massoutage

2019 Maryland Power Outage Report

In 2019, the average Maryland customer went without power for about 2.6 hours, the 33rd worst of 51 states (US average 4.6 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.6
vs prior year
▼ 53%
vs 2018
Customer-hours out
6.9M
Peak customers out
56,015
across the state at once
EAGLE-I coverage
97%
of MD customers
Counties reporting
24

Maryland year over year

Maryland: average hours without power per customer by year2015: 2.0h; 2016: 2.2h; 2017: 1.9h; 2018: 5.5h, coverage 98%; 2019: 2.6h, coverage 97%; 2020: 2.2h, coverage 98%; 2021: 2.5h, coverage 99%; 2022: 5.5h, coverage 99%; 2023: 3.6h; 2024: 2.8h; 2025: 4.2h02460%50%100%2.0h20152.2h20161.9h20175.5h20182.6h20192.2h20202.5h20215.5h20223.6h20232.8h20244.2h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2019

Customer-hours without power across Maryland; July was the worst.

CSVJSON
Maryland customer-hours without power by month, 2019Jan 328K, Feb 855K, Mar 230K, Apr 416K, May 862K, Jun 579K, Jul 1.3M, Aug 599K, Sep 239K, Oct 360K, Nov 649K, Dec 481K0500k1M1.5M328KJan855KFeb230KMar416KApr862KMay579KJun1.3MJul599KAug239KSep360KOct649KNov481KDec
Use the arrow keys to read values.

All 24 Maryland counties, 2019

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Garrett County33.6456K13,5888,670418
2Allegany County15.0488K32,5046,327622
3Cecil County3.9221K57,2025,189816
4Carroll County3.5250K71,0734,524613
5Frederick County3.3439K132,1736,196809
6Somerset County3.246K14,3182,935436
7Washington County2.8185K65,2764,247732
8St. Mary's County2.7149K55,8986,830857
9Baltimore city2.7739K277,9248,335297
10Baltimore County2.4902K370,22416,929198
11Howard County2.4355K146,0949,812508
12Charles County2.4178K73,4946,5251,002
13Harford County2.3263K112,5365,241515
14Worcester County2.372K31,5425,135777
15Anne Arundel County2.0505K253,75137,786337
16Queen Anne's County1.949K26,4657,181596
17Prince George's County1.8640K349,7738,764519
18Calvert County1.872K39,4581,971720
19Montgomery County1.8718K395,74823,950686
20Caroline County1.831K17,5875,105497
21Dorchester County1.630K18,0933,681576
22Wicomico County1.171K61,5463,360834
23Kent County0.910K10,9031,555191
24Talbot County0.721K29,1802,852480

Biggest Maryland outages of 2019

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Anne Arundel County, MDApril 25, 2019 10:30April 26, 2019 03:4517h 15m37,78614K
2Montgomery County, MDMay 23, 2019 11:00May 25, 2019 03:451d 16h23,95084K
3Baltimore County, MDJuly 17, 2019 06:45July 18, 2019 01:3018h 45m16,92943K
4Montgomery County, MDOctober 31, 2019 12:45November 3, 2019 00:152d 11h12,70538K
5Baltimore County, MDJuly 27, 2019 19:00August 15, 2019 07:3018d 12h12,68672K
6Baltimore County, MDJuly 18, 2019 02:15July 27, 2019 18:159d 16h11,787195K
7Baltimore County, MDMay 28, 2019 08:00June 12, 2019 06:3014d 22h10,74498K
8Howard County, MDMay 20, 2019 21:30May 26, 2019 03:155d 5h9,81254K
9Prince George's County, MDJanuary 11, 2019 06:45January 12, 2019 07:301d8,76410K
10Garrett County, MDDecember 16, 2019 23:45December 21, 2019 20:004d 20h8,670255K
11Baltimore city, MDFebruary 7, 2019 00:30February 7, 2019 00:4515m8,3352,084
12Howard County, MDOctober 5, 2019 17:15October 11, 2019 09:455d 16h8,2146,940
13Baltimore city, MDAugust 6, 2019 09:30August 12, 2019 09:005d 23h8,21250K
14Anne Arundel County, MDMay 2, 2019 18:30May 7, 2019 08:304d 14h8,19815K
15Prince George's County, MDMay 22, 2019 09:30May 25, 2019 05:002d 19h8,09041K
16Prince George's County, MDAugust 20, 2019 11:30August 22, 2019 08:151d 20h7,99119K
17Anne Arundel County, MDAugust 22, 2019 10:15August 26, 2019 08:003d 21h7,97431K
18Prince George's County, MDJuly 16, 2019 09:00July 21, 2019 06:154d 21h7,90749K
19Prince George's County, MDJuly 6, 2019 12:00July 7, 2019 22:151d 10h7,85517K
20Baltimore city, MDMay 29, 2019 11:00June 4, 2019 17:456d 6h7,68274K
21Queen Anne's County, MDOctober 11, 2019 13:00October 11, 2019 18:305h 30m7,1811,800
22Prince George's County, MDOctober 31, 2019 19:30November 8, 2019 01:457d 6h7,01725K
23St. Mary's County, MDFebruary 20, 2019 12:30February 21, 2019 04:0015h 30m6,8304,035
24Charles County, MDSeptember 11, 2019 21:00September 12, 2019 01:454h 45m6,5256,764
25Montgomery County, MDJuly 2, 2019 11:00July 6, 2019 08:003d 21h6,37848K
EAGLE-I tracked about 97% of Maryland's electricity customers in 2019; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2019:WVMINCLACAVTVAAR

Part of the 2019 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.