Fairfax City power outages

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

This county is not rated. Its numbers may not reflect what residents experienced.

Fairfax City, Virginia had 68 major outages from 2015 to 2023

Not rated

We show this record but do not rank it because the history is short, the population is very small, or customer counts look too high for the population. Treat these numbers with caution. Data confidence: Low, with 9 years of records.

7.6major outages per year
4 of 9years with a major outage
91 hrslongest major outage
Mar, Mayhardest months

March and May made up 64% of this county's outage time. The largest outage on record began Mar 2, 2018, reached 136,046 customers, and left at least 200 customers out for 91.0 hours.

Outage time per resident, rated Virginia counties
MostLeast

Outage impact by year

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

0
2M
4M
6M
8M
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201521,557160
201619,859210
201771,542372
20185,602,16148521
20192,059,05843224
20201,143,10932521
202113,184800
202254,4272480
202324,6461390

When outages hit

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

0%
20%
40%
60%
80%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Mar 2, 201891.0136,0464,581,291
May 23, 201970.253,115536,189
May 30, 201921.825,761169,798
Jul 22, 202031.024,288157,009
Jul 3, 201927.519,573156,178

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.

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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.