Tri-State has returned approximately $160 million in patronage capital to members in the past eight years. 

The 246-page order affirms in part, reverses in part, modifies in part, and clarifies in part an Initial Decision issued in September 2022.

1,250 MW of additional renewables and battery storage through 2031. Craig Station to retire in 2028; with federal funding, Springerville Unit 3 to ret...

Ceremony at Escalante Solar near Grants, N.M. highlights the installation milestone for near 500,000 panels for the 200-megawatt project.

Terms outline Settlement Agreement for power purchases, sale of utility assets and litigation dismissal.

Agricultural producers and rural small businesses will have greater opportunities for renewable energy and energy efficiency investment.

Funding accelerates grid optimization between Tri-State and its members

SPP will soon be the first to provide full regional transmission organization (RTO) services to the Eastern and Western Interconnections.

Award would deliver significant greenhouse gas emissions reductions, reliability and affordability benefits to membership.