Black Hills /
NorthWestern
Black Hills and NorthWestern agree to merge into utility company
Source for the buyer and target: Black Hills Corporation
For the buyer and target.
“This morning, we announced that Black Hills has entered into an agreement to merge with NorthWestern.”
Published 19 Aug 2025
Open the sourceWhat happened
Black Hills has agreed to merge with NorthWestern. Their combination is intended to create a regulated electric and natural gas utility serving approximately 2.1 million customers across eight contiguous states. [01]
The companies expect the merger to take 12 to 15 months to complete, subject to customary closing conditions and approvals. [01]
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Black Hills and NorthWestern agree to merge into utility company
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