Marin County, California Power Outages, 2018 to 2023

Marin County, California had 34 major outages from 2018 to 2023

Higher outage time among US counties

Residents here averaged 2.62 times the US outage time per person and 2.92 times the California rate. It ranks 19 of 55 in the state, where 1 has the most. Data confidence: Medium, with 6 years of records.

5.7major outages per year

6 of 6years with a major outage

48 hrslongest major outage

Oct, Janhardest months

October and January made up 77% of this county's outage time. The largest outage on record began Oct 28, 2019, reached 122,875 customers, and left at least 200 customers out for 6.8 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.

2018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2018	141,428	88	1
2019	6,428,868	193	8
2020	736,922	179	4
2021	733,935	179	7
2022	459,160	211	2
2023	1,350,401	246	12

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
Oct 28, 2019	6.8	122,875	828,908
Oct 28, 2019	6.5	122,875	714,388
Oct 27, 2019	4.5	122,798	552,591
Oct 28, 2019	4.2	122,816	521,968
Oct 27, 2019	3.8	122,798	460,492

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.