Cobb County, Georgia Power Outages, 2015 to 2023

Cobb County, Georgia had 7 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.36 times the US outage time per person and 0.41 times the Georgia rate. It ranks 134 of 148 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.8major outages per year

4 of 9years with a major outage

100 hrslongest major outage

Dec, Octhardest months

December and October made up 59% of this county's outage time. The largest outage on record began Dec 8, 2017, reached 67,177 customers, and left at least 200 customers out for 100.2 hours.

Outage time per resident, rated Georgia counties

MostLeast

Outage impact by year

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

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	181,734	169	0
2016	322,719	260	0
2017	2,446,828	227	2
2018	311,434	203	1
2019	249,773	145	0
2020	1,505,263	148	1
2021	206,500	123	0
2022	412,660	181	0
2023	617,078	250	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
Dec 8, 2017	100.2	67,177	2,038,512
Oct 29, 2020	85.5	65,007	1,265,708
Jun 25, 2023	24.0	22,843	103,944
Sep 11, 2017	48.2	6,242	97,927
Sep 14, 2019	23.2	6,735	70,138

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.