Avista Corporation

NorthWestern Energy for the second time in four years says it will adopt Puget Sound Energy’s share in the Colstrip plant as the Washington utility moves away from coal generation.

The Pacific Northwest co-owners of the Colstrip coal-fired power plant are seeking protection from a new Montana law they say hurts their chances at negotiating their business dealings

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.

The Rosebud Mine on Thursday announced it’s renewed a contract to supply Colstrip power plant Units 3 and 4 with coal until 2025.Westmoreland Mining LLC,…

Amid constantly changing closure dates for a power plant majority owned by out-of-state companies, a town that found success through coal is coming to…

One of the owners of the Colstrip power plant Thursday agreed to financially withdraw by 2025.The Billings Gazette reports Avista Corp., which owns 15…

Montana is rich in wind resources, but the demand currently doesn’t support the high cost, according to wind and utility expert.Rob Gramlich of the…

One of the owners of Colstrip Units 1 and 2 denies his company is angling for a fast-track closure of the coal-fired power plants.Steve Secrist, general…