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December 5, 2025

SPP Markets+

Arizona Public Service
Markets+ Backers Highlight Reliability in 2nd ‘Issue Alert’
The integration of Markets+ with the Western Resource Adequacy Program would be among a handful of key reliability benefits of SPP’s Western day-ahead offering, according to an “issue alert” published by 10 entities that backed development of the market.
© RTO Insider LLC
SPP Board of Directors/RSC Briefs: Aug. 5-6, 2024

SPP directors and regulators have approved the grid operator’s first winter planning reserve margin, endorsing a base PRM that is 3 percentage points higher than many of its utilities wanted.

Omnis
Governance is ‘Key Consideration’ for West, Markets+ Backers Say
Governance should be a “key consideration” for the West in the competition between day-ahead electricity markets because the outcome potentially affects $25 billion a year in energy transactions, according to a new “issue alert.”
© RTO Insider LLC
No Clear Blueprint for Western ‘RO’ Stakeholder Process
One thing has become abundantly clear after three intensive workshops this summer: there’s no blueprint for developing the stakeholder process for the “regional organization” envisioned by the West-Wide Governance Pathways Initiative.
SPP
FERC Finds SPP Markets+ Tariff ‘Deficient’ in Several Areas
SPP’s Markets+ hit a snag after FERC issued a deficiency letter outlining 16 problems the RTO must address in the tariff it filed for the proposed Western day-ahead market in March.
© RTO Insider LLC
NW Senators Urge BPA to Delay Day-ahead Market Decision
The senators representing Oregon and Washington urged the agency to delay its decision to join a Western day-ahead electricity market until developments play out further around SPP’s Markets+ and CAISO’s EDAM.
© RTO Insider LLC
BPA Stepping up Participation in Pathways Initiative
The Bonneville Power Administration is ramping up its engagement with the West-Wide Governance Pathways Initiative, an executive with the federal power agency said.
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.
© RTO Insider LLC
Pathways Participants See ‘Pivotal’ Chance to Build New Kind of RTO
The West faces a “pivotal” opportunity to develop a fresh approach to managing its electricity markets, one that could update RTO governance to better accommodate the public policy.
Renewable Northwest
Group Claims Powerex Backing Markets+ to Benefit from Divided West
A new study commissioned by Renewable Northwest says Powerex is poised to benefit if the West ends up divided between CAISO’s EDAM and SPP’s Markets+.

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