County annual report · FIPS 32019
2025 Lyon County, NV Power Outage Report
In 2025, customers in Lyon County, NV went without power for an average of 2.9 hours, a total of 82K customer-hours (Nevada average 3.8 hours). That ranks 12th worst of 15 Nevada counties and 2090th of 3,000 nationally.
Compared with NV, the US and 2024
Coverage line is EAGLE-I's share of Nevada customers tracked each year.
Biggest outages in Lyon County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | August 25, 2025 22:45 | August 26, 2025 18:30 | 19h 45m | 8,199 | 20K |
| 2 | November 5, 2025 17:15 | November 6, 2025 11:30 | 18h 15m | 5,141 | 8,911 |
| 3 | August 27, 2025 22:00 | August 28, 2025 02:45 | 4h 45m | 4,186 | 6,621 |
| 4 | July 7, 2025 13:30 | July 7, 2025 16:00 | 2h 30m | 3,067 | 4,659 |
| 5 | February 3, 2025 15:15 | February 4, 2025 05:45 | 14h 30m | 2,909 | 9,017 |
| 6 | August 26, 2025 21:15 | August 27, 2025 06:00 | 8h 45m | 1,132 | 1,237 |
| 7 | July 14, 2025 13:45 | July 16, 2025 08:30 | 1d 18h | 1,106 | 1,791 |
| 8 | August 23, 2025 01:45 | August 23, 2025 06:00 | 4h 15m | 964 | 2,399 |
| 9 | December 15, 2025 19:45 | December 18, 2025 21:30 | 3d 1h | 963 | 3,234 |
| 10 | September 10, 2025 02:00 | September 10, 2025 22:45 | 20h 45m | 802 | 974 |
Outage episodes by size in 2025: 33 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 Lyon County reported on EIA Form 861 for 2025, 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 |
|---|---|---|---|---|---|
| Sierra Pacific Power Co | 2024 | 6.7 hrs | 2.34 | 1.7 hrs | 1.04 |
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 Nevada's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 28,135 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. Lyon County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Lyon County, NV annual power outage report, 2025, 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/2025/nevada/lyon-county