EDP Renewables’ Crossing Trails Wind Farm, located in eastern Colorado, is Tri-State’s fifth wind energy project investment

“As CEO, Duane will work with our board of directors to advance a strong vision for the association’s future,” said Rick Gordon, chairman and presiden...

The Colorado Senate congratulated not-for-profit Tri-State on the announcement of 100-megawatt Spanish Peaks Solar Project.

Tri-State is seeking a declaratory judgment concerning Delta-Montrose Electric Association’s efforts to withdraw from the cooperative.

Tri-State will more than double its emissions-free renewable solar energy through a new project with Boulder, Colorado-based juwi Inc.

High-level report by Rocky Mountain Institute cannot accurately forecast Tri-State's future costs.

The City of Boulder signed a contract with Tri-State for the sale of hydroelectric power generated at five of the city’s eight hydroelectric plants.

Tri-State held its 66th Annual Meeting in 2018, with 440 electric cooperative representatives and industry officials in attendance.

A $50,000 grant will improve financial stability, expand entrepreneurial opportunities and increase economic vitality in the West End of Montrose Coun...