Northwestern energy headquarters details
3010 W 69th St
Sioux Falls
South Dakota
57108-5613
United States
1923
Location map
Open in Google MapsAll Northwestern energy office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Sioux Falls HQ | South Dakota | United States | Headquarters |
About Northwestern energy
Northwestern energy (Nasdaq (NASDAQ): NWE) is headquartered in Sioux Falls, South Dakota, United States. Founded in 1923, the company operates across 2 countries with approximately 1,667 employees worldwide.
Where is Northwestern energy's main office?
Northwestern energy's main headquarters office is located at 3010 W 69th St, Sioux Falls, South Dakota 57108-5613. This serves as the company's primary corporate address and is home to its executive leadership team.
Northwestern energy regional offices
Beyond its headquarters in Sioux Falls, Northwestern energy maintains 57 offices across 2 countries. Regional offices span 2 countries.
Northwestern energy contact information
The main switchboard for Northwestern energy headquarters can be reached at 16059782900. For investor relations, visit northwesternenergy.com/investor-relations.
What does Northwestern energy do?
Northwestern Energy Group, Inc., doing business as NorthWestern Energy, operates as a utility company. The Company engages in generating and distributing electricity and natural gas to residential, commercial, and industrial sectors. NorthWestern Energy serves customers in the States of South Dakota, Nebraska, and Montana.
Frequently asked questions
Where is Northwestern energy headquarters?
Northwestern energy's headquarters is located at 3010 W 69th St, Sioux Falls, South Dakota 57108-5613, United States.
How many offices does Northwestern energy have?
Northwestern energy operates 57 offices across 2 countries as of 2026.
What is Northwestern energy's corporate address?
The official corporate address is 3010 W 69th St, Sioux Falls, South Dakota 57108-5613.
When was Northwestern energy founded?
Northwestern energy was founded in 1923 and has grown to employ approximately 1,667 people worldwide.
What is Northwestern energy's phone number?
The main phone number for Northwestern energy headquarters is 16059782900.