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April 24, 2025

seams

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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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RTOs Continue Glacial Pace at Replacing ‘Freeze Date’
MISO, PJM and SPP have failed for years to find a suitable replacement for a 20-year-old system reference they use to portion out flow rights on their system, the so-called freeze date.
The Brattle Group
Markets+ ‘Equitable’ Solution to Seams Issues, Backers Say
Proponents of SPP’s Markets+ contend in their latest “issue alert” that the framework provides a much more equitable solution to tackling market seams than under CAISO’s EDAM.
WECC
SPP’s Experience with Seams Could Help Markets+
SPP attempted to allay concerns about its ability to dispatch power among various Western regions during a webinar intended to illustrate its experience with seams management.

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