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Power Outages in Tuolumne County, CA

As of October 19, 2026 03:10 UTC, about 9 customers are without power in Tuolumne County, CA across 1 reported incident. There is no live feed for Tuolumne County Pub Power Agny and WAPA-- Western Area Power Administration, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 13.6 hours.

Tuolumne County, CA is served by 5 tracked utilities.

Cite this data
URL
https://massoutage.com/california/tuolumne-county
As of
October 19, 2026 03:10 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Tuolumne County, CA", live data as of October 19, 2026 03:10 UTC. https://massoutage.com/california/tuolumne-county

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Tuolumne County, CA
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This county Loading live outagesout
Scattered outages

9 customers without power

0.0% of Tuolumne County · across 1 reported incident.

Utility ETR: October 19, 2026 15:00 UTC (utility's estimate)

Not counted: no live feed for Tuolumne County Pub Power Agny and WAPA-- Western Area Power Administration.

Live data as of

Live status by utility · Tuolumne County

0.0%of this county's ~37,886 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Tuolumne County Pub Power Agny, WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Pacific Gas & Electric Co.Live · county9---1October 19, 2026 15:00 UTC
Southern California Edison CoLive · county0---0-
Turlock Irrigation DistrictLive · county0---0-
Tuolumne County Pub Power AgnyNo live feedcan't see------
WAPA-- Western Area Power AdministrationNo live feedcan't see------

Pacific Gas & Electric Co., Southern California Edison Co and Turlock Irrigation District reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Active outages in Tuolumne County1

Individual outages as listed by Pacific Gas & Electric Co., largest first. “<N” means the utility only publishes that the outage affects fewer than N customers.

CustomersCauseCrew statusUtility ETRStartedUtility
9TREE CONTACT-October 19, 2026 15:00 UTCPacific Gas & Electric Co.

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Tuolumne Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.

Power-dependent
921
Oxygen service
398
Dialysis (facility)
69
Home health / hospice
216
By ZIP code (13)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
95370438≤11370≤11
95327131≤111150
9531065≤11580
9532155≤11450
9538354≤11470
9537951≤1140≤11
9537231≤11280
9532926≤1121≤11
95346130120
95347≤110≤110
95335≤110≤110
95309≤110≤110
95305≤110≤110

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Tuolumne County, CA

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Tuolumne County or any town and utility in it.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Tuolumne County right now.

Recent NWS alert activity · Tuolumne County

Tuolumne County has been under 21 National Weather Service alerts recently, most recently a Red Flag Warning on October 17, 2026.

  • Red Flag Warning ×12
  • Heat Advisory ×8
  • Special Weather Statement ×1

Latest Tuolumne County, CA outage updates

A running log of how this outage has changed, updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 3h 50m

  2. RESTORATION ETA

    Restoration now estimated October 13, 2026

  3. RESTORATION ETA

    Restoration now estimated October 13, 2026

  4. RESTORATION ETA

    Restoration now estimated October 13, 2026

  5. OUTAGE BEGAN

    Outage began: 586 customers out (2.5% of the county)

Outage trend · Tuolumne County, CA
9customers out
Data as of Oct 19, 2026 03:00 UTC
Tuolumne County, CA: customers without power, last 24 hoursPeak 9 customers out; latest 9 as of Oct 19, 2026 03:00 UTC. Each point is the highest reading in its interval.02.557.510Oct 186 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Tuolumne County

Where this event is concentrated across the county's towns and townships.

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Tuolumne Countyisn't available yet.

Historical reliability

In 2025, the average customer in Tuolumne County went about 13.6 hours without power. Peak simultaneous outage on record reached 23,610 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports California utilities averaged 6.0 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 13.6 hrs.

A decade of outages (2016–2025)
avg hrs without power / customer
Tuolumne County average outage hours per customer by year2016–2025: 2016 0.0h, 2017 0.0h, 2018 2.9h, 2019 123.3h, 2020 90.1h, 2021 113.9h, 2022 22.2h, 2023 85.4h, 2024 27.7h, 2025 13.6h. Highlighted: 2019.0501001500.0h20160.0h20172.9h2018123.3h201990.1h2020113.9h202122.2h202285.4h202327.7h202413.6h2025
Use the arrow keys to read values.

Worst year here was 2019 (peak 23,610 customers out) · decade average 47.9 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20164300.0
20172290.0
20183414,4382.9
201952823,610123.3
202060723,61090.1
202153423,610113.9
20225499,27022.2
202343423,61085.4
20245709,58227.7
202552110,02713.6

Cost of power in Tuolumne County

ENERGY & AI DEMAND →

Estimated residential electricity price for Tuolumne County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.

33.3¢/kWh
estimated residential average
▲ 96% since 2015
vs California avg 33.6¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.

Worst recorded outages
STARTEDPEAK OUTDURATION
March 6, 202123,61016h 15m
September 8, 202023,6101d 21h
October 25, 202023,6102d 6h
September 9, 202323,6107d 8h
April 16, 202123,61012h 45m
See the biggest power outages in US history →
Natural hazards & outage risk
HIGH

Relatively High wildfire exposure · 47.9 hrs/yr of outages over the last decade.

WildfireRelatively High
FloodingRelatively Moderate
Heat waveRelatively Moderate

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 23,610 customers without power, beginning March 6, 2021 and lasting about 16h 15m.
Is there a power outage in Tuolumne County, CA right now?
Yes, about 9 customers are currently without power across 1 reported incident(s).
Which utilities serve Tuolumne County, CA?
Tracked electric providers include Pacific Gas & Electric Co..
ZIP codes in Tuolumne County

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.

ProviderOfficial SAIDI (EIA)LiveReport outage
Pacific Gas & Electric Co.4.5 hrsLive · county-
Southern California Edison Co9.1 hrsLive · county-
Turlock Irrigation District1.0 hrsLive · county-
WAPA-- Western Area Power Administration-No live feed-
Tuolumne County Pub Power Agny-No live feed-

Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of California customers). Machine-readable data: /api/v1/counties/06109 and /api/v1/counties/06109/history. Live data as of .