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March 16, 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.
PG&E Equipment Started Zogg Fire, Investigation Finds
The Zogg Fire started when a leaning tree struck a PG&E power line, the California Department of Forestry and Fire Protection said.
FERC Approves NextEra Purchase of GridLiance
FERC conditionally approved NextEra Energy Transmission’s $660 million purchase of GridLiance transmission operations in MISO, SPP and CAISO.
Newsom’s $1.5B ZEV Plan Takes Flak from Democrats
Fellow Democrats are questioning California Gov. Gavin Newsom’s budget proposal to spend $1.5 billion to accelerate the adoption of zero-emissions vehicles.
California Must Triple Capacity to Reach 100% Clean Energy
A new report found that California will need to build renewable generation and storage resources at a record pace to provide 100% clean energy by 2045.
EIM Governing Body OKs Summer Readiness Measures
The Western Energy Imbalance Market approved two CAISO measures and endorsed a third to improve reliability, mitigate capacity shortfalls.
CAISO MSC Weighs Summer Market Changes
CAISO’s Market Surveillance Committee has endorsed a set of rule changes designed to avoid shortfalls this summer.
Calif. Tries to Rein in PSPS for Fire Season
California regulators are trying to avoid a repeat of last year’s unprecedented use of PSPS to prevent utility equipment from igniting wildfires.
CAISO Readies RA Enhancements for Summer
A stakeholder initiative to help ensure resource adequacy and avoid energy emergencies this summer is headed to the CAISO Board of Governors.
New PG&E CEO Promises ‘Hometown Experience’
New PG&E CEO Patti Poppe vowed change as she laid out her vision for the utility, which reported a loss of $1.05/share for 2020.
Calif. Worries High Rates Could Hurt Climate Efforts
California’s energy policy leaders came together to weigh the potential impact of the state’s sharply rising electricity rates on its electrification goals.

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