Montgomery County power outages

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

Montgomery County, Virginia had 36 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.21 times the US outage time per person and 1.04 times the Virginia rate. It ranks 61 of 119 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

4.0major outages per year
9 of 9years with a major outage
138 hrslongest major outage
Mar, Febhardest months

March and February made up 46% of this county's outage time. The largest outage on record began Mar 24, 2018, reached 14,642 customers, and left at least 200 customers out for 138.0 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
0.5M
1M
1.5M
2M
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
2015160,392593
2016226,335603
2017112,964512
20181,100,932655
2019177,400625
2020163,376525
2021227,875525
2022261,975775
2023197,102633

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
Mar 24, 2018138.014,642822,461
Nov 15, 201852.83,48483,108
Feb 13, 202150.53,21769,714
Dec 15, 201628.53,34359,389
Apr 3, 201619.04,84056,987

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

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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.