Black Hills Energy and NorthWestern Energy announced Tuesday plans to merge their companies to create a regional regulated ...

Video by McKenna Ewen and Laura Coates, CNN Rapid City, South Dakota (CNN) —Nestled in the Black Hills of South Dakota, Rapid City ...

Shares of power producers rose amid deal activity in the sector. Northwestern Energy Group and Black Hills agreed to a $7.8 billion merger, creating a large regulated electric and natural gas utility ...

A new $3 billion data center in North Dakota is set to break ground in September, bringing North Dakota’s data center count ...