Yolo County, California Power Outages, 2015 to 2023

Yolo County, California had 20 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 0.91 times the US outage time per person and 1.02 times the California rate. It ranks 29 of 55 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.2major outages per year

5 of 9years with a major outage

132 hrslongest major outage

Jan, Octhardest months

January and October made up 70% of this county's outage time. The largest outage on record began Jan 27, 2021, reached 30,190 customers, and left at least 200 customers out for 34.5 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.

0.5M

1.5M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	135,165	246	0
2016	103,550	82	0
2017	0	0	0
2018	121,678	61	0
2019	546,269	147	4
2020	262,963	147	1
2021	1,383,050	114	6
2022	282,714	135	1
2023	1,699,756	146	8

When outages hit

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

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Jan 27, 2021	34.5	30,190	788,802
Jan 1, 2023	64.2	27,261	703,590
Jan 8, 2023	27.5	25,663	385,648
Jan 28, 2021	24.0	18,491	295,122
Jan 8, 2023	8.2	25,935	173,956

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.