Articles from Black Hills Corporation; NorthWestern Energy Group, Inc.

Black Hills Corp. and NorthWestern Energy to Combine in All-Stock Merger to Create a Premier Regional Regulated Electric and Natural Gas Utility Company

Increased scale and business line diversity to result in a stronger, more resilient platform to safely, reliably, and cost-effectively meet customers’ rising energy needs

By Black Hills Corporation; NorthWestern Energy Group, Inc. · Via GlobeNewswire · August 19, 2025