Good to see firming up of earlier closure dates. There are now only a few Western coal units that do not have a future retirement date.
The five utilities that own Unit 2 at the plant said they have unanimously decided to retire the 410-megawatt generating unit on Sept. 20, 2028. It previously had been expected to close anywhere from 2026-2030. Its closure is expected to result in the closure of the nearby Trapper Mine, for which the plant is its sole customer.
Early this year, Tri-State Generation and Transmission Association, Craig Station’s operator and co-owner, said it plans to close the plant altogether by 2030, along with the Colowyo Mine, another local coal mine that also supplies the plant.
The power plant ownership is complicated. Generating Units 1 and 2 are owned by PacifiCorp, Platte River Power Authority, the Salt River Project, Tri-State and Xcel Energy-Colorado. They previously announced the retirement of the 427-megawatt Unit 1 by the end of 2025 under an agreement with regulators to address regional haze problems.