Power Outages in Tuolumne County, CA
As of the latest utility report, no major power outages are reported in Tuolumne County, CA. In 2025, the average customer here lost power for about 13.6 hours.
Tuolumne County, CA is served by 1 tracked utility.
No active power outages are currently reported in Tuolumne County.
No active NWS alerts for Tuolumne County right now.
Hardest-hit cities in Tuolumne County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Tuolumne County went about 13.6 hours without power. Peak simultaneous outage on record reached 37,533 customers.
Worst year here was 2019 (peak 37,533 customers out) · decade average 51.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2016 | 4 | 30 | 0.0 |
| 2017 | 2 | 29 | 0.0 |
| 2018 | 341 | 4,438 | 2.9 |
| 2019 | 528 | 37,533 | 145.1 |
| 2020 | 607 | 30,341 | 98.2 |
| 2021 | 534 | 37,001 | 119.5 |
| 2022 | 549 | 9,270 | 22.2 |
| 2023 | 434 | 37,050 | 88.5 |
| 2024 | 570 | 9,582 | 27.7 |
| 2025 | 521 | 10,027 | 13.6 |
Relatively High wildfire exposure · 51.8 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Tuolumne County: FAQ
- How often does Tuolumne County, CA lose power?
- Based on EAGLE-I records, Tuolumne County, CA logged 521 distinct outage events in 2025, averaging about 13.6 hours without power per customer over the year.
- What was the worst power outage in Tuolumne County, CA?
- The largest tracked outage peaked at 37,533 customers without power, beginning October 10, 2019 and lasting about 30m.
- Is there a power outage in Tuolumne County, CA right now?
- No major outage is currently reported for Tuolumne County, CA. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Tuolumne County, CA?
- Tracked electric providers include PGE.
Outages are tracked at the county level; these ZIP codes fall within Tuolumne County.
95305, 95309, 95310, 95321, 95327, 95329, 95335, 95346, 95364, 95370, 95372, 95375, 95379, 95383
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| PGE | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/06109 and /api/v1/counties/06109/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of California customers).