January 8, 2025

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.
Moonwater Capital
PUCN Sets Framework for NV Energy’s EDAM Participation
As NV Energy moves forward with plans to join CAISO’s Extended Day-Ahead Market, Nevada regulators have laid out a framework for how the company can seek approval for EDAM participation.
Renewable Northwest
Group Claims Powerex Backing Markets+ to Benefit from Divided West
A new study commissioned by Renewable Northwest says Powerex is poised to benefit if the West ends up divided between CAISO’s EDAM and SPP’s Markets+.
CAISO
CAISO Kicks off Stakeholder Process for Pathways Initiative
CAISO kicked off the West-Wide Governance Pathways Initiative stakeholder process required to shift the ISO’s governance structure to an independent entity within the Extended Day-Ahead Market.
Western Area Power Administration
WAPA Tariff Falls Short of Reciprocity Status, FERC Finds
The Western Area Power Administration’s non-jurisdictional Open Access Transmission Tariff does not meet the standard of an “acceptable reciprocity tariff,” despite recent revisions the federal power agency incorporated into the tariff, FERC ruled.
UniSource Energy
Critics Call out Ariz. Commission for ‘Troubling’ Precedent
Arizona regulators are under fire for decisions on the expansion of a UNS gas-fired plant and third-party IRP audits.
CAISO
CAISO Board Approves Interconnection Enhancements Proposal
The CAISO board unanimously approved the ISO’s Interconnection Process Enhancements proposal, the product of more than a year of stakeholder engagement and troubleshooting.
Idaho Power
FERC Approves EDAM Tx Revenue Recovery Plan
FERC approved CAISO tariff revisions that will allow transmission owners to recover transmission revenue shortfalls attributed to transitioning their assets into the Extended Day-Ahead Market.
TerraPower
Bill Gates’ TerraPower Breaks Ground on Advanced Nuclear Plant
TerraPower broke ground on its Natrium reactor demonstration project in Wyoming, making it the first advanced reactor to enter construction.
NV Energy
NV Energy IRP Describes $1.76B Cost Jump for Greenlink Projects

Rising costs of materials and labor and an increased use of H-frame structures as an environmental mitigation have contributed to a $1.755 billion increase in the projected cost of NV Energy’s Greenlink transmission projects.

Western Power Pool
FERC Allows Berkshire Utilities to Earn Market-based Rates in WRAP
FERC approved tariff revisions by Berkshire Hathaway Energy subsidiaries PacifiCorp, Nevada Power and Sierra Pacific Power that will enable the utilities to earn market-based rates when participating in the WRAP.

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