Under the all-stock deal, NorthWestern shareholders will receive 0.98 Black Hills share for each held. This per-share value ...

Black Hills Energy has announced its merger with another Great Plains utility company in response to what it says is a ...

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

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

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

Black Hills and NorthWestern Energy will merge in an all-stock deal to form a utility provider serving 2.1 million customers across eight states.

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

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

Black Hills upgraded at Bank of America, which believes its strategic positioning following the merger with NorthWestern Energy is an improvement over the standalone company.

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

The combined company will be worth $15.4 billion, based on each company's closing stock price on Monday, and have about 2.1 ...

A gold rush brought settlers to South Dakota’s Black Hills roughly 150 years ago, chasing the dream of wealth and displacing ...