SPP
Markets+Other SPP CommitteesSPP Board of Directors & Members CommitteeSPP Markets and Operations Policy CommitteeSPP Regional State CommitteeSPP Seams Advisory GroupSPP Strategic Planning CommitteeWestern Energy Imbalance Service (WEIS)
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.
SPP
SPP and its members are working together on a draft 765-kV transmission overlay as part of its 2025 Integrated Transmission Planning assessment that will dwarf 2024's record study.
PG&E
Four Western utility executives participating in an Energy Bar Association webinar presented their reasoning for why they ultimately chose either SPP’s Markets+ or CAISO’s EDAM, with some eyeing the creation of a full regional transmission organization in the future.
SPP MMU
SPP’s Market Monitoring Unit says in its latest report that the Western Energy Imbalance Service market’s average load energy prices rose “significantly” during the spring quarter of 2025.
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Vice Chair Ray Hepper has been serving as the SPP Board of Directors' chair in place of John Cupparo, who is stepping away from the position's time requirements.
SPP
SPP stakeholders have approved a revised version of the grid operator’s fast-track study to integrate high-impact large loads during a special virtual meeting of the Markets and Operations Policy Committee.
SPP
FERC has approved SPP’s tariff revision that establishes separate planning reserve margins for the summer and winter seasons, saying it will provide “more granularity” by recognizing the reliability differences between the two seasons.
NorthWestern Energy
The proposed merger between Black Hills Corp. and NorthWestern Energy likely will reshape the map in the competition between CAISO’s Extended Day-Ahead Market and SPP’s Markets+ — but it’s still too early to know where new boundaries will be drawn.
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The development of SPP's Markets+ has picked up the pace with stakeholders agreeing on an interim governance structure and representation on the working groups that will handle much of the effort ahead.
Aurora Energy Research
A new report urges SPP to accelerate its interconnection process and reform market rules to allow greater buildout of energy storage.
DOE
Trade organizations for utilities and large energy consumers seek to intervene in the lawsuit filed in the 9th Circuit Court of Appeals challenging the Bonneville Power Administration’s decision to join SPP’s Markets+ instead of CAISO’s EDAM.
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