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Tri-State Generation and Transmission


Colorado Utility Will Close Last Two Coal Plants

Two coal plants operated by Colorado Springs Utilities (CSU) will close early after the agency’s board voted June 26 to retire the facilities. The move will leave Xcel Energy, Colorado’s…


Utilities Plan to Keep Key Staff Housed at Power Plants

U.S. electric utilities and other energy companies are preparing to have key personnel remain at power plants and operations centers to ensure the facilities remain online during the coronavirus pandemic.…


Moving Toward Mainstream—The Rise of Renewable Goals

More states are setting targets for renewable energy. Cities and counties are joining in. Utilities are formalizing commitments. And economics, as always, play a major role. The transition to clean…


Tri-State Will Close Its Last Coal Units in Colorado, New Mexico

Colorado-based power cooperative Tri-State Generation and Transmission Association on Jan. 9 announced it will retire its lone New Mexico coal-fired unit by the end of this year, and cease operations…


Power Marketer to Tri-State: We’ll Buy and Close Your Coal Plants

A wholesale power provider in Colorado wants to supply the state’s largest electric cooperative with power from mostly renewable sources, saying it will pay Tri-State Generation and Transmission Association to…