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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.
Texas Utility Plans to Join CAISO EIM
El Paso Electric, a utility that serves more than 400,000 customers in Texas and New Mexico, plans to join CAISO’s Western Energy Imbalance Market in 2023.
CAISO Advances Summer Readiness Plan
CAISO introduced a straw proposal that aims to attract supply this summer and head off shortfalls like those that led to rolling blackouts last year.
California PUC Slams SCE Over Power Shutoffs
The CPUC and state emergency officials told Southern California Edison that it had mishandled its public safety power shutoffs in 2020.
California Energy Commission Updates Long-Term Forecast
The California Energy Commission updated its 2020-2030 forecast to account for the COVID-19 pandemic and increased electric-vehicle charging.
California Lawmakers Focus on Building Decarbonization
Legislators in Sacramento introduced bills to ban natural gas from new construction, promote hydrogen as a fuel source and increase DR to head off blackouts
Western EIM Questions Performance in Shortfalls
The Western EIM Governing Body discussed CAISO’s summer energy shortfalls, pondering how the EIM could better serve participants during system stress.
Western RA Effort Could Wrest Some Control from States
A recent report concluded that a Western resource adequacy program could require state regulators & utilities to relinquish some control over IRP processes.
Calif. PUC Orders $200M Microgrid Incentive Program
The California PUC ordered utilities to hasten the creation of microgrids, including establishing a $200 million incentive program for high risk communities
CAISO Issues Final Report on August Blackouts
CAISO and state agencies released a final analysis of the August blackouts and steps they are taking to prevent capacity shortfalls this summer and beyond.
Calif. Governor Proposes $1.5 Billion for ZEVs
California Gov. Gavin Newsom proposed investing $1.5 billion in zero-emission vehicles to accelerate their adoption as part of his $227 billion budget plan.

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