NorthWestern Energy

Montana's largest utility announced this week it will acquire 222 megawatts of the Colstrip coal-fired power plant from Washington-based Avista Utilities.

Ann Bukacek's election to the Public Service Commission keeps the board all-Republican.

Environmental organizations and residents near a planned natural gas plant in Laurel are fighting to stop its construction even as it proceeds.

Bob Rowe is retiring after 14 years with Montana's largest electric utility.

The South Dakota and Nebraska subsidiary will become NorthWestern Energy Prairies Corporation, and the Montana subsidiary will keep the name NorthWestern Corporation. Both will fall under a new holding company, NorthWestern Energy Group.

A letter sent to lawmakers, media outlets and others last week from two members of the Montana Public Service Commission cites a “probable lack of energy leading to ‘rolling blackouts’ in eastern Montana this summer" as one reason for state leaders to back the Colstrip coal-fired power plant.

The North American Electric Reliability Corporation’s summer reliability report shows heatwaves affecting energy grids in Montana from June through September.

A NorthWestern Energy contractor is reapplying for a floodplains permit for a planned pipeline in Laurel after Yellowstone County withdrew its permission amid opposition from residents there.

Laurel residents say they're worried a future natural gas plant and supporting infrastructure could hurt the quality of life in their neighborhood.

The groups want the utility company to pay for an ecological assessment on the Madison River, including an inventory of the brown trout population.