TSGTA News: Nucla Station retires from service

  • Tri-State announces that Nucla Station officially retires from service on Thursday.
  • 100-megawatt facility in Western Colorado meets early requirement for retirement under Colorado’s State Implementation Plan, which addresses regional haze visibility.
  • Company to provide $500,000 to community to support plant closure transition.

(September 19, 2019 – Westminster, Colo.) The Nucla Station, a 100-megawatt, coal-fired power plant in Western Colorado operated by Tri-State Generation and Transmission Association, officially retired from service as a coal plant today, the cooperative announced. The end of generation occurred as the facility exhausted its remaining on-site fuel supply earlier in the month.

With the retirement, Tri-State meets its deadline for ending plant operations under Colorado’s regional haze visibility State Implementation Plan. The facility, which had its final run of generation July 11 through Sept. 9, was set to be retired by the end of 2022.

As part of the transition to closure, Tri-State is providing $500,000 over the next five years in community support during the retirement.

“While our generating station has been a significant part of Nucla and Naturita communities for many years, it made the most sense to come offline at this time in a controlled fashion, while maintaining compliance with all of our federal and state environmental regulations,” said Duane Highley, Tri-State chief executive officer. “We will support the remaining employees at the plant and the community during this transitional period of decommissioning and dismantling the facility.”

Nucla Station, which began operations in 1959, currently has 35 employees who will continue at the plant and immediately commence work on pre-decommissioning activities. Dismantling of the facility is expected to begin during the first half of 2020.

Nucla Station has the distinction of being the world’s first utility-scale power plant to utilize atmospheric circulating fluidized bed combustion, which achieved 70% capture of sulfur dioxide emissions and reduced the formation of nitrogen dioxide. The technology still is used today around the world to achieve lower emissions from power plants.

Tri-State announced the early retirement of Nucla on July 17, as part of its transformative Responsible Energy Plan. Tri-State is aggressively pursuing its plan, which will transition the cooperative to a cleaner energy portfolio while ensuring reliable, affordable and responsible generation to its 43 member cooperatives and public power districts. The Responsible Energy Plan will increase member flexibility, with an overall goal to lower wholesale rates.

About Tri-State Generation and Transmission Association

Tri-State’s mission is to provide reliable, affordable and responsible power in accordance with cooperative principles. Tri-State’s membership includes 43 distribution cooperatives and public power districts that collectively serve 1.3 million people across nearly 200,000 square miles of the West, including the states of Colorado, Nebraska, New Mexico and Wyoming. For more information, visit http://www.tristate.coop .


By Tucker Allmer - The BARN

Tucker Allmer & the BARN are members of the National Association of Farm Broadcasting (NAFB), the Colorado FFA Foundation, the Colorado 4H Foundation, the Colorado Farm Show Marketing Committee, 1867 Club Board Member, Denver Ag & Livestock Club Member, the Weld County Fair Board, the Briggsdale FFA Advisory Council, Briggsdale 4H Club Beef Leader & Founder / Coordinator of the Briggsdale Classic Open Jackpot Show.

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