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January 15, 2025

Arizona Public Service (APS)

APS
Tug-of-war Developing over Ariz. Clean Energy Rules
As state regulators begin a process to repeal renewable energy and energy efficiency standards for electric utilities, a group of lawmakers want the regulators to reconsider clean energy rules they previously rejected.
CAISO
WEIM Ends 2023 Exceeding $5B in Benefits
CAISO’s WEIM last year hit $5.05 billion in benefits for its members since its inception in 2014, continuing the positive trend of growth tied to an expanding Western footprint.
Arizona Public Service
APS IRP Envisions Increased Renewables, Natural Gas

Arizona Public Service has filed a 15-year resource plan that lays out a strategy for meeting increasing demand and replacing capacity lost from its coal plant exit.

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Stakeholders: Pathway Initiative Offers ‘Fresh Look’ at Western Market
Western stakeholders expressed enthusiasm for the West-Wide Governance Pathway Initiative but called for more transparency in developing a regional market.
© RTO Insider LLC
Forum Turnout, Tone Could Signal Growing Support for EDAM
The stars may not yet have aligned for CAISO in the contest to bring an organized electricity market to the West, but key industry players appeared to be doing just that at an ISO event to celebrate the progress of its Extended Day-Ahead Market.
WEIM
WEIM Tops $4B in Benefits Months After Hitting $3B
The Western Energy Imbalance Market topped $4 billion in cumulative benefits in the second quarter of 2023, just six months after it topped the $3 billion mark.
CAISO
WEIM Sees Record Q1 Benefits with Growth of Footprint
CAISO’s Western Energy Imbalance Market yielded members $418.82 million in economic benefits during the first three months of 2023, a first-quarter record.
NYPA
FERC Approves Batch of Line Ratings Compliance Filings
FERC approved the compliance filings of six transmission providers, including those of NYISO and CAISO, with Order 88.
SPP
SPP Moving Quickly on Markets+’s Development
SPP has executed funding agreements with eight Western Interconnection entities for the first phase of its Markets+ market, accelerating its development.
Nikola Corp.
Supporters See Strong Potential in SW Hydrogen Hub
Energy leaders in Arizona and Nevada have partnered on a clean hydrogen hub proposal that supporters say has many of the right pieces to win federal funding.

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