massoutage

2025 California Power Outage Report

In 2025, the average California customer went without power for about 7.5 hours, the 10th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
7.5
vs prior year
▲ 22%
vs 2024
Customer-hours out
117.6M
Peak customers out
2,734,535
across the state at once
EAGLE-I coverage
n/a
of CA customers
Counties reporting
58

California year over year

California: average hours without power per customer by year2015: 3.1h; 2016: 2.5h; 2017: 2.2h; 2018: 3.7h, coverage 91%; 2019: 9.3h, coverage 93%; 2020: 6.2h, coverage 94%; 2021: 6.6h, coverage 95%; 2022: 4.9h, coverage 95%; 2023: 7.9h; 2024: 6.1h; 2025: 7.5h02.557.5100%50%100%3.1h20152.5h20162.2h20173.7h20189.3h20196.2h20206.6h20214.9h20227.9h20236.1h20247.5h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2025

Customer-hours without power across California; January was the worst.

CSVJSON
California customer-hours without power by month, 2025Jan 51.0M, Feb 7.0M, Mar 5.2M, Apr 3.7M, May 5.0M, Jun 6.3M, Jul 5.3M, Aug 6.6M, Sep 5.8M, Oct 5.2M, Nov 4.9M, Dec 11.7M020M40M60M51.0MJan7.0MFeb5.2MMar3.7MApr5.0MMay6.3MJun5.3MJul6.6MAug5.8MSep5.2MOct4.9MNov11.7MDec
Use the arrow keys to read values.

All 58 California counties, 2025

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Mono County94.1523K5,5515,551240
2Alpine County67.560K88288267
3Sierra County62.0128K2,0721,274157
4Plumas County37.3344K9,2309,230334
5Inyo County33.2239K7,2013,326165
6Mariposa County32.7238K7,2623,844400
7Ventura County23.97.6M317,658317,658504
8Mendocino County19.1745K39,04112,955507
9Calaveras County18.0331K18,4179,751499
10San Bernardino County15.913.4M840,555840,555271
11Siskiyou County15.0399K26,60519,359567
12Santa Cruz County14.01.7M118,29926,822452
13Tuolumne County13.6320K23,61010,027521
14San Francisco County13.22.8M209,753131,898563
15El Dorado County12.21.2M95,67223,136520
16Riverside County12.010.2M853,923105,557315
17Nevada County11.7614K52,25121,263524
18Monterey County11.72.3M195,57522,739277
19Colusa County10.5105K9,9707,082436
20Los Angeles County10.238.4M3,762,6001,717,88645
21Glenn County9.9121K12,2334,245502
22Tehama County9.9278K28,1346,277631
23Del Norte County9.6155K16,19513,231446
24Lake County9.2262K28,3974,643569
25Humboldt County9.1546K59,9627,600565
26Sonoma County8.31.8M214,12721,741504
27Amador County8.0137K17,0503,101428
28Madera County7.3497K68,50313,689648
29San Luis Obispo County7.2904K125,7278,779410
30Marin County6.9776K113,0447,208554
31Butte County6.8614K90,5439,982640
32San Mateo County6.52.1M328,40836,840266
33Yuba County6.3227K35,9338,360667
34Santa Barbara County5.91.1M192,0808,559424
35Kern County5.62.2M395,01579,327329
36Napa County5.6359K63,8288,938544
37Shasta County5.6452K81,28210,992520
38San Benito County5.5147K26,70312,335450
39Modoc County5.536K6,5982,312190
40Placer County5.2977K187,52520,493548
41Merced County4.7264K56,07717,949749
42Solano County4.5849K187,6908,004332
43Tulare County4.2779K186,93915,085485
44San Diego County3.85.2M1,362,92920,338275
45San Joaquin County3.71.2M324,54361,218394
46Orange County3.54.4M1,255,530253,449325
47Santa Clara County3.42.9M844,71540,070100
48Yolo County3.3332K101,5095,003586
49Fresno County3.21.5M458,0848,607167
50Contra Costa County3.01.5M486,94511,336278
51Kings County3.0191K62,9989,958575
52Alameda County2.82.1M751,61611,925164
53Sutter County2.8117K42,3233,924597
54Imperial County2.7196K72,6914,55538
55Sacramento County1.3836K625,56625,268632
56Lassen County1.016K15,44076766
57Stanislaus County0.483K219,1565,165526
58Trinity County-46K-995123

Biggest California outages of 2025

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Los Angeles County, CAJanuary 8, 2025 15:45March 20, 2025 20:3071d 4h1,717,88627.9M
2San Bernardino County, CAJanuary 8, 2025 19:30January 17, 2025 11:158d 15h840,5556.4M
3Los Angeles County, CAJanuary 6, 2025 16:15January 8, 2025 15:001d 22h331,150855K
4Ventura County, CAJanuary 8, 2025 19:30January 17, 2025 00:458d 5h317,6584.4M
5Orange County, CAJanuary 8, 2025 05:00January 18, 2025 01:309d 20h253,449925K
6San Bernardino County, CAJanuary 8, 2025 05:00January 8, 2025 15:0010h241,888303K
7Los Angeles County, CANovember 1, 2025 06:30November 9, 2025 03:457d 21h167,769358K
8San Francisco County, CADecember 20, 2025 10:45December 28, 2025 08:457d 22h131,8981.7M
9San Francisco County, CAMay 19, 2025 19:15May 22, 2025 09:152d 14h123,46946K
10Riverside County, CAJanuary 8, 2025 05:00January 17, 2025 00:308d 19h105,5575.8M
11San Bernardino County, CAAugust 5, 2025 13:15August 7, 2025 11:451d 22h96,650400K
12Kern County, CAJanuary 8, 2025 03:45January 9, 2025 15:301d 11h79,327154K
13San Joaquin County, CAJune 19, 2025 13:30June 22, 2025 08:302d 19h61,218565K
14Ventura County, CAJanuary 8, 2025 15:45January 8, 2025 18:453h53,14980K
15Los Angeles County, CASeptember 10, 2025 14:45September 21, 2025 13:0010d 22h52,586337K
16Ventura County, CAJanuary 8, 2025 05:00January 8, 2025 15:0010h45,368212K
17Riverside County, CAJanuary 20, 2025 15:00January 25, 2025 20:455d 5h43,2201.4M
18San Bernardino County, CAJanuary 8, 2025 15:45January 8, 2025 18:453h43,04060K
19Santa Clara County, CAMarch 20, 2025 23:30April 2, 2025 11:0012d 11h40,070111K
20San Bernardino County, CAOctober 27, 2025 13:30October 28, 2025 06:1516h 45m40,065167K
21Santa Clara County, CAMarch 4, 2025 15:15March 20, 2025 13:4515d 22h39,388345K
22San Bernardino County, CAJuly 18, 2025 08:00July 20, 2025 01:001d 17h37,914102K
23San Mateo County, CAJanuary 14, 2025 16:45January 19, 2025 13:004d 20h36,840146K
24San Bernardino County, CAJune 27, 2025 15:00June 29, 2025 22:452d 7h35,870287K
25Orange County, CASeptember 3, 2025 15:45September 6, 2025 14:002d 22h35,84744K
EAGLE-I tracked about n/a of California's electricity customers in 2025; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
California by year:2024202320222021202020192018201720162015
Other states in 2025:WVMIAKPAMOVANCAR

Part of the 2025 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.