Inyo County power outages

California outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

Inyo County, California had 17 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 0.88 times the US outage time per person and 0.98 times the California rate. It ranks 32 of 55 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.9major outages per year
6 of 9years with a major outage
64 hrslongest major outage
Oct, Febhardest months

October and February made up 37% of this county's outage time. The largest outage on record began Feb 25, 2023, reached 3,818 customers, and left at least 200 customers out for 10.5 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
50K
100K
150K
200K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201519,193171
20161,68170
201743,044190
201821,266182
201951,724405
202014,179102
202130,803180
202261,584361
2023113,842356

When outages hit

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

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Feb 25, 202310.53,81824,849
Oct 17, 20174.54,38518,766
Dec 24, 202363.830418,123
Oct 10, 20173.84,41516,490
Sep 3, 202212.82,23412,646

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.

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.

Look up another county

Counties ranked nearby

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.