County annual report · FIPS 56037
2024 Sweetwater County, WY Power Outage Report
In 2024, customers in Sweetwater County, WY went without power for an average of 2.3 hours, a total of 58K customer-hours (Wyoming average 2.4 hours). That ranks 13th worst of 20 Wyoming counties and 2323rd of 2,990 nationally.
Compared with WY, the US and 2023
Coverage line is EAGLE-I's share of Wyoming customers tracked each year.
Biggest outages in Sweetwater County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 25, 2024 22:45 | May 26, 2024 11:30 | 12h 45m | 5,389 | 15K |
| 2 | July 7, 2024 20:15 | July 7, 2024 22:45 | 2h 30m | 2,067 | 3,616 |
| 3 | January 25, 2024 17:15 | January 26, 2024 01:45 | 8h 30m | 1,981 | 2,156 |
| 4 | December 28, 2024 23:30 | December 29, 2024 04:30 | 5h | 1,652 | 7,865 |
| 5 | May 13, 2024 02:30 | May 13, 2024 05:30 | 3h | 1,273 | 3,183 |
| 6 | November 3, 2024 10:00 | November 3, 2024 23:15 | 13h 15m | 1,151 | 1,787 |
| 7 | September 4, 2024 04:15 | September 4, 2024 06:15 | 2h | 1,146 | 860 |
| 8 | October 29, 2024 23:45 | October 30, 2024 06:30 | 6h 45m | 492 | 1,565 |
| 9 | July 15, 2024 16:45 | July 16, 2024 00:00 | 7h 15m | 415 | 1,602 |
| 10 | May 9, 2024 16:30 | May 9, 2024 16:45 | 15m | 375 | 94 |
Outage episodes by size in 2024: 23 reached 100+ customers, 7 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 Sweetwater County reported on EIA Form 861 for 2024, 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 | 2024 | 4.6 hrs | 1.67 | 2.0 hrs | 1.11 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| 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 n/a of Wyoming's customers in 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 25,475 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. Sweetwater County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Sweetwater County, WY annual power outage report, 2024, 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/2024/wyoming/sweetwater-county