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 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 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.

The power plant’s other owners are monopoly utilities with captive customers obligated to pay above market prices in exchange for reliability. A Texas company with no other power plants within 1,500 ...

One Colstrip owner is being encouraged to cut the cord on its many coal-fired power plants and go with renewables, mostly for the price. PacifiCorp, which holds the smallest ownership share in ...