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December 5, 2025

Idaho Power

CAISO
Panel Ponders Impacts, Priorities Around Western Market Seams

The formation of two competing day-ahead markets will create seams across the West, but at least one utility representative is more worried about seams resulting from the fracture of CAISO’s real-time Western Energy Imbalance Market.

The Imperial Irrigation District
Imperial Irrigation District Inks Agreement to Join CAISO Markets
CAISO said the Imperial Irrigation District has signed implementation agreements and will begin participating in the WEIM and EDAM in 2028.
Shutterstock
Turlock Irrigation District to Join EDAM in 2027

California-based Turlock Irrigation District has agreed to join CAISO’s Extended Day-Ahead Market in 2027.

Shutterstock
Western Utilities Prep for Wildfire Season with New Initiatives, Tech
Utilities in the West are gearing up for another wildfire season, equipped with new technology and lessons learned from recent fires in Los Angeles they hope can assist in mitigation work.
CAISO
Fast-paced Effort will Address EDAM Congestion Revenue Issue
CAISO launched an “expedited” initiative to address stakeholder concerns about how EDAM will allocate congestion revenues when a transmission constraint in one balancing authority area causes congestion in a neighboring BAA.
Shutterstock
FERC Denies LS Power’s Bid for SWIP-N Incentives
FERC denied LS Power’s two petitions for recovery of costs in case the development of a 285-mile transmission line is abandoned, saying the developer failed to adequately show the project’s benefits.
Shutterstock
Oregon Utilities Enter 2025 With Ambitious Wildfire Plans
Increased wildfire risk in the Pacific Northwest has spurred utilities to adjust their operations to account for climate change and other contributing factors to better fight and predict fires going into 2025.
CAISO
FERC Approves CAISO’s SWIP-North Development Agreement
FERC approved an agreement between CAISO and LS Power to develop a transmission line that would deliver Idaho wind power into California and could help secure Idaho Power’s participation in the ISO’s Extended Day-Ahead-Market.
SPP
SPP Markets+ Tariff Wins FERC Approval

SPP reached a key milepost in its Western efforts when FERC conditionally approved its tariff for Markets+, a highly anticipated decision likely to ramp up the competition with CAISO’s Extended Day-Ahead Market.

NOAA
CAISO Leaders Look Ahead to 2025 with Confidence
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.

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