Escalante Station
Escalante Station is a 250 MW coal-fired steam electric generating facility that started commercial operation in 1984 in McKinley County, NM. In July 2000, Plains Electric (owner and operator of Escalante Station) and Tri-State merged. In August 2020, the facility burned the last of its coal supply and shut down power generating operations.
2015 Fugitive Dust Control Plan
2021 Fugitive Dust Control Plan Report
2020 Fugitive Dust Control Plan Report
2019 Fugitive Dust Control Plan Report
2018 Fugitive Dust Control Plan Report
2017 Fugitive Dust Control Plan Report
2016 Fugitive Dust Control Plan Report
Groundwater Monitoring System Certification
Statistical Method Selection Certification
Statistical Method Selection Certification Update
2021 Annual Groundwater Monitoring Report
2020 Annual Groundwater Monitoring Report
2019 Annual Groundwater Monitoring Report
Nucla Station
Nucla Station was a 110 MW coal fired steam electrical power generation facility that began commercial operation in 1959 in Montrose County, Colorado. In 1987 the facility was retrofitted with circulating atmospheric fluidized bed combustion equipment to improve plant efficiency, and the Station was acquired by Tri-State Generation and Transmission in 1992. The CCR unit for this facility is an off-site landfill, Nucla Ash Disposal Site. Nucla Station was retired in September 2019. Demolition of the facility began in 2020 and was completed in 2022.
2015 Fugitive Dust Control Plan
2021 Fugitive Dust Control Plan Report
2020 Fugitive Dust Control Plan Report
2019 Fugitive Dust Control Plan Report
2018 Fugitive Dust Control Plan Report
2017 Fugitive Dust Control Plan Report
2016 Fugitive Dust Control Plan Report
2019 Groundwater Monitoring System Certification
2017 Groundwater Monitoring System Certification
Statistical Method Selection Certification
Statistical Method Selection Certification Update
2021 Annual Groundwater Monitoring Report
2020 Annual Groundwater Monitoring Report
2019 Annual Groundwater Monitoring Report
Craig Station
Current CCR handling operations at the Craig Generating Station do not include the use of any CCR units and do not require publication of reports on a publicly-available website.
Contact Us
For more information or if you have questions please contact us at corporate_communications@tristategt.org.