County annual report · FIPS 56043
2018 Washakie County, WY Power Outage Report
In 2018, customers in Washakie County, WY went without power for an average of 17.1 hours, a total of 4,529 customer-hours (Wyoming average 1.2 hours). That ranks 1st worst of 21 Wyoming counties and 329th of 2,798 nationally.
Compared with WY, the US and 2017
Coverage line is EAGLE-I's share of Wyoming customers tracked each year.
Biggest outages in Washakie County, 2018
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 17, 2018 17:30 | April 18, 2018 03:15 | 9h 45m | 353 | 2,331 |
| 2 | April 29, 2018 21:00 | April 30, 2018 00:15 | 3h 15m | 158 | 295 |
| 3 | December 10, 2018 19:15 | December 10, 2018 21:15 | 2h | 59 | 60 |
| 4 | July 9, 2018 07:30 | July 10, 2018 05:15 | 21h 45m | 55 | 923 |
| 5 | July 27, 2018 13:30 | July 27, 2018 18:15 | 4h 45m | 39 | 110 |
| 6 | March 5, 2018 19:15 | March 5, 2018 21:30 | 2h 15m | 30 | 36 |
| 7 | October 9, 2018 07:15 | October 9, 2018 08:30 | 1h 15m | 28 | 15 |
| 8 | January 29, 2018 20:45 | January 29, 2018 23:00 | 2h 15m | 27 | 38 |
| 9 | September 19, 2018 18:30 | September 19, 2018 20:15 | 1h 45m | 21 | 21 |
| 10 | April 18, 2018 13:45 | April 18, 2018 23:15 | 9h 30m | 19 | 27 |
Outage episodes by size in 2018: 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 Washakie County reported on EIA Form 861 for 2018, 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 | 2018 | 3.2 hrs | 1.62 | 2.0 hrs | 1.25 |
| Big Horn Rural Electric Co | 2018 | 4.0 hrs | 1.80 | - | - |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| High Plains Power 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 62% of Wyoming's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 265 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. Washakie County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Washakie County, WY annual power outage report, 2018, 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/2018/wyoming/washakie-county