Baltimore County, Maryland Power Outages, 2015 to 2023

Baltimore County, Maryland had 1 major outage from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.27 times the US outage time per person and 0.68 times the Maryland rate. It ranks 20 of 24 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.1major outages per year

1 of 9years with a major outage

13 hrslongest major outage

Jul, Aughardest months

July and August made up 39% of this county's outage time. The largest outage on record began Jul 14, 2022, reached 14,987 customers, and left at least 200 customers out for 13.2 hours.

Outage time per resident, rated Maryland counties

MostLeast

Outage impact by year

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

0.5M

1.5M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	375,897	751	0
2016	476,808	1031	0
2017	338,674	588	0
2018	602,007	1386	0
2019	556,655	1269	0
2020	382,374	1065	0
2021	589,610	1575	0
2022	1,075,285	1527	1
2023	609,182	1172	0

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
Jul 14, 2022	13.2	14,987	165,907
Jul 15, 2022	19.2	7,386	95,197
Jul 15, 2022	5.0	9,560	46,184
Jun 19, 2018	6.2	6,946	32,311
Jul 16, 2022	9.8	4,785	26,039

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.