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.
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Tri-State Plan Includes Renewables, Batteries and Gas
Colorado regulators have approved Tri-State Generation and Transmission Association’s plan to add 1,657 MW of new resources from 2026 to 2031, despite objections about the inclusion of a new natural gas plant.
© RTO Insider LLC
SPP Celebrates Novel Consolidated Planning Process
SPP’s Board of Directors has approved a tariff change establishing an integrated, three-year transmission planning cycle that represents a “first-in-the-country” mechanism.
© RTO Insider 
SPP’s Rew to Retire After 35 Years in Operations
SPP says its longest-tenured employee, Senior Vice President of Operations Bruce Rew, will retire in December and be replaced by C.J. Brown.
SPP
Colo. PUC Approves PSCo’s Markets+ Participation
The Colorado PUC voted to approve Public Service Company of Colorado's plans to join SPP’s Markets+, with commissioners split on whether the move is a step toward or away from full RTO participation.
WER Architects-Planners
SPP ERAS GI Requests to Begin in September
SPP notified stakeholders that the one-time expedited resource adequacy study process will open its window for fast-track review requests will open in September 2025.
SPP
FERC Approves SPP’s ERAS Process, Accreditation
SPP is celebrating several recent FERC orders that have strengthened its resource adequacy framework that it says will secure a “reliable energy future” for its region.
Colorado PUC
Colorado Commissioners Spar Over PSCo’s Markets+ Choice
Members of the Colorado PUC expressed differing opinions on whether PSCo joining Markets+ would be in the public interest.
© RTO Insider LLC
SPP Strategic Planning Committee Briefs: July 17, 2025
SPP's Strategic Planning Committee has unanimously endorsed staff’s comprehensive approach to accelerate transmission capability, directing them and the RTO's working groups to prioritize the development of policies for all short-, mid- and long-term initiatives.
NextEra Energy Transmission
NextEra Energizes 2nd Competitive Project in SPP
NextEra Energy Transmission completed the second of its three competitive projects in SPP’s footprint, the 92-mile, 345-kV Wolf Creek-Blackberry project in Kansas and Missouri.
© RTO Insider LLC
SPP MOPC Briefs: July 15-16, 2025
SPP stakeholders resoundingly rejected a proposed tariff change to integrate large loads, pushing back against what some say is a rushed process outside of the normal stakeholder structure.

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