Orange County, California Power Outages, 2015 to 2023

Orange County, California had 2 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.38 times the US outage time per person and 0.43 times the California rate. It ranks 46 of 55 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.2major outages per year

2 of 9years with a major outage

17 hrslongest major outage

Oct, Julhardest months

October and July made up 20% of this county's outage time. The largest outage on record began Oct 4, 2019, reached 83,382 customers, and left at least 200 customers out for 4.2 hours.

Outage time per resident, rated California counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	4,183,393	1021	0
2016	3,872,059	827	1
2017	3,208,434	716	0
2018	669,899	270	0
2019	3,080,751	726	0
2020	2,477,000	829	0
2021	3,167,553	777	1
2022	3,117,565	927	0
2023	2,945,823	813	0

When outages hit

Share of this county's customer-hours by month.

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 4, 2019	4.2	83,382	344,914
Apr 22, 2021	17.2	106,514	273,297
Dec 2, 2019	7.0	77,647	201,359
Sep 6, 2020	75.2	7,684	185,994
Jul 13, 2022	13.2	14,363	185,320

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.