County annual report · FIPS 56025
2022 Natrona County, WY Power Outage Report
In 2022, customers in Natrona County, WY went without power for an average of 1.7 hours, a total of 81K customer-hours (Wyoming average 2.4 hours). That ranks 14th worst of 20 Wyoming counties and 2409th of 2,976 nationally.
Compared with WY, the US and 2021
Coverage line is EAGLE-I's share of Wyoming customers tracked each year.
Biggest outages in Natrona 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 22, 2022 03:45 | December 22, 2022 12:30 | 8h 45m | 4,501 | 22K |
| 2 | December 27, 2022 16:15 | December 28, 2022 19:45 | 1d 3h | 3,787 | 14K |
| 3 | August 12, 2022 03:45 | August 13, 2022 10:45 | 1d 7h | 2,767 | 5,193 |
| 4 | May 11, 2022 03:30 | May 11, 2022 07:15 | 3h 45m | 2,483 | 626 |
| 5 | September 22, 2022 19:30 | September 23, 2022 09:30 | 14h | 2,124 | 640 |
| 6 | November 27, 2022 14:00 | November 27, 2022 21:30 | 7h 30m | 2,101 | 7,482 |
| 7 | December 21, 2022 23:15 | December 22, 2022 03:00 | 3h 45m | 700 | 180 |
| 8 | August 6, 2022 22:15 | August 7, 2022 01:00 | 2h 45m | 559 | 1,258 |
| 9 | November 24, 2022 14:45 | November 24, 2022 18:30 | 3h 45m | 508 | 1,654 |
| 10 | November 8, 2022 15:15 | November 8, 2022 21:30 | 6h 15m | 474 | 1,044 |
Outage episodes by size in 2022: 44 reached 100+ customers, 6 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 Natrona 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 |
| 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 71% of Wyoming's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 47,992 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. Natrona County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Natrona County, WY 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/wyoming/natrona-county