County annual report · FIPS 30021
2022 Dawson County, MT Power Outage Report
In 2022, customers in Dawson County, MT went without power for an average of 1.0 hours, a total of 7,365 customer-hours (Montana average 3.5 hours). That ranks 47th worst of 50 Montana counties and 2711th 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 Dawson 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 | April 23, 2022 17:45 | April 24, 2022 03:00 | 9h 15m | 1,801 | 1,934 |
| 2 | August 2, 2022 11:00 | August 2, 2022 11:15 | 15m | 831 | 208 |
| 3 | April 8, 2022 16:30 | April 8, 2022 20:30 | 4h | 663 | 551 |
| 4 | June 15, 2022 21:00 | June 15, 2022 21:30 | 30m | 595 | 150 |
| 5 | July 15, 2022 22:15 | July 16, 2022 00:30 | 2h 15m | 454 | 804 |
| 6 | July 14, 2022 19:00 | July 14, 2022 21:15 | 2h 15m | 431 | 318 |
| 7 | February 14, 2022 03:45 | February 15, 2022 02:30 | 22h 45m | 195 | 455 |
| 8 | April 7, 2022 00:00 | April 7, 2022 02:15 | 2h 15m | 124 | 272 |
| 9 | July 3, 2022 13:00 | July 3, 2022 14:00 | 1h | 99 | 36 |
| 10 | July 19, 2022 21:00 | July 19, 2022 22:15 | 1h 15m | 92 | 89 |
Outage episodes by size in 2022: 8 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 Dawson 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 |
|---|---|---|---|---|---|
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| Montana-Dakota Utilities Co | - | - | - | - | - |
| McCone Electric Coop Inc | - | - | - | - | - |
| Tongue River Electric Coop Inc | - | - | - | - | - |
| Goldenwest Electric Coop, Inc | - | - | - | - | - |
| Lower Yellowstone R E A, 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 ÷ 7,435 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. Dawson County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Dawson 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/). https://massoutage.com/reports/2022/montana/dawson-county