This county is not rated. Its numbers may not reflect what residents experienced.
Liberty County, Montana had no major outages from 2020 to 2023
Not ratedWe show this record but do not rank it because the history is short, the population is very small, or customer counts look too high for the population. Treat these numbers with caution. Data confidence: Low, with 4 years of records.
November and September made up 61% of this county's outage time. The largest outage on record began Oct 23, 2022, reached 1,532 customers, and left at least 200 customers out for 4.0 hours.
Outage impact by year
Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.
Show yearly numbers
| Year | Customer-hours | Reported outages | Major outages |
|---|---|---|---|
| 2020 | 8,290 | 7 | 0 |
| 2021 | 3,028 | 3 | 0 |
| 2022 | 9,402 | 6 | 0 |
| 2023 | 0 | 0 | 0 |
When outages hit
Share of this county's customer-hours by month.
Largest outages on record
| Start date | Hours | Peak customers | Customer-hours |
|---|---|---|---|
| Oct 23, 2022 | 4.0 | 1,532 | 3,568 |
| Nov 5, 2022 | 4.0 | 818 | 3,272 |
| Sep 14, 2020 | 4.8 | 1,138 | 2,558 |
| Sep 20, 2020 | 2.5 | 841 | 2,102 |
| Nov 23, 2022 | 2.0 | 818 | 1,598 |
Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.
Size your backup battery
Start with what you would keep running. Wattages are typical averages, so check your own appliances.
If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.
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How to read this
- A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
- Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
- Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.