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December 5, 2025

Colorado

Xcel Energy
Xcel Seeks Extension for Comanche Coal Plant from Colorado Regulators
Public Service Company of Colorado and the Polis administration want to keep Unit 2 of the coal-fired Comanche Generating Station running a year longer than planned.
JIRSA Hedrick
Split Colo. PUC Approves Xcel Energy’s Markets+ Application
The Colorado PUC issued a split decision approving Public Service Company of Colorado’s application to join SPP’s Markets+, finding that market participation is in the public interest and will “provide a number of benefits.”
PSCo
Xcel Battles Colo. Counties over Transmission Project
Xcel Energy is fighting two counties that are blocking a segment of the company’s Colorado’s Power Pathway 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.
Shutterstock
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.
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.
SPP
Panel Approves SPP Markets+ Phase 2 Governance Transition

The panel of SPP board members overseeing the development of Markets+ has approved the governance transition plan for the construction phase of the day-ahead market. 

AARoads
New Colo. Law to Streamline Siting of Tx Lines Along Highways

Colorado Gov. Jared Polis signed a bill that proponents say will streamline the building of new transmission lines within state highway rights-of-way.

Xcel Energy
Xcel ‘Optimistic’ It Will Handle Tariffs, Trade War
Xcel CEO Bob Frenzel tried to reassure the investment community that the company is better prepared for a trade war and President Trump's tariffs during a first-quarter earnings call.
SPP
PSCo Seeks to Join SPP’s Markets+
Public Service Company of Colorado asked the Colorado Public Utilities Commission for permission to join SPP’s Markets+.

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