Loudoun County, Virginia Power Outages, 2015 to 2023

Loudoun County, Virginia had 25 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.33 times the US outage time per person and 0.29 times the Virginia rate. It ranks 112 of 119 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.8major outages per year

8 of 9years with a major outage

91 hrslongest major outage

Mar, Junhardest months

March and June made up 39% of this county's outage time. The largest outage on record began Mar 2, 2018, reached 26,910 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.

0.25M

0.5M

0.75M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	116,329	96	0
2016	282,095	116	2
2017	182,810	88	2
2018	984,737	84	3
2019	439,373	127	7
2020	222,925	104	1
2021	322,871	105	3
2022	359,236	120	4
2023	337,694	131	3

When outages hit

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

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Mar 2, 2018	91.0	26,910	731,450
Jun 22, 2022	53.2	5,748	83,388
Aug 7, 2023	13.2	22,969	81,476
Apr 30, 2021	30.8	9,688	79,696
Jul 21, 2019	25.5	13,393	79,586

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.