On Dec. 1, Tri-State will submit an electric resource plan to Colorado Public Utilities Commission that includes an 80% reduction in greenhouse emissi...

Tri-State’s participation in a Western Interconnect RTO is essential to advance our members’ reliability, affordability and clean energy goals.

Tri-State will be submitting a “preferred scenario” to reduce emissions associated with its wholesale electricity sales in Colorado by 80% by 2030.

Tri-State Generation and Transmission Association applauded a decision today by the Colorado Public Utilities Commission (CPUC) to dismiss a complaint...

Members of not-for-profit interstate power supplier Tri-State Generation and Transmission Association will soon have expanded opportunities to pursue ...

Tri-State announced today its ambitious goal to lower wholesale rates, dramatically increase its renewable resources and reduce emissions

In recent weeks, some have misinterpreted the 'business as usual' scenario in a resource assessment filing Tri-State made in June 2020 with the Colora...

Tri-State's relationship with EPRI is about to bear fruit - perhaps literally - for students and the Craig community

Tri-State will begin construction of the final portion of the Nucla-Cahone transmission line at the Dolores River Canyon