County annual report · FIPS 06057
2023 Nevada County, CA Power Outage Report
In 2023, customers in Nevada County, CA went without power for an average of 47.5 hours, a total of 2.5M customer-hours (California average 7.9 hours). That ranks 10th worst of 57 California counties and 116th of 2,977 nationally.
Compared with CA, the US and 2022
Coverage line is EAGLE-I's share of California customers tracked each year.
Biggest outages in Nevada 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 | March 28, 2023 14:00 | March 31, 2023 23:15 | 3d 9h | 23,080 | 58K |
| 2 | February 27, 2023 01:30 | March 18, 2023 05:30 | 19d 4h | 17,272 | 2.0M |
| 3 | July 31, 2023 05:00 | July 31, 2023 11:30 | 6h 30m | 5,434 | 8,816 |
| 4 | January 1, 2023 00:00 | January 2, 2023 23:45 | 1d 23h | 4,045 | 26K |
| 5 | July 16, 2023 21:15 | July 17, 2023 05:15 | 8h | 3,310 | 845 |
| 6 | January 10, 2023 13:00 | January 10, 2023 19:00 | 6h | 3,217 | 12K |
| 7 | July 29, 2023 15:30 | July 29, 2023 23:30 | 8h | 2,763 | 4,248 |
| 8 | November 11, 2023 16:15 | November 11, 2023 23:00 | 6h 45m | 2,566 | 2,582 |
| 9 | July 28, 2023 22:45 | July 29, 2023 06:00 | 7h 15m | 2,525 | 4,339 |
| 10 | October 24, 2023 14:30 | October 25, 2023 00:15 | 9h 45m | 2,335 | 3,855 |
Outage episodes by size in 2023: 158 reached 100+ customers, 65 reached 1,000+ customers, 2 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 Nevada 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 |
|---|---|---|---|---|---|
| Pacific Gas & Electric Co. | 2023 | 11.9 hrs | 2.22 | 4.3 hrs | 1.56 |
| Liberty Utilities | 2023 | 4.4 hrs | 1.97 | 4.4 hrs | 1.97 |
| Truckee Donner P U D | 2018 | 5.0 hrs | 0.88 | - | - |
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 California's customers in 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 52,251 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. Nevada County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Nevada County, CA 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/california/nevada-county