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March 17, 2026

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.
U.S. Army Corps of Engineers
BPA’s Exit from WEIM Necessary for Markets+ Preparation, Staff Says
The Bonneville Power Administration’s planned departure from the Western Energy Imbalance Market has prompted questions about how the agency will handle the yearlong period before it joins SPP’s Markets+.
SPP
SPP RTO Expansion Members Affirm April 1 Go-live
Future participants in SPP’s RTO expansion into the Western Interconnection have affirmed their support to meet the April 1 go-live deadline with a unanimous vote of support.
U.S. Army Corps of Engineers
BPA Releases Draft Decision Solidifying Markets+ Choice
BPA released its draft proposed decision to join SPP’s Markets+, saying that preparations have advanced to a point where it can “move forward with implementation and propose joining Markets+ in October 2028.”
© RTO Insider 
EDAM Governance Questioned During NV Energy Hearing
As Nevada regulators consider NV Energy's request to join CAISO's Extended Day-Ahead Market, the debate over the independence of EDAM's governance is intensifying.
© RTO Insider
‘With the Skill to Survive,’ SPP Faces ‘Massive Challenges’
“Massive change, massive challenges, massive opportunities,” SPP CEO Lanny Nickell said in kicking off the grid operator's second Energy Synergy Summit that focused on meeting data center growth.
MISO and SPP
MISO, SPP Draft New Joint Portfolio that Could Run $3.6B
MISO and SPP put forth two potential, 500-kV joint transmission portfolios valued at either $1.3 billion or $3.6 billion to beef up their transfer capability.
© RTO Insider 
SPS’ Rodriguez Named AEP Texas’ President, COO
American Electric Power named Southwestern Public Service Co.’s Adrian Rodriguez president and COO of AEP Texas, the company announced.
© RTO Insider 
California’s Anxiety is not About Seams; It’s About Control
For the first time in years, California’s grip on Western market design is genuinely at risk, writes Nick Myers of the Arizona Corporation Commission.
© RTO Insider 
Top CAISO, SPP Executives Talk Competition and Collaboration
Conversations remained cordial despite the ongoing competition between CAISO and SPP in the west as the RTOs’ top executives took the stage at Yes Energy’s annual EMPOWER conference.
© RTO Insider
MISO, SPP Collaborate on Their ERAS Proposals
MISO and SPP credited interregional collaboration with helping them win FERC's approval of their expedited study processes.

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