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December 29, 2025

California Independent System Operator (CAISO)

PacifiCorp Offers Lessons for Future EIM Participants
PacifiCorp says future participants in the CAISO EIM forum will benefit from early lessons the company learned attempting to integrate.
Idaho Power Inks Agreement to Join Western EIM
Idaho Power signed an agreement with CAISO to become the sixth utility to join the western Energy Imbalance Market.
CAISO Seeks Rapid Response to SoCal Gas Restrictions
CAISO expedites stakeholder process to help gas-fired generators mitigate the financial impact of proposed restrictions stemming from Aliso Canyon closure.
FERC: Market Flaws Irrelevant to Case
The FERC Office of Enforcement said that the presence of flaws in the CAISO market is irrelevant to their market manipulation case against ETRACOM.
CAISO Tariff Change Would Extend Market to DER
A new CAISO Tariff provision would enable rooftop solar and other small distributed energy resources (DER) to participate in the markets.
FERC Eliminates Intertie Convergence Bids in CAISO
FERC approved a request by CAISO to eliminate from its Tariff a provision establishing convergence bidding at scheduling points on the interties into Ca.
NV Energy has Smooth EIM Integration, CAISO Says
NV Energy had a smooth integration into the Western Energy Imbalance Market (EIM), CAISO said.
FERC Likely to Eliminate Must-Offer Rule for West
FERC proposed eliminating a market transparency rule imposed on the WECC region during the height of the California energy crisis of 2000-2001.
MISO Preparing a Place for Energy Storage in Tariff
With several projects being considered, MISO Energy is beginning a look at rule changes needed to accommodate energy storage.
FERC Allows CAISO EIM to Identify Adjacent Capacity
CAISO told FERC that its software’s inability to recognize available balancing capacity was creating false scarcity in the market.

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