Electricity rates in Butte, MT
Butte (34,190 people, Silver Bow County) is served by 2 electric utilities. Homes on NorthWestern Energy pay about 15.71¢/kWh, 14% more than the Montana average.
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Electric companies serving Butte
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| NorthWestern Energy | Investor-owned utility | 15.71¢ | $111 | 334K | 125 |
| Vigilante Electric Co-op | Electric cooperative | 10.68¢ | $152 | 11K | — |
Power outages in Silver Bow County right now
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Outage history in Silver Bow County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 88 | 154 |
| Days with outages | 37 | 21 |
| Most customers out at once | 2,049 (8.5%) | 6,355 (26.4%) |
| Worst day | 2024-12-31 | 2025-12-17 |
Outage minutes by month, 2025
More outage time than 2024 (88 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Warm Springs 15.7¢
- Anaconda 15.7¢
- Whitehall 15.7¢
- Boulder 15.7¢
- Deer Lodge 15.7¢
- Clancy 15.7¢
- Helena West Side 15.7¢
- Montana City 15.7¢
- Helena 15.7¢
- Three Forks 15.7¢
ZIP codes: 59701, 59702, 59703, 59707, 59750
Frequently asked questions
What is the electricity rate in Butte?
Most homes in Butte 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¢. Other utilities serving parts of Butte: Vigilante Electric Co-op (10.68¢).
What is the average electric bill in Butte?
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 Butte, MT?
2 utilities serve Butte's ZIP codes: NorthWestern Energy, Vigilante Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Butte?
In 2025, customers in Silver Bow County averaged 2 hr 34 min without power. Outages hit 21 days of the year, and the worst day was 2025-12-17, when 6,355 customers (26.4%) were out. Source: ORNL EAGLE-I.