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December 5, 2025

Western Interstate Energy Board (WIEB)

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Updated: SPP Markets+ Cruising Through Early Development
SPP says the development of its Markets+ day-ahead market in the West is proceeding on time and under budget, with the hard part yet to come.
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Speculative Data Centers Highlight Need for Effective Forecasting, Experts Say
Utilities face significant forecasting risks from large loads, prompting the industry to develop various strategies to eliminate speculative projects, experts said during a Western Interstate Energy Board webinar.
ITC Midwest
CREPC TC Issues 1st Cost Allocation Study
CREPC TC, in collaboration with Energy Strategies, issued its first transmission cost allocation study to provide the Western electricity industry with guidelines on how to tackle the thorny issue.
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CREPC TC Close to Wrapping Up Cost Allocation Study

The CREPC Transmission Collaborative is wrapping up work on a cost allocation study, while another transmission expansion coalition study is behind schedule, staff said during the Western Interstate Energy Board’s annual meeting.

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Feds Pause $1M Pathways Initiative Funding, Group Leader Says
The federal government has put on hold nearly $1 million in funding toward the development of a new independent Western RO to oversee CAISO’s WEIM and EDAM, the West-Wide Governance Pathways Initiative’s Launch Committee said.
Kevin Dooley, CC BY-SA-2.0, via Wikimedia Commons
Western Market Developers Compare Approaches to GHGs
On the surface, CAISO’s Extended Day-Ahead Market and SPP’s Markets+ will take similar approaches to accounting for greenhouse gas emissions — but important differences remain.
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.

Arizona Public Service
Markets+ Backers Highlight Reliability in 2nd ‘Issue Alert’
The integration of Markets+ with the Western Resource Adequacy Program would be among a handful of key reliability benefits of SPP’s Western day-ahead offering, according to an “issue alert” published by 10 entities that backed development of the market.
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Western Pathways Initiative Sets Budget, Seeks Funders
Backers of an effort to create the framework for an independent Western RTO know how much money they’ll need to get things off the ground, and they’re seeking funders.
Nevada Vanadium Mining Corp.
Study Examines Critical Minerals Potential in West
Western Interstate Energy Board member states backed the research project exploring the region's potential for supplying the minerals needed for U.S. energy transition.

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