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December 5, 2025

Southwest Power Pool (SPP)

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SPP Board of Directors/Members Committee Briefs: Aug. 5, 2025
SPP approved its seventh competitive project under FERC Order 1000, a 19-mile, 115-kV new transmission line with an estimated cost of $45.5 million in the Texas-New Mexico area.
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SPP Board Sets Aside 765-kV Costs, Large Load Policy
SPP’s Board of Directors agreed to defer action on a 765-kV transmission project with a ballooning cost estimate and staff’s large load integration policy, both the source of much stakeholder discussion.
ITC Holdings
FERC Approves SPP Change to IC Interim Service
FERC approved an SPP tariff change that allows interconnection customers without a pending request to ask for interim service when the study cluster’s window is closed.
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SPP Regional State Committee Briefs: Aug. 4, 2025

SPP state regulators have approved a policy that sets criteria for developing joint transmission projects with other RTOs to cost-effectively address persistent market-to-market (M2M) congestion.

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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.
MISO and SPP
MISO, SPP Still on Hunt for Joint Transmission Under CSP
MISO and SPP appear undaunted in their pursuit of a beneficial interregional project after FERC’s rejection of exemptions to their joint study rules.
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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.
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AEP, Xcel ‘Navigate Rapidly Evolving Energy Policy’
American Electric Power and Xcel Energy say clean energy projects are still a part of their plans, despite the hurdles placed in front of them by the federal government’s budget reconciliation bill.
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.

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