NorthWestern Energy
NorthWestern Energy is a electric & gas utility serving 380,000 customers in Montana. Average residential rate: 12.81¢/kWh (25.6% below national average).
12.81¢
per kWh
380,000
customers
MT
state
Electric & Gas
service type
Rate Comparison
| Metric | NorthWestern Energy | Montana Avg | National Avg |
|---|---|---|---|
| Avg Rate | 12.81¢/kWh | 12.81¢/kWh | 17.22¢/kWh |
| Est. Monthly Bill (900 kWh) | $115.29 | $115.29 | $154.98 |
| Est. Annual Bill (900 kWh/mo) | $1,383.48 | $1,383.48 | $1,859.76 |
About NorthWestern Energy
NorthWestern Energy is one of the major electric utilities serving Montana. With 380,000 customers, it ranks among the smaller utilities in the state.
The utility's average rate of 12.81¢/kWh is 25.6% below the national average of 17.22¢/kWh.
Visit the official NorthWestern Energy website for current rates, outage maps, and payment options.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)