County annual report · FIPS 56029
2023 Park County, WY Power Outage Report
In 2023, customers in Park County, WY went without power for an average of 1.6 hours, a total of 23K customer-hours (Wyoming average 2.0 hours). That ranks 13th worst of 20 Wyoming counties and 2436th of 2,977 nationally.
Compared with WY, the US and 2022
Coverage line is EAGLE-I's share of Wyoming customers tracked each year.
Biggest outages in Park County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | June 20, 2023 11:15 | June 20, 2023 11:30 | 15m | 2,769 | 692 |
| 2 | August 22, 2023 00:00 | August 22, 2023 05:45 | 5h 45m | 1,623 | 413 |
| 3 | June 8, 2023 19:45 | June 9, 2023 03:30 | 7h 45m | 1,015 | 2,071 |
| 4 | June 2, 2023 04:30 | June 2, 2023 05:45 | 1h 15m | 803 | 1,004 |
| 5 | July 1, 2023 23:45 | July 2, 2023 06:45 | 7h | 759 | 5,286 |
| 6 | January 27, 2023 02:45 | January 27, 2023 07:30 | 4h 45m | 754 | 2,431 |
| 7 | June 11, 2023 20:45 | June 11, 2023 22:00 | 1h 15m | 674 | 682 |
| 8 | November 1, 2023 15:15 | November 1, 2023 16:15 | 1h | 656 | 656 |
| 9 | August 27, 2023 00:15 | August 27, 2023 02:30 | 2h 15m | 639 | 767 |
| 10 | June 14, 2023 01:45 | June 14, 2023 03:45 | 2h | 635 | 478 |
Outage episodes by size in 2023: 13 reached 100+ customers, 3 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 Park County reported on EIA Form 861 for 2023, 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 | 2023 | 8.2 hrs | 1.42 | 1.9 hrs | 0.99 |
| NorthWestern Energy LLC - (MT) | 2023 | 1.7 hrs | 0.93 | 1.7 hrs | 0.93 |
| High Plains Power Inc | 2023 | 5.4 hrs | - | 5.4 hrs | - |
| Big Horn Rural Electric Co | 2018 | 4.0 hrs | 1.80 | - | - |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| NorthWestern Energy | - | - | - | - | - |
| Beartooth Electric Coop, Inc | - | - | - | - | - |
| Garland Light & Power Company | - | - | - | - | - |
| City of Cody | - | - | - | - | - |
| City of Powell - (WY) | - | - | - | - | - |
| Willwood Light & Power Company | - | - | - | - | - |
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 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 14,005 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. Park County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Park County, WY annual power outage report, 2023, 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/2023/wyoming/park-county