# NorthWestern Energy

NorthWestern Energy is a Corporate Investor based in Sioux Falls, United States.

## Overview

- **Organization type:** Corporate Investor
- **Headquarters:** Sioux Falls, United States
- **Region:** North America
- **Address:** 3010 West 69th Street, Sioux Falls, SD 57108, United States
- **Founded:** 1923
- **Assets under management:** Undisclosed
- **Website:** northwesternenergy.com
- **LinkedIn:** https://www.linkedin.com/company/northwesternenergy
- **Wikidata:** Q7053620

## Regulatory record

- **Reports private funds:** No

## About

Together, we’re working to deliver a bright future. As your energy company, we do so much more than make sure your lights and heat come on. We’re proud to be a part of the communities we serve and honored to give back.

## Sectors

- Energy Transition & Renewables
- Infrastructure
- Utilities

## Offices

- Butte, MT

## People

- Brian B. Bird — President and Chief Executive Officer

## Questions

### Who runs investment decisions at NorthWestern Energy?

Capital allocation follows the regulated utility model: CEO Brian Bird and the executive team set the integrated resource plan, which must gain approval from Montana, South Dakota, and Nebraska public service commissions. The board, reshaped by Elliott Management in 2023, holds final authority on major M&A and capex programs.

### How is Elliott Investment Management involved with NorthWestern?

Elliott disclosed a significant stake in 2023 and pushed for operational improvements. The firm secured board representation and influenced the strategic direction that culminated in the August 2025 Black Hills Corp. merger announcement. Elliott framed the utility as an under-earning asset relative to its regulated rate-base potential.

### What does NorthWestern Energy actually own?

The company owns 11 hydroelectric facilities, the 175-MW Yellowstone County Generating Station, a partial stake in the Colstrip coal-fired plant, natural gas reserves, and the North Plains Connector transmission project. Its rate base covers roughly 6,400 MW of owned and contracted generation capacity across Montana, South Dakota, and Nebraska.

### Where does NorthWestern Energy's revenue actually come from?

Revenue derives from rate-regulated electric and natural gas service to 775,000 customers across Montana, South Dakota, and Nebraska. Unlike an investment fund or family office, cash flow is generated by state-approved retail tariffs, not carried interest, management fees, or portfolio realization events.

### What investment stages or sectors does NorthWestern Energy target outside its utility base?

NorthWestern does not make third-party venture, growth, or buyout investments. All capital is deployed into its own rate-base assets. The company has no disclosed venture arm, innovation fund, or minority investment program.

## Related profiles

- [Northwest Financial Advisors (NWFA)](https://altss.com/profile/northwest-financial-advisors-nwfa)
- [Northwestern Memorial HealthCare Retirement Plan](https://altss.com/profile/northwestern-memorial-healthcare-retirement-plan)

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Last updated: 2026-06-03T20:00:00.000Z

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