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.
The Bonneville Power Administration tamped down expectations that it is all in on SPP’s Markets+, clarifying in a recent letter to lawmakers representing Oregon and Washington that it’s still weighing the pros and cons of joining a day-ahead market.
BPA remains on track to issue a decision on which day-ahead market to join by May 2025 despite calls to delay it until fall 2025 to give the agency more time to reconsider its leaning toward SPP’s Markets+.
CAISO, California and other parts of the West head into 2025 with a heavy load of priorities: implementing EDAM, developing the infrastructure needed to meet ambitious climate goals, and moving forward with new and continuing initiatives to address some of the ISO’s biggest challenges.
With approvals falling into place for NV Energy’s Greenlink West project, construction of the 472-mile transmission line is expected to ramp up in 2025.
CAISO’s launch of the Extended Day-Ahead Market will not spell the end of a Western real-time-only offering from the ISO, according to CEO Elliot Mainzer.
The U.S. government alleges that PacifiCorp's failure to maintain its power line equipment caused the 2020 Archie Creek Fire that burned over 131,000 acres and resulted in hundreds of millions of dollars in damages to federal lands.
On the surface, CAISO’s Extended Day-Ahead Market and SPP’s Markets+ will take similar approaches to accounting for greenhouse gas emissions — but important differences remain.
The Bonneville Power Administration continued to argue that SPP’s Markets+ is preferable to CAISO’s EDAM, stating in a letter to Seattle City Light that potential benefits of a single West-wide market footprint must be viewed with “significant skepticism."
The Los Angeles Board of Water and Power Commissioners gave the go-ahead for LADWP to join CAISO’s EDAM, in a move expected to increase the utility’s annual net revenue by almost $40 million.
The U.S. Department of Energy’s Loan Programs Office announced a $15 billion conditional loan commitment to Pacific Gas & Electric to improve the California-based utility’s energy infrastructure and support clean energy initiatives.
Want more? Advanced Search