If approved, the 85-megawatt combined-cycle facility would retire on or about Oct. 6, 2022.

Upgrades to provide capacity for new, renewable generation resources that support Tri-State’s Responsible Energy Plan

To address uncertainties, co-op will work to demonstrate appropriateness of CTP tariff.

This effort would bring the remaining 20% of Tri-State’s member load into an organized market.

More than two dozen parties agree to Phase I settlement, which sets near-term targets for greenhouse gas emission reductions in Colorado.

Tri-State recently allocated $50,000 to support La Plata Electric Association’s air-source heat pump water heater pilot project.

Tri-State approves the return of $10 million in patronage capital refunds to its members, a hallmark benefit of cooperative membership.

Tri-State has been provided notice by United Power that the distribution cooperative intends to withdraw from membership.

Today, wholesale power supply cooperative Tri-State announced Reg Rudolph will join its senior leadership team in the newly created role of Chief Ener...