February 24, 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.
JPxG, CC BY-SA 4.0, via Wikimedia Commons
CAISO Interconnection Enhancements Proposal Still in Flux

The issue of how to allocate transmission plan deliverability for projects with long lead-time network and reliability upgrades remained the center of discussion at a CAISO Interconnection Process Enhancements Working Group meeting.

Travel Portland
BPA to Fund Phase 2 of Markets+, Agency Exec Says
The Bonneville Power Administration plans to contribute its full share of funding for Phase 2 of SPP’s Markets+, an executive with the federal power agency has said.
Stefan Andrej Shambora, CC BY-2.0, via Wikimedia Commons
WestTEC Committee OKs Plan for ‘Actionable’ Tx Study

The WestTEC steering committee unanimously approved the plan that will underpin a Western transmission study designed to spur development of interregional projects over the next two decades.

Amazon
Collaboration Key to Managing Growing Western Load, Panelists Say
Collaboration among stakeholders will be crucial to maintaining Western grid reliability in the face of increasing demand posed by large loads such as new data centers, speakers said during a webinar hosted by WECC.
Bonneville Power Administration
‘Leaning’ Evident in BPA Response to NW Senators
CAISO’s adoption of the Pathways Initiative’s “Step 1” changes won't overcome BPA’s objections to the governance of the ISO’s EDAM, Administrator John Hairston told U.S. senators from the Pacific Northwest.
The Brattle Group
Brattle New Mexico Study Shows EDAM Benefits Outpacing Markets+
A new study may dispel the notion that New Mexico utilities must follow the day-ahead market choice of their Arizona counterparts in order to realize benefits from market participation.
Garth Weals, CC BY-SA 4.0, via Wikimedia Commons
CAISO IDs More Challenges in Refining Interconnection Process
CAISO dove into Track 3 of its Interconnection Process Enhancements initiative as staff and stakeholders grappled with how to solve problems related to allocating transmission plan deliverability.
Western Power Pool
WRAP Members Vote to Delay ‘Binding’ Phase to Summer 2027
The Western Resource Adequacy Program’s key stakeholder body approved a plan that would postpone the start of its penalty phase by one year, to summer 2027.
Tacoma Public Utilities
3rd ‘Issue Alert’ Compares Pricing Practices in Markets+, EDAM
Enhanced protections against uncompetitive market behavior are among several tools to ensure fair and accurate pricing under a Markets+ framework, according to the latest "issue alert" from entities that back its development.
Bonneville Power Administration
BPA Postpones Day-ahead Market Decision Until 2025
The Bonneville Power Administration will delay its decision on choosing between SPP’s Markets+ and CAISO’s Extended Day-Ahead Market until May 2025.

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