Dallas County, Texas Power Outages, 2015 to 2023

Dallas County, Texas had 13 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 0.85 times the US outage time per person and 0.94 times the Texas rate. It ranks 125 of 189 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.4major outages per year

5 of 9years with a major outage

124 hrslongest major outage

Feb, Junhardest months

February and June made up 62% of this county's outage time. The largest outage on record began Feb 14, 2021, reached 358,650 customers, and left at least 200 customers out for 102.0 hours.

Outage time per resident, rated Texas counties

MostLeast

Outage impact by year

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

10M

15M

20M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	1,824,438	720	0
2016	0	0	0
2017	142,348	117	0
2018	2,083,590	1071	0
2019	16,069,393	937	5
2020	2,383,220	950	2
2021	19,165,131	1010	4
2022	4,374,998	1033	1
2023	3,541,288	996	1

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
Feb 14, 2021	102.0	358,650	15,990,580
Jun 9, 2019	107.0	313,327	10,494,313
Oct 21, 2019	124.5	83,944	2,527,324
Sep 4, 2022	57.8	120,548	1,683,206
Mar 3, 2023	49.2	105,907	899,872

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.