2015 Montana Power Outage Report
In 2015, the average Montana customer went without power for about 2.3 hours, the 27th worst of 49 states (US average 2.8 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
2.3
vs prior year
-
no earlier year loaded
Customer-hours out
271K
Peak customers out
7,295
across the state at once
EAGLE-I coverage
n/a
of MT customers
Counties reporting
5
Montana year over year
All 5 Montana counties, 2015
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Flathead County | 3.5 | 229K | 65,575 | 6,376 | 578 |
| 2 | Lincoln County | 2.2 | 29K | 12,721 | 1,561 | 110 |
| 3 | Lake County | 0.5 | 12K | 24,041 | 2,811 | 69 |
| 4 | Park County | 0.2 | 1,510 | 8,763 | 205 | 4 |
| 5 | Sanders County | 0.0 | 322 | 7,314 | 23 | 6 |
Biggest Montana outages of 2015
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Flathead County, MT | January 4, 2015 03:45 | January 4, 2015 08:30 | 4h 45m | 6,376 | 14K |
| 2 | Flathead County, MT | November 18, 2015 00:15 | November 18, 2015 15:00 | 14h 45m | 5,971 | 39K |
| 3 | Flathead County, MT | November 18, 2015 15:45 | November 21, 2015 05:00 | 2d 13h | 4,528 | 71K |
| 4 | Flathead County, MT | February 14, 2015 01:30 | February 14, 2015 03:00 | 1h 30m | 3,873 | 3,990 |
| 5 | Flathead County, MT | June 3, 2015 17:00 | June 3, 2015 17:30 | 30m | 2,933 | 734 |
| 6 | Flathead County, MT | June 1, 2015 21:30 | June 1, 2015 23:15 | 1h 45m | 2,929 | 2,929 |
| 7 | Lake County, MT | November 18, 2015 06:45 | November 18, 2015 07:00 | 15m | 2,811 | 703 |
| 8 | Lake County, MT | June 3, 2015 17:15 | June 3, 2015 17:30 | 15m | 2,808 | 702 |
| 9 | Lake County, MT | June 1, 2015 21:30 | June 1, 2015 22:30 | 1h | 2,808 | 2,808 |
| 10 | Flathead County, MT | July 7, 2015 15:30 | July 7, 2015 17:15 | 1h 45m | 2,704 | 678 |
| 11 | Flathead County, MT | February 14, 2015 04:45 | February 14, 2015 05:45 | 1h | 2,698 | 675 |
| 12 | Lake County, MT | June 6, 2015 10:15 | June 6, 2015 11:00 | 45m | 2,330 | 1,748 |
| 13 | Flathead County, MT | June 15, 2015 17:00 | June 15, 2015 18:30 | 1h 30m | 2,276 | 1,766 |
| 14 | Flathead County, MT | October 6, 2015 16:15 | October 7, 2015 03:00 | 10h 45m | 2,074 | 567 |
| 15 | Flathead County, MT | October 13, 2015 18:30 | October 13, 2015 22:30 | 4h | 2,054 | 1,047 |
| 16 | Flathead County, MT | May 24, 2015 00:45 | May 24, 2015 05:15 | 4h 30m | 1,751 | 3,800 |
| 17 | Flathead County, MT | December 9, 2015 19:15 | December 10, 2015 03:00 | 7h 45m | 1,718 | 2,096 |
| 18 | Flathead County, MT | December 22, 2015 15:30 | December 22, 2015 22:15 | 6h 45m | 1,701 | 4,286 |
| 19 | Flathead County, MT | April 22, 2015 10:30 | April 22, 2015 11:30 | 1h | 1,608 | 1,608 |
| 20 | Flathead County, MT | November 15, 2015 17:45 | November 15, 2015 18:45 | 1h | 1,576 | 1,576 |
| 21 | Flathead County, MT | September 4, 2015 10:15 | September 4, 2015 16:30 | 6h 15m | 1,567 | 4,596 |
| 22 | Lincoln County, MT | November 18, 2015 02:15 | November 18, 2015 15:00 | 12h 45m | 1,561 | 11K |
| 23 | Flathead County, MT | December 8, 2015 01:30 | December 8, 2015 14:00 | 12h 30m | 1,542 | 9,554 |
| 24 | Lake County, MT | April 26, 2015 14:30 | April 26, 2015 14:45 | 15m | 1,503 | 376 |
| 25 | Lake County, MT | November 18, 2015 11:15 | November 18, 2015 11:30 | 15m | 1,391 | 348 |
EAGLE-I tracked about n/a of Montana's electricity customers in 2015; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2015 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.