Harris County, Texas Power Outages, 2015 to 2023

Harris County, Texas had 8 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.42 times the US outage time per person and 0.47 times the Texas rate. It ranks 168 of 189 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.9major outages per year

4 of 9years with a major outage

123 hrslongest major outage

Feb, Junhardest months

February and June made up 46% of this county's outage time. The largest outage on record began Feb 16, 2021, reached 455,986 customers, and left at least 200 customers out for 39.2 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

20M

30M

40M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	1,100,752	324	1
2016	11,998	10	0
2017	326,338	168	0
2018	3,834,947	1407	0
2019	6,381,810	987	0
2020	5,241,900	1400	1
2021	21,118,169	1008	4
2022	2,740,681	1066	0
2023	5,866,530	1087	2

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 16, 2021	39.2	455,986	11,744,509
Sep 13, 2021	123.2	118,851	2,295,545
Feb 17, 2021	17.5	305,122	2,080,234
Jun 21, 2023	102.2	88,095	1,531,386
Oct 4, 2019	285.2	19,235	1,458,061

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.