Our Company

For more than 100 years, NorthWestern Energy has been committed to delivering safe, reliable and innovative energy solutions.

We serve gas and electric to customers in the western two-thirds of Montana and eastern South Dakota. We also have gas service in Nebraska, and serve electricity to Yellowstone National Park.

We own and operate a diverse generation fleet of wind, water, natural gas and coal-fired resources and the high-voltage electric transmission system and distribution system. We also own and operate natural gas production, transmission and distribution systems.

Enriching Lives Through a Safe, Sustainable Energy Future

Enriching Lives Through a Safe, Sustainable Energy Future

NorthWestern Energy has provided reliable and affordable electricity and natural gas to customers in Montana, South Dakota and Nebraska for more than 100 years.

Our Commitment to Sustainability

Sustainability means meeting today’s needs while planning for tomorrow’s as well. It is not just a matter of good environmental practices, being a sustainable enterprise must also incorporate social and governance best practices.

Our vision

Enriching lives through a safe sustainable energy future.

Our mission

Working together to provide safe, reliable and innovative energy solutions that create value for customers, communities, employees, and investors.

Our values

SERVICE: Safety, Excellence, Respect, Value, Integrity, Community, Environment

Our Natural Gas and Electric Service

NorthWestern Energy serves 318 communities in Montana, South Dakota and Yellowstone National Park with safe and reliable electricity. We serve natural gas to 183 communities in Montana, South Dakota and Nebraska.

Our Hydro Facilities

Our carbon-free hydro system is the foundation of our energy generation portfolio in Montana. In 2021, 33% of our electricity for Montana customers came from our hydro facilities.

Giving Back to Our Communities

NorthWestern Energy is committed to being a good corporate citizen of all the communities we serve. In 2021, we gave $1.8 million in charitable donations and community support.

We Are NorthWestern Energy

We Are NorthWestern Energy

We are committed to making energy more dependable and affordable. We are unwavering in our dedication to create a future that is undeniably, and reliably, bright.

Where Does Your Energy Come From?

We provide safe, reliable energy through a balanced mix of clean energy and traditional resources.
A row of air conditioners sit outside condos

NorthWestern Energy offers tips to manage summer energy use

Date: Jun 4, 2021

TYPE: News

Sioux Falls, S.D. – June 4, 2021 – High temperatures are in the forecast in South Dakota and NorthWestern Energy reminds customers there are ways to manage energy use during the heat.

“With schools out for summer vacation and many people continuing to work remotely, South Dakotans may have more people spending more time at home this time of year,” said Community Relations Manager Tom Glanzer. “There are several things you can do to reduce your energy use and those actions can added up and result in savings on your energy bill.”

If you use air conditioning, keep the thermostat set at the highest temperature that is comfortable. Install a programmable thermostat to adjust the temperature during hours no one is home and at night.
Keep drapes and blinds on windows closed.
Limit the use of the oven and stove and prepare meals on the grill outside if possible.
Check you hot water heater’s temperature to make sure it is safe and efficient – 120 degrees in plenty.
Clean you dryer’s vent once a month so that it operates efficiently.

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About NorthWestern Energy (Nasdaq: NWE)

NorthWestern provides electricity and / or natural gas to approximately 743,000 customers in Montana, South Dakota, and Nebraska. We have generated and distributed electricity in South Dakota and distributed natural gas in South Dakota and Nebraska since 1923 and have generated and distributed electricity and distributed natural gas in Montana since 2002. More information on NorthWestern is available on the company’s website at www.northwesternenergy.com.

Media Contact:
Tom Glanzer