Colstrip Steam Electric Station

The state of Montana this week announced the operator of the Colstrip coal fired power plant will fully remove coal ash ponds that have been leaking millions of gallons of wastewater a year from the plant’s two now retired units.

A proposed sale at the Colstrip coal-fired power plant has fallen through after owners say they faced barriers to the agreement.

Two candidates facing off for a Montana U.S. Senate seat in the upcoming November election recently highlighted their carbon capture initiatives.

The company that operates the Colstrip coal fired power plant is proposing to partially excavate waste ponds that have been contaminating groundwater for decades.

The operator of the Colstrip coal-fired power plant submitted its cleanup plan for parts of the plant it shuttered early this year.

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

Montana is approving part of a plan to clean up groundwater contaminated by waste storage ponds at the Colstrip coal fired power plant after receiving…

Hearing sessions across Montana over the last month have given ratepayers of the state’s largest electric utility the chance to sound off on the company’s…

A part owner of the Colstrip coal-fired power plant in eastern Montana confirmed Thursday that two of the plant’s four units are closing this week.On…