Electricity rates in Colstrip, MT
Colstrip (2,336 people, Rosebud County) is served by NorthWestern Energy. Homes on NorthWestern Energy pay about 15.71¢/kWh, 14% more than the Montana average.
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Electric companies serving Colstrip
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| NorthWestern Energy | Investor-owned utility | 15.71¢ | $111 | 334K | 125 |
Power outages in Rosebud County right now
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Outage history in Rosebud County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 96 | 170 |
| Days with outages | 10 | 16 |
| Most customers out at once | 171 (3.7%) | 1,172 (25.2%) |
| Worst day | 2024-05-08 | 2025-12-19 |
Outage minutes by month, 2025
More outage time than 2024 (96 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Lame Deer 13.5¢
- Forsyth 15.7¢
- Crow Agency 15.7¢
- Hardin 15.7¢
- Miles City 12.9¢
- Lockwood 14.8¢
- Billings 14.8¢
- Roundup 15.7¢
- Laurel 15.7¢
- Baker 12.9¢
ZIP codes: 59323
Frequently asked questions
What is the electricity rate in Colstrip?
Most homes in Colstrip get power from NorthWestern Energy, where residential customers pay an average of 15.71¢/kWh including all charges. The Montana average is 13.84¢ and the U.S. average 17.99¢.
What is the average electric bill in Colstrip?
About $111 a month, based on 707 kWh a month (the average for NorthWestern Energy customers) at 15.71¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Colstrip, MT?
NorthWestern Energy serves Colstrip.
How often does the power go out in Colstrip?
In 2025, customers in Rosebud County averaged 2 hr 50 min without power. Outages hit 16 days of the year, and the worst day was 2025-12-19, when 1,172 customers (25.2%) were out. Source: ORNL EAGLE-I.