CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing Body
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.
NV Energy is seeking proposals for renewable energy projects to add to its portfolio, including solar, hydroelectric, geothermal, wind, biomass or biogas.
The Arizona legislature passed a bill that would close the door to electric retail competition, but lawmakers said the conversation on deregulation isn't over.
FERC ordered CAISO, ISO-NE, MISO, NYISO, PJM and SPP to report on how system needs are changing with their shifting resource mixes and how they will meet them.
Rising natural gas prices and extreme weather pushed wholesale electricity prices higher in 2021, FERC said in its annual State of the Markets report.
FERC ordered PacifiCorp to refund premiums it received for sales above WECC's soft price cap of $1,000/MWh during the severe Western heat wave of August 2020.
FERC challenged the transmission formula rate protocols of five Western utilities, saying they lack sufficient transparency and customer protections.
The Department of Energy’s lifeline to struggling nuclear generators appears unlikely to save the next three units scheduled to retire.
A Washington siting council member requested a look at the effect of solar farms on Yakima Valley after the agency received applications for new projects.
PG&E announced that its 182.5-MW Elkhorn Battery project, comprising 256 Tesla Megapack units, had commenced operation in CAISO.
The Bonneville Power Administration is on target to enter the Western EIM in early May after executives made a final determination on its market readiness.
Want more? Advanced Search










