More clean energy. Fewer emissions.Learn how we’re transforming with our Responsible Energy Plan.

Tri-State's mission is to provide our member systems a reliable, affordable and responsible supply of electricity in accordance with cooperative principles.

Being a cooperative is more than just our business model. It’s how we approach working together. We share knowledge, listen, collaborate and solve problems together.

Craig Station Unit 2 owners announce retirement date of Sept. 30, 2028

The five owners of the Craig Station Unit 2 have reached a unanimous decision to retire the 410-megawatt generating unit on Sept. 30, 2028
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West End Pay It Forward Trust Announces Resiliency Grant Opportunity

Tri-State donates $500,000 to the West End Pay it Forward Trust, a local endowment fund supporting community development in Montrose County, Colo.
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Tri-State, Delta-Montrose Electric Association close on withdrawal transactions

Tri-State and DMEA have completed the transactions for DMEA to withdraw as a member of Tri-State
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45 Members

5,665 Miles of Line

More than One Million Consumers