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February 24, 2025

SPP

The Southwest Power Pool is a regional transmission organization that coordinates the reliability of the transmission system and balances electric supply and demand in all or parts of Arkansas, Colorado, Iowa, Kansas, Louisiana, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas and Wyoming.
Western Area Power Administration
MISO Argues to FERC for 2nd Look at Crypto-stressed Flowgate Management
MISO wants FERC to reconsider its decision to let a jointly managed flowgate with SPP stand, with the RTO arguing the North Dakota cryptomining facility burdening the line is SPP’s responsibility alone.
Powerex
Powerex Contests Brattle’s EDAM/Markets+ Comparative Study
The study comparing key features of CAISO’s EDAM and SPP’s Markets+ contains “several material misstatements of facts” and overlooks evidence “directly contrary to its conclusions,” Powerex contends.
The Brattle Group
Brattle Study Finds EDAM Gains, Markets+ Losses for BPA, Pacific NW
BPA would earn $65 million in annual benefits from joining CAISO’s EDAM but face $83 million in increased yearly costs from participating in SPP’s Markets+, according to a new Brattle study.
SPP
FERC Issues Deficiency Letter for SPP’s RTO West Tariff
FERC issued a deficiency letter over SPP’s proposed revisions to its tariff, bylaws and membership agreements intended to facilitate nine western entities’ RTO membership as transmission owners.
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.

© RTO Insider LLC 
SPP’s Desselle to Retire After 18 Years at RTO
Michael Desselle, SPP vice president and chief compliance and administrative officer, is retiring after 18 years with the RTO and 40 in the industry.
© RTO Insider LLC
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.
KFYR TV
FERC Refuses MISO, MDU Complaints Regarding Crypto-strained MISO-SPP Flowgate
FERC dismissed separate complaints from MISO and Montana-Dakota Utilities Co. over a MISO-SPP flowgate chronically stressed by a North Dakota cryptocurrency mining operation.
MISO, SPP
MISO, SPP Try Again to Find Joint Seam Projects
After five fruitless attempts to agree on joint transmission projects across their seams, MISO and SPP will use what they call a “blended joint model” in parallel with existing SPP and MISO regional models.

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