Power Out Map
– 0 customers out in California

Power outage history

California

6.2hours

without power for the average customer in a typical year, 2018–2025. 20th of 51.

Largest outage on record Windstorm, October 27, 2019 1,025,762 customers out · 6% of the state
Electricity customers 16,073,900 Across 58 counties
Worst well-recorded year 2019 8.8 hours without power, average customer

County by county

Where California goes dark

Hours without power for the average customer in a typical year. Hover a county; click to open it.

Fewer hours64+ h / yr

Most hours without power

  1. 1Sierra145 h
  2. 2Alpine96 h
  3. 3Plumas85 h
  4. 4Calaveras70 h
  5. 5Mariposa65 h
  6. 6Tuolumne59 h
  7. 7Mono52 h
  8. 8Amador52 h
  9. 9Nevada45 h
  10. 10Lake44 h

Most reliable

  1. 1Stanislaus0.4 h
  2. 2Orange2.3 h
  3. 3Merced2.3 h
  4. 4San Francisco2.7 h
  5. 5Modoc2.9 h

Year by year

Hours in the dark, statewide

0 2 4 6 8 10 ’15 ’16 ’17 3.5 ’18 8.8 ’19 5.9 ’20 6.3 ’21 4.7 ’22 7.7 ’23 6.0 ’24 6.8 ’25 US 6.6

The record

California's largest outages

Statewide events with at least 2% of customers, or 25,000, out at once, by peak.

BeganStormPeak outShare
Oct 26, 2019 Windstorm 1,025,762 6.4%
Feb 4, 2024 Windstorm 888,942 5.5%
Jan 8, 2025 Windstorm 766,254 4.8%
Oct 9, 2019 Wildfire 621,585 3.9%
Jan 8, 2023 Windstorm 547,151 3.4%
Oct 25, 2020 Windstorm 455,125 2.8%
Jan 27, 2021 Windstorm 405,067 2.5%
Mar 14, 2023 Windstorm 379,747 2.4%

Every county

All 58 counties

CountyHours / yrMajor outages since 2018Customers
Sierra 145 157 2,072
Alpine 96 73 882
Plumas 85 128 9,230
Calaveras 70 169 18,417
Mariposa 65 129 7,262
Tuolumne 59 129 23,610
Mono 52 187 5,551
Amador 52 95 17,050
Nevada 45 26 52,251
Lake 44 51 28,397
Butte 38 25 90,543
El Dorado 37 28 95,672
Mendocino 33 20 39,041
Humboldt 30 24 59,962
Santa Cruz 24 22 118,299
Del Norte 23 53 16,195
Tehama 22 52 28,134
Napa 22 20 63,828
Shasta 21 19 81,282
Trinity 20 23 8,220
Sonoma 16 13 214,127
Yuba 16 39 35,933
Marin 16 14 113,044
Siskiyou 13 45 26,605
Inyo 13 42 7,201

Who keeps the lights on

Utilities in California

Reliability and residential price as reported to the EIA for the latest year. Outage minutes include major storm days.

UtilityTypeOutage min / yrExcl. major storms¢/kWhCustomers
Pacific Gas & Electric Co. Investor Owned 273 208 37.5 5.1M
Southern California Edison Co Investor Owned 545 116 31.5 4.6M
Los Angeles Department of Water & Power Municipal 408 89 26.5 1.4M
San Diego Gas & Electric Co Investor Owned 130 68 45.8 1.4M
Sacramento Municipal Util Dist Political Subdivision 50 50 18.9 601k
Sunrun Inc. Behind the Meter – – 31.2 360k
Tesla Inc. Behind the Meter – – 18.9 146k
Imperial Irrigation District Political Subdivision 114 56 18.7 143k
City of Anaheim Municipal 32 32 19.4 107k
Modesto Irrigation District Political Subdivision 36 31 23.0 105k
City of Riverside Municipal 88 76 21.9 101k
Turlock Irrigation District Political Subdivision 62 62 17.4 81k
City of Glendale Municipal 588 112 35.5 78k
SunPower Capital, LLC Behind the Meter – – 25.7 73k
City of Roseville Municipal 13 10 21.3 65k