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.
BPA Poised to Weather COVID Impact
The pandemic is having little impact on BPA's financial health, with FY 2020 net income projected to exceed a worst-case scenario.
California Needs Huge Number of EV Chargers
California will need to double the pace of EV sales and install millions of chargers to meet goals, researchers told the Energy Commission.
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CAISO Names Bonneville Power Administrator as New CEO
CAISO named the head of BPA as its new chief Thursday, a move that could help further the expansion of the Western EIM and increase its regional influence.
FERC Ends Idaho Power MBRA Probe
FERC found Idaho Power had satisfied standards for market-based rate authority and terminated a proceeding it had ordered to find out if the utility was exercising market power in its BAA.
CPUC Questions CAISO Day-ahead Capacity Plan
CAISO’s proposal to develop new capacity products through its day-ahead market enhancements initiative may not yield expected benefits, a key skeptic says.
EDAM Design Could Undermine Tx Rights, Critics Say
The proposed expansion of CAISO’s Western Energy Imbalance Market to a day-ahead market won’t be as voluntary as advertised, some stakeholders are arguing.
CAISO Adopts Co-located Resources Plan
The CAISO Board of Governors adopted the first of two proposals intended to allow co-located and hybrid resources to connect to the grid more seamlessly.
CAISO Proposal Sets Course for EIM Day-ahead
CAISO issued a proposal outlining the leading edge of its plan to bring day-ahead trading to the Western Energy Imbalance Market.
California Looks to EVs for Grid Resilience
The California Energy Commission held a discussion on how electric vehicles could serve as energy storage resources during emergencies.
RTOs Move Closer to Full Order 841 Implementation
PJM, CAISO and SPP took a step closer to the full implementation of Order 841 with FERC’s partial acceptance of their Tariff revisions.

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