County annual report · FIPS 49013
2020 Duchesne County, UT Power Outage Report
In 2020, customers in Duchesne County, UT went without power for an average of 0.7 hours, a total of 4,654 customer-hours (Utah average 8.7 hours). That ranks 27th worst of 29 Utah counties and 2753rd of 3,019 nationally.
Compared with UT, the US and 2019
Coverage line is EAGLE-I's share of Utah customers tracked each year.
Biggest outages in Duchesne County, 2020
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 12, 2020 09:00 | April 12, 2020 19:00 | 10h | 404 | 1,737 |
| 2 | April 9, 2020 21:45 | April 9, 2020 22:00 | 15m | 392 | 98 |
| 3 | May 19, 2020 14:00 | May 20, 2020 00:00 | 10h | 94 | 622 |
| 4 | January 17, 2020 14:30 | January 17, 2020 15:00 | 30m | 90 | 23 |
| 5 | February 19, 2020 23:30 | February 20, 2020 02:45 | 3h 15m | 90 | 225 |
| 6 | January 17, 2020 16:30 | January 17, 2020 20:30 | 4h | 87 | 241 |
| 7 | May 20, 2020 15:45 | May 20, 2020 21:00 | 5h 15m | 81 | 425 |
| 8 | February 20, 2020 21:00 | February 21, 2020 00:00 | 3h | 66 | 169 |
| 9 | February 10, 2020 22:45 | February 11, 2020 03:45 | 5h | 58 | 104 |
| 10 | May 1, 2020 00:30 | May 1, 2020 12:15 | 11h 45m | 46 | 405 |
Outage episodes by size in 2020: 2 reached 100+ customers, 0 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 Duchesne County reported on EIA Form 861 for 2020, 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 |
|---|---|---|---|---|---|
| PacifiCorp | 2020 | 6.8 hrs | 1.88 | 2.0 hrs | 1.22 |
| Moon Lake Electric Assn 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 79% of Utah's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 6,214 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. Duchesne County has data for 2017–2020, 2022–2025.
Cite this report
MassOutage (massoutage.com), Duchesne County, UT annual power outage report, 2020, 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/2020/utah/duchesne-county