Tuolumne County, CA Power Outages
Only some utilities serving Tuolumne County, California share live outage data (Southern California Edison Co), and none of them report outages here right now. Pacific Gas & Electric Co. and Turlock Irrigation District do not share live data, so check their outage maps for real-time status.
Tuolumne County on the California outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Tuolumne County power outage history
Every significant outage recorded in Tuolumne County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 296 significant power outages in Tuolumne County, meaning events that left at least 1% of customers in the dark. The largest (Oct 9–12, 2019) came when wildfire conditions left 37,533 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 64 hr 41 min of power per year, more than the California average of 6 hr 35 min. That ranks 6th of 58 California counties for outage time, where 1st has the most.
October is the riskiest month: it accounted for 29% of all customer outage time from 2018 to 2025. On 322 days in that period, at least 5% of customers were out at the same time. Outage time in Tuolumne County has fallen recently: about 37 hr 57 min per customer per year in 2022–2025, versus 91 hr 25 min in 2018–2021.
The most recent significant outage on record (Dec 31, 2025) affected 462 customers (2%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Oct 9–12, 2019 | 37,533(100%) | 4 | Wildfire |
| 2 | Sep 5–17, 2023 | 37,050(100%) | 13 | Extreme heat |
| 3 | Aug 26–28, 2021 | 37,001(100%) | 3 | Extreme heat |
| 4 | Oct 27–30, 2019 | 35,729(100%) | 4 | High winds |
| 5 | Aug 1, 2021 | 33,462(100%) | 1 | Wildfire |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Tuolumne County?
Electric companies with service territory in Tuolumne County (EIA-861, 2025)
| Utility | Type | Customers (CA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| PG&E | Investor Owned | 5,728,333 | Not reporting | |
| Southern California Edison (SCE) | Investor Owned | 5,343,161 | Reporting | |
| Turlock Irrigation District | Political Subdivision | 96,642 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 94 | Not reporting | |
| Tuolumne County Pub Power Agny | Political Subdivision | 33 | Not reporting |
Customer counts are each utility's statewide total in California. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Tuolumne County outage headlines in the past week.
Tuolumne County power outage FAQ
Is the power out in Tuolumne County right now?
No outages are currently reported for Tuolumne County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Tuolumne County?
According to EIA-861 service territory data, Pacific Gas & Electric Co., Southern California Edison Co, Turlock Irrigation District, WAPA-- Western Area Power Administration and 1 others provide electric service in Tuolumne County, California.
What was the worst power outage in Tuolumne County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Oct 9–12, 2019. It peaked at 37,533 customers without power (100% of the county). NOAA storm reports for that period point to wildfire.
How often does the power go out in Tuolumne County?
EAGLE-I has recorded 296 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 64 hr 41 min of power per year, and on 322 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Tuolumne County, CA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/california/tuolumne-county