NorthWestern Energy and Black Hills Announce Merger of Equals to Create Bright Horizon Energy

July 29, 2026

NorthWestern Energy Group and Black Hills Corporation entered into an all-stock merger agreement that combines the two electric utility operators into an equal partnership. Shareholders approved the merger and multiple regulators (FERC, Nebraska, and South Dakota public utility commissions) have already approved it; Montana regulatory approval remains and the companies expect closing by year-end 2026.

Buyers
NorthWestern Energy Group, Inc. d/b/a NorthWestern Energy, Black Hills Corporation
Targets
NorthWestern Energy Group, Inc. d/b/a NorthWestern Energy, Black Hills Corporation
Industry
Infrastructure
Location
United States
Transaction Type
Buyout

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