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.

Tri-State supports COVID-19 pandemic relief and recovery funds in four states

Donations totaling $200,000 for coronavirus relief and recovery efforts are being made by Tri-State.
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Tri-State’s actions to respond to the COVID-19 pandemic

In these challenging times, our cooperative principle of Commitment to Community has greater meaning than ever before.
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FERC accepts Tri-State rate filings as cooperative’s board approves greater member contract flexibility

The Federal Energy Regulatory Commission (FERC) today issued orders accepting Tri-State’s tariff filings, ensuring consistent wholesale rate regulatio...
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46 Members

5,665 Miles of Line

1.3 Million Consumers