Colstrip Power Plant, one of the largest electricity generators in the northwestern United States, has been shut down for at least a month because of air pollution problems, The Billings ...

Nearly 50 coal-fired power plants are now exempt from some federal emission requirements. On that list is a power plant in Colstrip. A decision by President Donald Trump will allow the Colstrip ...

Colstrip Power Plant continues to struggle with air pollution problems, 43 days after hazardous emissions shut down the coal-fired facility's largest generators. Levels of the hazardous air pollutants ...

An estimated $20 million in needed repairs to Colstrip Power Plant Unit 4 has raised concerns about the life of the generator, according to regulatory filings in Washington state. The superheated ...

The Montana Public Service Commission on Tuesday voted 3-2 to stop NorthWestern Energy from passing on costs related to a 2013 outage at the Colstrip power plant to consumers through a rate increase.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A recent op-ed on the Colstrip power plant mischaracterizes recent EPA actions and downplays the ...

The sign for Rosebud coal mines, owned by Westmoreland (Photo by Darrell Ehrlick of the Daily Montanan). The federal government this week announced the approval of a massive expansion for the ...

The recent guest view on the Colstrip power plant (Ravalli Republic May 8) mischaracterizes recent EPA actions and downplays the critical role for Colstrip in Montana. Labeling Colstrip “the dirtiest ...

The recent guest view on the Colstrip power plant mischaracterizes recent EPA actions and downplays the critical role for Colstrip in Montana. Labeling Colstrip “the dirtiest coal plant in the nation” ...

Fans of solar energy celebrated last week in Helena after the Public Service Commission rejected a utility's plan that would have priced most Montanans out of the residential solar panel market. PSC ...

Colstrip Power Plant (Photo by Darrell Ehrlick of the Daily Montanan). What is it about top executives in monopoly utilities that makes them want to play cowboy capitalists? Case in point is ...