County annual report · FIPS 49043
2022 Summit County, UT Power Outage Report
In 2022, customers in Summit County, UT went without power for an average of 6.8 hours, a total of 124K customer-hours (Utah average 2.7 hours). That ranks 7th worst of 26 Utah counties and 1067th of 2,976 nationally.
Compared with UT, the US and 2021
Coverage line is EAGLE-I's share of Utah customers tracked each year.
Biggest outages in Summit 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 | December 28, 2022 08:00 | December 29, 2022 13:45 | 1d 5h | 4,461 | 9,847 |
| 2 | October 24, 2022 10:45 | October 24, 2022 19:00 | 8h 15m | 2,193 | 1,096 |
| 3 | December 1, 2022 22:30 | December 2, 2022 01:30 | 3h | 2,148 | 602 |
| 4 | June 10, 2022 13:45 | June 10, 2022 21:15 | 7h 30m | 1,990 | 3,576 |
| 5 | March 26, 2022 15:30 | March 27, 2022 09:30 | 18h | 1,603 | 2,685 |
| 6 | July 18, 2022 13:00 | July 18, 2022 14:00 | 1h | 1,443 | 1,443 |
| 7 | July 22, 2022 14:15 | July 23, 2022 03:15 | 13h | 1,443 | 3,620 |
| 8 | November 2, 2022 20:00 | November 3, 2022 22:30 | 1d 2h | 1,363 | 3,016 |
| 9 | July 20, 2022 12:00 | July 20, 2022 21:30 | 9h 30m | 1,339 | 356 |
| 10 | June 17, 2022 15:30 | June 18, 2022 04:15 | 12h 45m | 1,257 | 3,733 |
Outage episodes by size in 2022: 62 reached 100+ customers, 14 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 Summit 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 |
|---|---|---|---|---|---|
| PacifiCorp | 2022 | 5.2 hrs | 1.58 | 1.8 hrs | 1.11 |
| Bridger Valley Elec 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 80% of Utah's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 18,106 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. Summit County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Summit County, UT 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/utah/summit-county