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December 20, 2025

Los Angeles Department of Water and Power (LADWP)

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NV Energy Filing Reveals Extensive Talks Around EDAM RA Program
Future participants in CAISO’s EDAM have already held extensive talks about developing an alternative to the Western Power Pool’s WRAP for non-CAISO EDAM members, NV Energy confirmed in a filing with Nevada utility regulators.
Brattle Group
Brattle Study Finds Similar PRMs Under Alternative Western RA Footprint
A new Brattle Group study examined the impact on planning reserve margins of an alternative Western resource adequacy program that includes expected participants in CAISO’s Extended Day-Ahead Market.
LADWP
LADWP to Pay $350K for ‘Misleading’ WECC
FERC approved a $350,000 penalty against the electric utility of Los Angeles for allegedly submitting misleading information to WECC.
SMUD
Calif. Utilities Move Cautiously on Dynamic Pricing
Two of California’s publicly owned utilities told state regulators they’re not ready to make the leap to rates that change hourly or more often.
CAISO
WEIM Q2 Benefits Exceed $420M, as Total Tops $7.4B
CAISO’s Western Energy Imbalance Market provided participants with $422.44 million in economic benefits during the second quarter of 2025, up 15% compared with the same period year earlier despite no change in membership. 
Arizona Public Service
Arizona Utilities Explore Expanded Use of Nuclear

Arizona utilities are seeking U.S. Department of Energy funding to help plan for additional nuclear power facilities in the state.

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
Newsom Issues Order to Speed Undergrounding of Lines in Los Angeles
California Gov. Gavin Newsom has suspended environmental laws to accelerate the undergrounding and hardening of utility equipment in communities ravaged by the Los Angeles wildfires.
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CAISO EDAM Pioneers Share Implementation Details
With go-live dates for its first two participants looming in May and October of next year, implementation activities for CAISO’s EDAM are ramping up.
CAISO
WEIM Q4 Benefits Exceed $374M
CAISO's Western Energy Imbalance Market provided participants $374.25 million in benefits during the fourth quarter of 2024, down about 4% from the same period a year earlier, according to an ISO report.

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