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February 17, 2026

California Independent System Operator (CAISO)

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Heat Wave to Test Western Grid this Weekend
Forecasters say California and the Southwest will see extreme heat this weekend, with conditions like those that strained the grid over Labor Day weekend 2020.
NWPP
Western Power Pool Board Approves WRAP Tariff
The Western Power Pool approved the tariff for its Western Resource Adequacy Program, readying the first-of-its-kind program for review by FERC.
© RTO Insider LLC
CAISO Updates EDAM Straw Proposal
CAISO's revised plan for a WEIM extended day-ahead market makes changes to transmission requirements and penalties for failing resource sufficiency evaluations.
Andre m, CC BY-SA 3.0, via Wikimedia
California Legislature Asks CAISO to Report on Regionalization
The California State Legislature passed a resolution requesting that CAISO report on efforts to create an RTO in the West and its potential benefits.
CAISO
Transwest Express Seeks to Join CAISO
A transmission line meant to carry 3,000 MW of Wyoming wind energy to California wants to join CAISO, but the ISO's process is raising concerns.
FERC
FERC Proposes Allowing RTOs to Share Credit-related Info
FERC proposed allowing RTOs to share credit information about market participants, fulfilling a request the grid operators made at a 2021 technical conference.
Shutterstock
California PUC Opens ‘Critical’ Demand Flexibility Proceeding
The California PUC opened a proceeding on demand flexibility as a way to address the state's electric reliability crisis and limit solar curtailment.
© RTO Insider LLC
PG&E, Tesla Team up on Virtual Power Plant
PG&E and Tesla have asked owners of Powerwall batteries to be part of an aggregated storage program to help California meet its reliability challenges.
WEIM Governing Body Names New Member, Leaders
The Governing Body of CAISO's Western Energy Imbalance Market welcomed a new member and elected its chair and vice chair for the next year.
Renova Energy
CAISO Order 2222 Filing Needs Some Work, FERC Says
FERC accepted CAISO's Order 2222 compliance filing but told it to submit revisions to its participation model for distributed energy resource aggregations.

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