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.
SPP
SPP Clears GI Queue Backlog, Ready for New Process
SPP says it has cleared its backlog of generator interconnection requests that date back to 2018, paving the way for a transition to its “first-in-the-country” Consolidated Planning Process.
Office of Sen. Jeff Merkley
West Coast Senators Urge Passage of Calif. Pathways Bill
Six Western U.S. senators came out in support of the California legislation needed to transform CAISO’s market into an independent regional energy market, saying in a letter to Gov. Gavin Newsom the bill promises "improved grid reliability and significant energy cost savings.”
© RTO Insider 
SPP Board Approves 765-kV Project’s Increased Cost
SPP’s Board of Directors has approved a pair of contentious measures that were put aside during its August quarterly meeting, a tariff change to integrate and operate high-impact large loads and a revised cost estimate for a 765-kV transmission project.
Tri-State Generation and Transmission Association
Tri-State Seeks FERC Approval for Data Center Load Tariff
Tri-State G&T is seeking FERC’s approval for a new tariff designed to manage the heavy volume of data center load expected to materialize in its member utilities’ service territories over the next decade.
SPP
SPP, Members Developing 765-kV Transmission Overlay Plan
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
Western Utilities Set Sights on RTO After DAM Choice
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 MMU: Average WEIS Energy Prices Up in Spring
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.
© RTO Insider LLC
Hepper Replaces Cupparo as SPP Board Chair
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 MOPC Passes Revised Large Load Policy
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 Approves SPP’s Separate Winter, Summer PRMs
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.

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