Our cooperative approach to a clean grid starts now. 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.

Tri-State statement on the United Power filing

Members are currently evaluating their wholesale power contracts to increase flexibility, including a proposal from United Power.
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Tri-State statement on La Plata Electric Association filing

Tri-State Generation and Transmission Association CEO Duane Highley's statement on the La Plata Electric Association (LPEA) filing.
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Tri-State, national partners to advance low carbon energy use across Colorado

“Beneficial Electrification is one of the central commitments of our Responsible Energy Plan at Tri-State.” said Duane Highley, Tri-State’s CEO.
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1,500 EMPLOYEES

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43 MEMBERS

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5,665 MILES OF LINE

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1.3 MILLION CONSUMERS