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NorthWestern to merge with Black Hills Energy

PUBLIC · NWEMay 06, 2026

Acquiring Company

NorthWestern Energy Group

Acquired Company

Black Hills Corporation

Sioux FallsRapid CityEnergyOil And GasRenewable EnergyEnergy ManagementBiomass EnergyManufacturingEnergyOil And GasRenewable EnergyBiomass Energy

Description

NorthWestern Energy is set to merge with Black Hills Energy to increase competitiveness in capturing data center opportunities. This merger will expand the combined service territory to include approximately 1.35 million additional customers. The new utility monopoly, Bright Horizons Energy Corporation, will operate in eight states and raise concerns over transparency and impacts on local communities.

Quick answer

NorthWestern Energy Group is acquiring Black Hills Corporation, announced May 6, 2026. NorthWestern Energy Group is based in Sioux Falls, South Dakota, United States.

How much did NorthWestern Energy Group pay for Black Hills Corporation?
The deal value was not disclosed.
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.
Where are NorthWestern Energy Group and Black Hills Corporation based?
NorthWestern Energy Group is based in Sioux Falls, South Dakota, United States. Black Hills Corporation is based in Rapid City, South Dakota, United States.
Who are the decision-makers at NorthWestern Energy Group?
Fundz holds 1 contact at NorthWestern Energy Group. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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Company Information

Company

NorthWestern Energy Group

Location

3010 West 69th Street

Sioux Falls, South Dakota, United States

About

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.

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Frequently asked

Who acquired Black Hills Corporation?

Black Hills Corporation was acquired by NorthWestern Energy Group, based in Sioux Falls. The deal was reported on May 6, 2026. 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. NorthWestern Energy Group is publicly traded (NWE) and operates in Energy.

When did NorthWestern Energy Group acquire Black Hills Corporation?

NorthWestern Energy Group's acquisition of Black Hills Corporation was reported on May 6, 2026. NorthWestern Energy is set to merge with Black Hills Energy to increase competitiveness in capturing data center opportunities. This merger will expand the combined service territory to include approximately 1.35 million additional customers. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Black Hills Corporation do?

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. It is publicly traded (BKH), operating in Manufacturing, and is based in Rapid City.

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