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Black Hills Corporation and NorthWestern Energy Group Inc. Announce Proposed Merger

PUBLIC · BKHOct 23, 2026

Acquiring Company

Black Hills Corporation

Acquired Company

NorthWestern Energy Group

Rapid CitySioux FallsEnergyOil And GasRenewable EnergyBiomass EnergyEnergyOil And GasRenewable EnergyBiomass Energy

Description

On October 22, 2026, Black Hills Corporation announced the anticipated name and ticker symbol for the combined company following the proposed merger with NorthWestern Energy Group, Inc. This merger is contingent upon receiving satisfactory final regulatory approval from the Montana Public Service Commission.

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Company Information

Company

Black Hills Corporation

Location

Rapid City, South Dakota, United States

About

Black Hills Corporation is a diversified energy company that provides electricity and natural gas to customers in multiple states. It also operates in the renewable energy sector. The company is known for its commitment to serving communities and maintaining environmental stewardship. Black Hills aims to provide safe and reliable energy services.

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Frequently asked

Who acquired NorthWestern Energy Group?

NorthWestern Energy Group was acquired by Black Hills Corporation, based in Rapid City. The deal was reported on October 23, 2026. Black Hills Corporation is a diversified energy company that provides electricity and natural gas to customers in multiple states. It also operates in the renewable energy sector. Black Hills Corporation is publicly traded (BKH) and operates in Energy.

When did Black Hills Corporation acquire NorthWestern Energy Group?

Black Hills Corporation's acquisition of NorthWestern Energy Group was reported on October 23, 2026. On October 22, 2026, Black Hills Corporation announced the anticipated name and ticker symbol for the combined company following the proposed merger with NorthWestern Energy Group, Inc. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does NorthWestern Energy Group do?

NorthWestern Energy Group, Inc. d/b/a NorthWestern Energy (Nasdaq: NWE) is a company participating in the energy sector, with a focus on expanding regional transmission projects. It is publicly traded (NWE), operating in Energy, and is based in Sioux Falls.

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