February 22, 2025

Arizona Corporation Commission (AZ CC)

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Ariz. Commissioner Questions Utility Decisions to Join SPP’s Markets+
Arizona Corporation Commissioner Kevin Thompson said he thinks his state’s four major utilities may have erred in committing to joining SPP’s Markets+ instead of CAISO’s Extended Day-Ahead Market.
Nick Myers via X
Western Regulators Clarifying Their Role in Markets+
Arizona regulator Nick Myers, chair of the Markets+ State Committee, is drafting a document as part of SPP's compliance filing that better explains the role Western state commissioners will play in the day-ahead market's development and operations.
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Pathways Backers Express Confidence on Calif. Legislation
Key backers of the West-Wide Governance Pathways Initiative told state energy officials they’re confident California lawmakers next year will pass a bill needed to relax state oversight on CAISO’s markets and establish the "RO" envisioned by the initiative.
WER Architects-Planners
Regulators Get Look into Monitoring Plans for Markets+

Western regulators on the Markets+ State Committee probed an SPP Market Monitoring Unit official on how the department plans to address implementation of the new day-ahead market.

APS
Ariz. Utilities Required to Report on Day-ahead Market Activities
When Arizona utilities file their next integrated resource plans, they’ll be required to include an analysis of cost savings and other benefits they could realize from Western regional market participation.
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.
West-Wide Governance Pathways Initiative
Pathways Backers Advance WEIM/EDAM Governance Proposal
Backers of the West-Wide Governance Pathways Initiative will move quickly on a proposal to alter the governance of CAISO’s Western EIM and EDAM after voting to approve the plan.
PacifiCorp
SPP Markets+ Tariff Sparks Concerns for PacifiCorp, NV Energy
Although PacifiCorp formally committed to joining CAISO’s Extended Day-Ahead Market, the utility is still voicing concerns about a competing day-ahead market, SPP’s Markets+, in a FERC filing. 
FEMA
Ariz. Looks to Public Safety Power Shutoffs to Prevent Wildfires
Arizona Public Service is prepared to implement public safety power shutoffs, and another utility in the state is laying the groundwork to use the wildfire prevention technique.
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.

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