County annual report · FIPS 06003
2022 Alpine County, CA Power Outage Report
In 2022, customers in Alpine County, CA went without power for an average of 8.1 hours, a total of 7,135 customer-hours (California average 4.9 hours). That ranks 24th worst of 57 California counties and 896th of 2,976 nationally.
Compared with CA, the US and 2021
Coverage line is EAGLE-I's share of California customers tracked each year.
Biggest outages in Alpine 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 30, 2022 11:30 | December 30, 2022 11:45 | 15m | 920 | 230 |
| 2 | October 5, 2022 17:30 | October 5, 2022 18:45 | 1h 15m | 600 | 304 |
| 3 | January 3, 2022 22:45 | January 4, 2022 18:45 | 20h | 585 | 889 |
| 4 | May 31, 2022 18:30 | May 31, 2022 20:45 | 2h 15m | 281 | 573 |
| 5 | December 31, 2022 13:00 | December 31, 2022 21:45 | 8h 45m | 281 | 1,398 |
| 6 | March 11, 2022 20:15 | March 11, 2022 23:15 | 3h | 135 | 372 |
| 7 | September 9, 2022 16:45 | September 10, 2022 02:30 | 9h 45m | 109 | 1,054 |
| 8 | August 12, 2022 20:30 | August 13, 2022 01:45 | 5h 15m | 52 | 273 |
| 9 | April 16, 2022 04:15 | April 16, 2022 05:15 | 1h | 49 | 43 |
| 10 | March 26, 2022 21:15 | March 28, 2022 10:00 | 1d 12h | 47 | 1,383 |
Outage episodes by size in 2022: 7 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 Alpine 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 |
|---|---|---|---|---|---|
| Pacific Gas & Electric Co. | 2022 | 5.4 hrs | 1.78 | 4.3 hrs | 1.63 |
| Liberty Utilities | 2022 | 25.5 hrs | 5.19 | 7.9 hrs | 3.55 |
| Kirkwood Meadows PUD | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of California's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 882 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. Alpine County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Alpine County, CA 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/california/alpine-county