seams

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Debate Lingers After BPA Day-ahead Market Decision
Though BPA removed any uncertainty by selecting SPP’s Markets+ over CAISO’s EDAM, the debate over whether BPA made the right choice likely will heat up as the West confronts a split into two major markets.
Travel Portland
BPA Chooses Markets+ over EDAM
Bonneville's final record of decision will come as little surprise to those who’ve been following market developments in the West.
KFYR-TV
MISO Petitions 8th Circuit in Dispute with SPP over Data Center-strained Flowgate

MISO is seeking judicial review of two FERC decisions preventing the RTO from recouping costs or revising a joint procedure with SPP over a shared North Dakota transmission line that has become congested by a new cryptocurrency mining facility.

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SPP Appoints New Director of Seams and Western Services

SPP has appointed Jim Gonzalez as its new senior director of seams and Western services, in what will be a highly visible position in the RTO as it continues to develop Markets+ ahead of its expected launch in 2027.

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FERC Leaders Focused on Stability amid Political Shifts
FERC Chair Mark Christie and Commissioner Judy Chang downplayed the current political environment’s impact on the agency, saying the commission’s role is to follow the law and ensure the fairness of procedures.
Camano Island Chamber of Commerce
7th ‘Issue Alert’ Highlights Markets+ Footprint
Proponents of SPP’s Markets+ argued in their last “issue alert” that the day-ahead market option provides a robust footprint with “exceptional generation and load diversity” across the region while also claiming recent warnings about its seam with CAISO’s EDAM are overblown.
SPP
PSCo Seeks to Join SPP’s Markets+
Public Service Company of Colorado asked the Colorado Public Utilities Commission for permission to join SPP’s Markets+.
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Day-ahead Seams Issues Could Take Years to Resolve, BPA Staff Says
BPA would have to strike several types of agreements, many of which are complex and could take years to implement, to tackle seams that could arise if BPA joins a day-ahead market, agency staff said during a workshop.
SPP
MISO, SPP to Revise Joint Agreement, Focus on TMEP Process in 2025
MISO and SPP staff told stakeholders that they will not perform a Coordinated System Plan in 2025 but will accept transmission issues for their annual review early in the year.
PacifiCorp
Brattle Study Likely to Fuel Debate over EDAM, Markets+

The white paper by The Brattle Group offers a point-by-point comparison of CAISO’s Extended Day-Ahead Market and SPP’s Markets+ that leans in favor of EDAM but stops short of endorsing either market.


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