NorthWestern Energy historically has had rates that are among the lowest in the nation. If you are planning to relocate your family or business, this information may help you estimate the cost difference of your monthly electricity and/or natural gas bill.
Residential Electric Monthly Costs - January 2025
- 750 kWh Bundled Service - Supply & Delivery Costs
- U.S. National Average - $134/month
Source: Edison Electric Institute Typical Bills and Average Rates Report, Jan. 1, 2025. EEI releases this report twice a year - in January and July.
Residential Natural Gas Average Monthly State Costs - March 2025
- Bundled Service - Supply & Delivery Costs
- Monthly Cost for 100 Therms - As of March 2025
- U.S. National Average - $146/month
Source: www.eia.doe.gov. - US Natural Gas Sector Report for average cost of gas sold in December 2024. NorthWestern Energy costs are calculated by dividing total revenues by total sales.
Note: Electric rates are as of January 2025 as published in the Edison Electric Institute (EEI) Typical Bills and Average Rate Report. Natural gas rates are state-level averages cost of gas sold for 100 therms as of March 2025 from the Energy Information Administration Department of Energy website: www.eia.doe.gov. NorthWestern Energy natural gas rates for Montana, Nebraska, and South Dakota are average cost of gas sold for 100 therms as of March 2025. To see NorthWestern Energy’s current monthly electric and natural gas rates go to: Rates and Tariffs.