BILLINGS — One of Montana’s largest coal-fired power plants has begun part of its demolition.
The Colstrip Power Plant started dismantling its Unit 1 and 2 cooling towers in July, The Billings Gazette reported Wednesday.
Units 1 and 2 of the facility built in the 1970s were to be retired no later than 2022 as part of a settlement in an air pollution lawsuit against the plant.
Owners Talen Energy and Puget Sound Energy chose to close the units two years before the deadline imposed by a 2016 settlement between Colstrip’s six owners and the Sierra Club in conjunction with the Montana Environmental Information Center.
The work begins a little over a year after owners Talen Energy and Puget Sound Energy said it was not economical to keep running the units, which shut down day-to-day operations in January.
The power plant is located in Colstrip, Montana, roughly 120 miles (193 kilometers) from Billings.
Units 3 and 4 remain in operation, though four of the power plants’ owners face coal power bans in Washington and Oregon beginning in 2025. Puget Sound Energy has put its share of Unit 4 for sale. Fellow owners PacifiCorp and Avista Corp. have agreed to limit spending on the units in the next three years.
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