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March 20, 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.
CPUC OKs Temporary Increase in Aliso Canyon Injections
The California Public Utilities Commission voted unanimously to allow Southern California Gas to temporarily increase gas injections into Aliso Canyon.
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Calif. Code Change Would Mandate Rooftop Solar
The California Energy Commission (CEC) unanimously approved a mandate requiring new homes in the Golden State to include rooftop solar.
UPDATED: Don’t Rush on Resilience, Commenters Urge
FERC should let RTO stakeholder processes work and not issue broad and costly new mandates on grid resilience, commenters told the commission.
Oncor Financing Tamps Down Sempra Earnings
Financing costs related to the acquisition of Texas utility Oncor helped pushed Sempra Energy’s earnings down by $94 million in the first quarter compared with the same period last year.
Peak Reliability
Peak Details Vision for ‘Transitional’ RC
Peak Reliability outlined a vision for reworking its current structure and reducing costs as it tries to prevent a mass exodus of customers to CAISO.
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CPUC Cautions of Return to Bad Old Days
The CPUC warned that the state could return to the conditions preceding the energy crisis of the early 2000s if decision-making is not managed correctly.
CAISO
CAISO, PacifiCorp Gain Most EIM Q1 Benefits
CAISO and PacifiCorp reaped the majority of the Western Energy Imbalance Market’s $42.1 million in gross benefits during the first quarter (Q1 2018).
Edison Hopeful for State Action on Wildfire Liability
Edison International is hopeful that several California bills will ease the financial pressure stemming from wildfire costs.
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FERC Approves CAISO-Calpine RMR Settlements
FERC approved settlement agreements among CAISO, Pacific Gas and Electric and Calpine covering reliability-must-run contracts for three Northern California gas-fired plants, reducing the revenue they will receive and making them subject to a must-offer requirement.
Calif. Legislation Shields Utilities from Wildfire Costs
A bill that would allow utilities to recover wildfire costs if they conform to state-regulated safety plans moved through the California legislature, but it faces opposition from some who say it lets utilities off the hook.

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