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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.
Troubled Waters for Powerex in EIM
Powerex is navigating a turbulent relationship with EIM rules the company says undercut the value of its hydro power resources.
© RTO Insider
FERC OKs Reliability Standard on Fault Protections
FERC gave final approval to NERC reliability standards on training requirements and the coordination of protection systems.
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With Big Nukes Dwindling, Supporters Focus on Modular
Small modular reactors are more easily tailored to varying usage and sites, industry experts told the annual meeting of Western Conference of Public Service Commissioners (WCPSC).
© RTO Insider
Pot Industry Blazing a Path in Western Energy Landscape
The budding efforts to increase the energy efficiency of U.S. marijuana operations will become increasingly critical as the commodity grows into a global market, energy industry experts said Monday.
LaFleur, Glick Promise a Light Touch on Changing West
FERC Commissioners Cheryl LaFleur and Richard Glick told state regulators at the annual meeting of the WCPSC that they will take a light-handed approach as the West develops new market structures.
U.S. Army Corp. of Engineers
Calif. Senate OKs Utility Wildfire Cost Recovery
The California State Senate passed legislation that would allow the state’s investor-owned utilities to pass through the costs of wildfires to ratepayers.
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CPUC Approves Utility EV Infrastructure Programs
The California Public Utilities Commission (CPUC) authorized the state’s investor-owned utilities to recover $738 million for electric vehicles (EV) charging infrastructure.
© RTO Insider
CAISO Hits Reset on Backstop Procurement Overhaul
CAISO is going back to the drawing board to overhaul its reliability-must-run (RMR) program, switching to a “holistic” approach.
NERC
NERC: ERCOT, CAISO Face Summer Reliability Concerns
NERC said Wednesday that its annual summer reliability assessment indicates ERCOT and CAISO will face operational challenges and potential reliability concerns this summer, thanks to the two ISOs’ respective loss of baseload generation and lack of fuel assurance.
CalFire Says PG&E Caused 4 Wildfires Last Year
Trees contacting Pacific Gas and Electric distribution lines caused four Northern California wildfires last year that burned about 9,400 acres, state investigators said.

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