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April 15, 2025

Powerex Corp.

© RTO Insider
BPA Flooded with Comments on Draft Day-ahead Market Decision
The Bonneville Power Administration elicited nearly 150 comments in response to the draft policy outlining its decision to join SPP’s Markets+ rather than CAISO’s Extended Day-Ahead Market.
© RTO Insider
EDAM Congestion Debate Builds Even as CAISO Moves to Address Issue
The dispute over how CAISO’s Extended Day-Ahead Market will allocate congestion revenues to market participants continues, even as the ISO moves to address stakeholder concerns.
CAISO
Fast-paced Effort will Address EDAM Congestion Revenue Issue
CAISO launched an “expedited” initiative to address stakeholder concerns about how EDAM will allocate congestion revenues when a transmission constraint in one balancing authority area causes congestion in a neighboring BAA.
U.S. Army Corps of Engineers
BPA Markets+ Phase 2 Bill Could Reach $27M — or More
BPA will be on the hook for nearly $27 million in funding for the next phase of SPP’s Markets+ — and potentially more depending on the market’s final footprint, according to a document SPP filed with FERC.
© RTO Insider LLC
SPP Secures Funding to Begin Markets+ Phase 2
The RTO said it has received signed Phase 2 funding agreements from eight interested participants in its proposed day-ahead service offering — including the Bonneville Power Administration.
Tacoma Public Utilities
Tacoma Power to Join SPP’s Markets+
Tacoma Power has signed an agreement to join SPP’s Markets+, making the Washington utility the second Pacific Northwest entity to commit to participating in the market in the past month.
Powerex
Powerex Paper Sparks Dispute over EDAM ‘Design Flaw’
The new paper from Powerex is likely to reignite the debate between supporters of CAISO’s Extended Day-Ahead Market and SPP’s Markets+ just as the competition between the two markets approach critical junctures.
© RTO Insider LLC
SPP Sets Deadline for Markets+ Funding Agreements

Financial backers of Phase 2 of SPP’s Markets+ have until Feb. 14 to submit executed funding agreements, the RTO said.

Hydro-Québec
Uncertainty Remains Around Energy Tariffs amid Last-minute Deals
As the Trump administration forged last-minute agreements with Canada and Mexico to postpone steep new tariffs, the energy industry fretted about potential fallout for cross-border supply chains and wholesale electricity markets 
CAISO
WEIM Q4 Benefits Exceed $374M
CAISO's Western Energy Imbalance Market provided participants $374.25 million in benefits during the fourth quarter of 2024, down about 4% from the same period a year earlier, according to an ISO report.

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