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.

Thirteen Montrose Maintenance Center (MMC) team workers volunteered on a Habitat for Humanity of the San Juans home under construction on Park Avenue ...

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

The Mountain West Transmission Group announced today that it has completed initial discussions with the Southwest Power Pool’s (SPP) management team, ...

Tri-State is upgrading an existing transmission line segment between the Montrose Substation west of Montrose, Colorado, to the Nucla Substation near ...

Tri-State Montrose Employees Club donated $1,000 each to the science department at three local middle schools.

Carolyn Tucker, internal communications specialist, decided to join Tri-State’s National Bike Challenge team following surgery and is looking forward ...