The meeting included the transition of the association’s chief executive officer and the re-election of Executive Committee officers. Member system de...

With 43 members and nearly 1.3 million consumers counting on Tri-State for their power supply, it’s no small task to make sure there’s enough power av...

"A private contract dispute, even between utilities, does not belong at the commission. This matter appropriately belongs in the courts."

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.

In true co-op spirit, 10 Tri-State line techs gave up holidays with family and friends to help restore power to areas hit by California wildfires.