Black Hills Corp. and NorthWestern Energy announced Tuesday an agreement to merge in an all-stock, tax-free transaction ...

The utility will have a market capitalization of approximately $7.8 billion, based on each company’s closing stock price as ...

Black Hills and NorthWestern Energy said on Tuesday they would merge, creating a $15.4 billion regulated electric and natural ...

Black Hills Energy and NorthWestern Energy officials announced Tuesday that the two South Dakota-based companies plan to ...

NorthWestern Energy replaced the mighty Montana Power Co. in 1997, which was headquartered in Butte for decades.

NorthWestern Energy Group and Black Hills have agreed to combine to form a large $7.8 billion regulated electric and natural ...

Black Hills and NorthWestern Energy have entered a definitive agreement that will establish a electric and natural gas ...

Miners want to return to the treasured landscape, promising an economic boost while raising fears of how modern gold ...

Northwestern Energy has announced a significant merger with South Dakota's Black Hills Corp, leading MTN's John to examine ...

NorthWestern shareholders will receive 0.98 shares of Black Hills for each held. Black Hills stockholders would own roughly ...

Energy President and CEO Linn Evans has announced that the Rapid City-headquartered utility company intends to merge with ...

Black Hills Energy has announced it will be merging with Midwest-based Northwestern Energy to form a large $7.8 billion ...