Montana Public Radio

Puget Sound Energy

Two new Montana laws that aim to keep the Colstrip coal-fired power plant open and running sparked a lawsuit from plant owners who say the government is intruding on private business dealings.

Montana state regulators will consider NorthWestern Energy’s proposed purchase in a greater share of the Colstrip coal fired power plant in mid December.

The Montana Public Service Commission (PSC) set a hearing date of Dec. 14 at its meeting on Aug. 25.

NorthWestern filed a motion on Aug. 14 to expedite the first hearing on its proposed 92-MGW acquisition in Colstrip unit 4 to November. Intervenors said that’s not enough time for discovery.

PSC staff’s suggested mid December hearing is before newly elected commissioners take their seats.

Power plant at Colstrip, MT.
Beth Saboe / MontanaPBS

Montana's largest coal-fired power plant has begun demolishing equipment as part of a partial closure.

The Colstrip Power Plant started dismantling its Unit 1 and 2 cooling towers in July, the Billings Gazette reported Wednesday.

In the latest step of a long pre approval process, the commission that regulates electric utilities in Montana wants to know how big a share NorthWestern Energy intends to purchase in the Colstrip coal fired power plant.

Courtesy of Confederated Salish and Kootenai Tribes

BILLINGS, Mont. (AP) — Energy Keepers Inc., owned by the Confederated Salish and Kootenai Tribes, has signed a contract to sell hydroelectric power to a Washington state utility.

Montana Coal Power Plant Closing Two Units Built In 1970s

Jan 3, 2020
Power plant at Colstrip, MT.
Beth Saboe / MontanaPBS

BILLINGS, Mont. (AP) — One of the largest coal-fired power plants in the western U.S. will close two of its four units in coming days as the Montana facility edges toward an eventual total shutdown.

Power plant at Colstrip, MT.
Beth Saboe / MontanaPBS

Units 1 and 2 of the coal-fired power plant in Colstrip will permanently close at the end of this year. Plant operator Talen Energy made that announcement in a press release Tuesday, saying the company has been unsuccessful in making the units economically viable. Talen says the plant’s newer units, 3 and 4, will remain open.

Power plant at Colstrip, MT.
Beth Saboe / MontanaPBS

Lawmakers in Helena are starting to debate whether the state could borrow up to $500 million to buy the coal-fired power plant in Colstrip

The future of the plant is up in the air. The West Coast consumers who Colstrip sends most of its power to are pushing away from coal-powered electricity due to climate change concerns. Coal power is also becoming more expensive relative to electricity generated by natural gas and renewables.

Colstrip Co-Owner Offers $4.5M To Help Town Move From Coal

May 17, 2018
Power plant at Colstrip, MT.
Beth Saboe / MontanaPBS

BILLINGS, Mont. (AP) — One of the six owners of the Colstrip power plant is offering $4.5 million in transition funding to the Colstrip community in anticipation of the coal-fired plant shutting down.

Governor Steve Bullock and Attorney General Tim Fox will convene the first meeting Monday of the advisory group formed to address the impact of the closure of two coal-fired power plants in Colstrip.  This panel will help guide the disbursement of $10 million of economic impact funds provided by the owners of the Colstrip Generating Facility.


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