massoutage

2022 Maryland Power Outage Report

In 2022, the average Maryland customer went without power for about 5.5 hours, the 19th worst of 51 states (US average 6.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
5.5
vs prior year
▲ 119%
vs 2021
Customer-hours out
14.6M
Peak customers out
200,965
across the state at once
EAGLE-I coverage
99%
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, 2022

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

CSVJSON
Maryland customer-hours without power by month, 2022Jan 2.0M, Feb 498K, Mar 369K, Apr 196K, May 595K, Jun 535K, Jul 5.6M, Aug 1.5M, Sep 307K, Oct 273K, Nov 767K, Dec 2.1M02M4M6M2.0MJan498KFeb369KMar196KApr595KMay535KJun5.6MJul1.5MAug307KSep273KOct767KNov2.1MDec
Use the arrow keys to read values.

All 24 Maryland counties, 2022

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Carroll County12.9920K71,07329,736544
2Garrett County11.0149K13,5884,018444
3Harford County9.61.1M112,53631,551392
4Calvert County9.5374K39,45812,581702
5Charles County9.4690K73,49417,414932
6St. Mary's County7.8435K55,89814,054912
7Baltimore County7.82.9M370,22441,962150
8Cecil County7.0402K57,20216,595729
9Allegany County7.0227K32,5043,458579
10Prince George's County5.62.0M349,77364,522445
11Baltimore city4.91.4M277,92421,850138
12Anne Arundel County4.21.1M253,75134,497270
13Montgomery County4.21.7M395,748120,582645
14Frederick County3.6475K132,17317,733803
15Washington County3.4224K65,2764,698682
16Worcester County3.198K31,5425,257834
17Howard County2.4358K146,0946,274365
18Kent County2.122K10,9033,919474
19Dorchester County2.036K18,0932,307602
20Somerset County2.028K14,318805511
21Caroline County1.629K17,5873,358563
22Queen Anne's County1.643K26,4651,840629
23Wicomico County1.272K61,5464,130822
24Talbot County0.825K29,1801,975491

Biggest Maryland outages of 2022

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Montgomery County, MDNovember 27, 2022 22:45November 30, 2022 00:452d 2h120,582546K
2Prince George's County, MDJuly 12, 2022 11:15July 20, 2022 11:308d64,522990K
3Baltimore County, MDJuly 11, 2022 10:30October 9, 2022 04:4589d 18h41,9621.9M
4Anne Arundel County, MDJanuary 3, 2022 03:45January 9, 2022 15:006d 11h34,497242K
5Harford County, MDJuly 11, 2022 19:30July 22, 2022 10:0010d 14h31,551804K
6Carroll County, MDJuly 11, 2022 12:00July 21, 2022 07:309d 19h29,736665K
7Montgomery County, MDJuly 2, 2022 23:30July 6, 2022 01:153d 1h27,552188K
8Baltimore city, MDJuly 28, 2022 11:30September 16, 2022 03:1549d 15h21,850598K
9Montgomery County, MDJune 4, 2022 09:45June 4, 2022 16:457h19,6204,958
10Prince George's County, MDJanuary 3, 2022 12:45January 11, 2022 11:457d 23h19,563275K
11Montgomery County, MDDecember 22, 2022 13:45December 29, 2022 01:456d 12h19,429201K
12Anne Arundel County, MDDecember 22, 2022 01:30December 31, 2022 17:459d 16h18,158225K
13Frederick County, MDDecember 8, 2022 20:00December 8, 2022 20:3030m17,7334,435
14Baltimore County, MDDecember 22, 2022 12:15January 1, 2023 00:009d 11h17,674396K
15Charles County, MDJanuary 3, 2022 12:45January 8, 2022 04:154d 15h17,414482K
16Montgomery County, MDJuly 12, 2022 12:15July 17, 2022 21:455d 9h16,882133K
17Cecil County, MDMarch 11, 2022 14:45March 11, 2022 20:305h 45m16,59529K
18Prince George's County, MDMay 16, 2022 10:00May 18, 2022 05:451d 19h14,14338K
19St. Mary's County, MDJanuary 3, 2022 11:00January 7, 2022 14:454d 3h14,054243K
20Montgomery County, MDMay 30, 2022 13:15May 30, 2022 17:154h13,6926,972
21Anne Arundel County, MDJuly 24, 2022 11:00August 14, 2022 06:0020d 19h13,418167K
22Prince George's County, MDMay 30, 2022 21:30June 5, 2022 04:455d 7h13,29922K
23Prince George's County, MDJuly 20, 2022 12:45August 13, 2022 22:3024d 9h13,023118K
24Baltimore city, MDDecember 20, 2022 09:30January 1, 2023 00:0011d 14h12,891224K
25Charles County, MDMay 16, 2022 21:00May 17, 2022 07:3010h 30m12,81220K
EAGLE-I tracked about 99% of Maryland's electricity customers in 2022; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2022:MEFLWVNCVTAKMIVA

Part of the 2022 US Power Outage Report.

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