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Colstrip Power Plant Ownership Increase and Energy Supply Expansion

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Source: NBC Montana

Project
Planned

NorthWestern Energy is increasing its ownership stake in the Colstrip Power Plant from 15% to 55% as of January 2026, which will provide an additional 590 megawatts of power to serve Montana customers reliably in all weather conditions at affordable rates. The plant currently serves as a bridge while new energy technologies are developed. The company aims to become carbon neutral by 2050 and is ex

Status
Prospective
Sector
Nuclear, Bridge, Power Generation (CCGT)
Location
Colstrip, Montana, United States of America
Updated
22 Jul 2026
Source
NBC Montana

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Project Information

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The project “Colstrip Power Plant Ownership Increase and Energy Supply Expansion” is an infrastructure initiative in the Nuclear sector, located in Colstrip, Montana, United States. Taiyo aggregates data on it from NBC Montana.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

NorthWestern Energy is increasing its ownership stake in the Colstrip Power Plant from 15% to 55% as of January 2026, which will provide an additional 590 megawatts of power to serve Montana customers reliably in all weather conditions at affordable rates. The plant currently serves as a bridge while new energy technologies are developed. The company aims to become carbon neutral by 2050 and is exploring small modular nuclear reactors as a future energy source.

Original sector

Energy

Location

Country

United States of America (USA)

State

Montana

City

Colstrip

Source

Source

NBC Montana

URL

More Details

Record type

Project

Sector

Nuclear, Bridge, Power Generation (CCGT)

Article published date

2025-11-15

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