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.
Bonneville's final record of decision will come as little surprise to those who’ve been following market developments in the West.
In the competition between two Western day-ahead markets — CAISO’s EDAM and SPP’s Markets+ — the two market operators have “sort of played off one another,” an industry observer said during a panel.
Following BPA’s pause on certain transmission planning processes, the agency’s customers say it might be time to consider creating a regional transmission organization or imposing stricter requirements to tackle the “exponential growth” of transmission service requests.
California's grid is expected to meet peak demand this summer, with officials pointing to the massive growth in solar and storage resources as key.
Annual energy demand in the Pacific Northwest could reach between 31,000 and 44,000 MW by 2046, according to the NWPCC's initial 20-year forecast.
Stakeholders and state energy officials continue to raise concerns about a draft proposal that would adjust how congestion revenues are allocated in CAISO's EDAM, with the ISO aiming for a vote on the final plan in the coming weeks.
APS officials said they are looking to a non-coal future for the recently closed Cholla coal-fired power plant, despite President Donald Trump’s calls to keep the facility running.
The two Southwestern utilities are closer to compliance with FERC Order 2023 but still have work to do in response to orders the commission issued.
FERC approved the non-rate terms of SunZia Transmission’s proposed transmission owner tariff but sent the tariff’s non-subscriber usage rate to a settlement process and potential hearing.
CAISO released a draft final proposal detailing how EDAM will allocate congestion revenues in circumstances when a transmission constraint in one BAA produces “parallel” flows in a neighboring BAA also participating in the market.
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