It’s a big job to deliver reliable power to communities across nearly 200,000 square miles of the West, from the high plains to the desert southwest, and from the black hills of Wyoming to the peaks of Colorado.
Explore transmission planning & resources-
200
We have 200 transmission maintenance employees dedicated to infrastructure spanning nearly 200,000 square miles of service territory.
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24/7/365
We staff two real-time power trading desks to buy, sell and monitor power supply and demand for Tri-State 24/7, 365 days a year.
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1,250 mw
We’re adding 1,250 megawatts of renewables and battery storage to meet system needs and emissions goals.
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Making electricity
Our members benefit from a diverse energy portfolio, including low-cost, emissions-free renewables and a reliable fleet of coal and natural gas resources.
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Moving electricity
High-voltage transmission lines carry electricity from generation sites to substations, where voltage is lowered for homes and businesses.
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Environmental compliance
Tri-State’s environmental stewardship is rooted in the strong conservation ethic of our members and the rural communities they serve.
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Managing energy
Energy Markets operates all day, every day to secure a reliable, affordable supply of electricity for Tri-State’s members.
Operational resources
Access tools, data, and operational resources for stakeholders, market participants, and authorized users.
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