County annual report · FIPS 30005
2022 Blaine County, MT Power Outage Report
In 2022, customers in Blaine County, MT went without power for an average of 7.8 hours, a total of 21K customer-hours (Montana average 3.5 hours). That ranks 13th worst of 50 Montana counties and 940th of 2,976 nationally.
Compared with MT, the US and 2021
Coverage line is EAGLE-I's share of Montana customers tracked each year.
Biggest outages in Blaine County, 2022
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 9, 2022 03:15 | July 9, 2022 22:15 | 19h | 1,428 | 8,421 |
| 2 | January 17, 2022 20:15 | January 17, 2022 23:00 | 2h 45m | 584 | 1,606 |
| 3 | September 22, 2022 15:30 | September 22, 2022 21:15 | 5h 45m | 583 | 2,005 |
| 4 | June 9, 2022 15:30 | June 9, 2022 18:30 | 3h | 404 | 427 |
| 5 | July 10, 2022 01:45 | July 13, 2022 18:00 | 3d 16h | 383 | 1,432 |
| 6 | March 4, 2022 04:00 | March 4, 2022 11:30 | 7h 30m | 301 | 1,136 |
| 7 | September 14, 2022 07:45 | September 14, 2022 08:00 | 15m | 283 | 71 |
| 8 | June 15, 2022 15:30 | June 16, 2022 04:30 | 13h | 272 | 1,415 |
| 9 | December 8, 2022 16:45 | December 9, 2022 00:00 | 7h 15m | 247 | 848 |
| 10 | February 27, 2022 19:30 | February 27, 2022 23:15 | 3h 45m | 188 | 476 |
Outage episodes by size in 2022: 11 reached 100+ customers, 1 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Blaine County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2022 | 2.2 hrs | 1.14 | 2.0 hrs | 1.09 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| Fergus Electric Coop, Inc | - | - | - | - | - |
| Hill County Electric Coop, Inc | - | - | - | - | - |
| Big Flat Electric Coop Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 76% of Montana's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 2,740 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Blaine County has data for 2020–2025.
Cite this report
MassOutage (massoutage.com), Blaine County, MT annual power outage report, 2022, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2022/montana/blaine-county