BISMARCK, N.D. - A Bismarck company that sells wholesale electricity has completed its purchase of North Dakota's largest coal-fired power plant from .
Ceremony marks completion of North Dakota power plant sale apnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from apnews.com Daily Mail and Mail on Sunday newspapers.
Bismarck-based Rainbow Energy Center finalized the purchase of Coal Creek Station nearly a year after reaching an agreement to acquire the 1,150-megawatt power plant.
A pilot project between Minnesota's second largest supplier of electricity, Great River Energy, and a Massachusetts start-up claims to have a breakthrough in battery technology that would allow for vast expansions of renewable energy on the power grid.