Search
December 22, 2025

Southwest Power Pool (SPP)

SPP Stakeholders Dig into WEIS Market Study
SPP offered stakeholders a deep dive into an analysis of the RTO’s Western regional market that projects millions in savings for members.
High Marks for SPP’s Performance in 2020
SPP staff said that stakeholders’ overall satisfaction with the RTO’s services and performance rose during 2020, even as survey responses dropped.
SPP WEIS Stakeholders OK Final Test
SPP’s WEIS stakeholders voted to move forward with parallel operations, the final test before the WEIS market’s planned February launch.
SPP Seams Steering Committee Briefs: Nov. 12, 2020
SPP staff have been meeting with MISO staff as they scope the RTOs' joint transmission study of potential projects along their seam.
Western Utilities Eye RTO Membership in SPP
SPP signaled it may be on the verge of further expanding its footprint, as several Western utilities are committed to evaluating membership.
MISO West Risks Becoming ‘Dead Zone,’ Stakeholders Warn
MISO stakeholders said another round of expensive system upgrades would render its West planning region a “dead zone” for new generation.
MISO to File Midwest-South Tx Rate Extension
MISO will file at FERC to extend a rate schedule that determines what market participants pay for using its Midwest-to-South transmission path
SPP MMU: Summer Load up 2% in 2020
This summer’s average hourly load in the SPP footprint was 2% higher than the year before, according to the MMU’s quarterly report.
SPP Board of Directors/MC Briefs: Oct. 27, 2020
SPP’s Board of Directors approved 2021 operating & capital budgets that bend to the realities of COVID-19 and its potential economic impacts.
Mixed FERC Rulings for SPP Compliance Filings
FERC approved SPP’s affected-system order compliance filing and the RTO's proposal to revise its fast-start pricing practices.

Want more? Advanced Search