order utilities to withdraw from the RO under certain circumstances.
The Imperial Irrigation District
Imperial Irrigation District Inks Agreement to Join CAISO Markets
CAISO said the Imperial Irrigation District has signed implementation agreements and will begin participating in the WEIM and EDAM in 2028.
Shutterstock
California’s ‘Pathways’ Bill Heading to Senate Floor

A California bill to implement the West Wide Governance Pathways Initiative’s Step 2 proposal is headed to the floor of the state Senate after being approved by the body’s Appropriations Committee.

CAISO
CAISO Approves $4.8B Transmission Plan to Support 76 GW of New Capacity
CAISO's Board of Governors approved the ISO's 2024/25 transmission plan to build out 31 new projects in the region over the next eight to 10 years.
CAISO
CAISO Postpones EDAM Congestion Revenue Decision
CAISO delayed its final decision on how to allocate congestion revenues in its Extended Day-Ahead Market after receiving comments from stakeholders asking for more analysis.
Shutterstock
Turlock Irrigation District to Join EDAM in 2027

California-based Turlock Irrigation District has agreed to join CAISO’s Extended Day-Ahead Market in 2027.

CAISO
CAISO Chooses Viridon to Develop Humboldt OSW Transmission Projects
CAISO selected Viridon, a power infrastructure development firm, to finance, build and operate new transmission lines and infrastructure in Humboldt County for planned offshore wind development.
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CAISO, PacifiCorp, PSCo All Close on Order 2023 Compliance

FERC partially approved three entities' Order 2023 compliance filings, directing them to address mostly minor — but a few substantive — issues in their submissions.


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