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February 25, 2026

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.
Western Area Power Administration
WestTEC Targets Early 2026 for Release of 10-year Tx Outlook
The Western Transmission Expansion Coalition plans to publish its 10-year outlook for Western transmission needs in February 2026 and has begun outlining the 20-year plan, according to Energy Strategies, which is developing the report.
CAISO
CAISO Looks to Eliminate Self-schedule Incentives in EDAM Congestion Revenue Design
CAISO continues to work to revise the rules around how congestion revenues will be allocated to participants in the ISO’s Extended Day-Ahead Market, which will be launched in spring 2026.
West-Wide Governance Pathways Initiative
Pathways Takes Key Step Toward Establishing ROWE
The West-Wide Governance Pathways Initiative’s Launch Committee approved the bylaws and incorporation documents for the organization that will govern CAISO’s energy markets.
Quanta Infrastructure Solutions Group
CAISO, SPP Explore Using Existing Tools to Manage DAM Seams
CAISO and SPP have made “significant progress” on adapting existing tools to tackle seams between the two entities’ respective day-ahead markets, according to a CAISO representative.
Arizona Corporation Commission
Ariz. Regulators Slash APS’ DSM Plan, Express Support for VPP Programs
The Arizona Corporation Commission approved a demand-side management plan for Arizona Public Service that slashed the plan's proposed budget by more than half and eliminated many of its programs.
PG&E
CPUC OKs PG&E Request for 2026 Diablo Canyon Cost Recovery
The California Public Utilities Commission approved Pacific Gas and Electric's request to recover about $382 million from customers to operate the Diablo Canyon Power Plant in San Luis Obispo next year.
U.S. Army Corps of Engineers
BPA Outlines Next Steps in Markets+ Implementation
As the Bonneville Power Administration prepares to join Markets+, the agency hopes to complete the initial program governance setup and define its commercial model for market participation in early 2026.
Tri-State Generation and Transmission Association
West Needs Unified IBR Approach, WIRAB Says
Western state utility commissioners should encourage “standardization and harmonization” to effectively integrate inverter-based resources throughout the region, according to a guide developed by WIRAB and Elevate Energy Consulting.
CAISO
CAISO Ponders DER Market Participation in New Paper
A new CAISO paper lays out a series of challenges around how to improve participation of demand response and distributed energy resources in the ISO's day-ahead and real-time markets.
© RTO Insider LLC
Pathways’ ROWE Could Offer Western RA Program, PGE Says
The West-Wide Governance Pathways Initiative could lead the charge on developing an alternative to the Western Resource Adequacy Program that would integrate with CAISO’s Extended Day-Ahead Market, according to co-Chair Pam Sporborg.

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