CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)Other 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.
While PNM awaits a court decision that could revive a merger with Avangrid, PNM officials say they’ll keep running the company like it’s a standalone business.
A California Energy Commission workshop examined the difficulties of connecting vast quantities of clean energy resources to the bulk electric system by 2045.
Up to 13 GW of new generation and storage resources are planned to come online in the Western Interconnection by the end of this summer.
The independent safety monitor appointed to keep watch on PG&E issued its second report, citing the utility's vast, aging distribution system as a main concern.
WECC held a two-day webinar on the outlook for this summer, including Western wildfires and hydropower conditions in the Colorado and Columbia River basins.
The California Air Resources Board approved groundbreaking rules requiring passenger, freight and switcher locomotives to decarbonize in the next three decades.
California regulators approved a rule that will ban the sale of diesel trucks in the state starting in 2036, requiring all new trucks sold to be zero-emission.
Members of the California Assembly Utilities & Energy passed a bill to give CAISO independent governance but uniformly expressed their dislike of it as written.
A Colorado solar-and-battery project facing ongoing supply chain disruptions can postpone its operational start date by 21 months, FERC decided 3-1.
The California Air Resources Board plans to vote on a regulation requiring new switcher locomotives to be zero-emitting by 2030 and freight locomotives by 2035.
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