Maryland Power Outages by County

Maryland averaged 0.39 times the US outage time per person

That ranks 41 of 50 states and DC, where 1 has the most. July and March made up 38% of outage time. Records run from 2015 to 2023, and some counties start later.

Garrett County had the most outage time per resident of 24 rated counties.

Counties ranked by outage time

Rank	County	Major outages per year	Longest (hours)	Times US rate
1	Garrett County	2.9	90	1.69
2	Cecil County	2.4	66	0.96
3	Allegany County	2.3	78	0.92
4	Carroll County	1.8	120	0.71
5	Worcester County	0.6	27	0.62
6	St. Mary's County	1.8	62	0.61
7	Charles County	1.3	104	0.58
8	Harford County	2.4	116	0.57
9	Calvert County	1.1	76	0.55
10	Queen Anne's County	0.4	25	0.42
11	Somerset County	0.6	20	0.41
12	Talbot County	0.3	30	0.40
13	Anne Arundel County	2.1	56	0.37
13	Prince George's County	1.2	106	0.37
15	Baltimore City	0.1	9	0.35
15	Frederick County	2.3	61	0.35
17	Montgomery County	1.2	91	0.34
18	Dorchester County	0.7	24	0.33
19	Caroline County	0.3	29	0.29
20	Baltimore County	0.1	13	0.27
20	Washington County	1.3	32	0.27
22	Howard County	1.2	60	0.26
23	Wicomico County	0.7	31	0.25
24	Kent County	0.3	10	0.22

Rank uses outage time per resident. Times US rate compares each county with the national average.

When outages hit Maryland

Share of the state's customer-hours by month.

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Maryland averaged 0.39 times the US outage time per person

Counties ranked by outage time

When outages hit Maryland

Get ready before the next storm season