Baltimore City power outages

Maryland outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

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

Lower outage time among US counties

Residents here averaged 0.35 times the US outage time per person and 0.90 times the Maryland rate. It ranks 15 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
9 hrslongest major outage
Jul, Aughardest months

July and August made up 36% of this county's outage time. The largest outage on record began Aug 6, 2019, reached 8,212 customers, and left at least 200 customers out for 9.0 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
200K
400K
600K
800K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
2015381,4387260
2016396,31010400
2017284,7976430
2018622,72615430
2019554,81313271
2020451,12011180
2021596,91015490
2022610,55716960
2023538,19014480

When outages hit

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

0%
5%
10%
15%
20%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Aug 6, 20199.08,21230,232
May 14, 201512.51,43817,975
Mar 18, 20157.83,33915,069
Dec 7, 201915.22,10014,482
Jul 2, 201811.82,15011,448

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.

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.

Look up another county

Counties ranked nearby

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.