massoutage

2022 Maryland Power Outage Report

In 2022, the average Maryland customer went without power for about 5.5 hours — the 19th worst of any US state that year, 1.7× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.5
Peak customers out
120,582
Rank (worst state)
19th
Counties affected
20

Maryland outages over the decade

Average hours without power per customer, 2022 highlighted.

2.0h20152.2h20161.9h20175.5h20182.6h20192.2h20202.5h20215.5h20223.6h20232.8h20244.2h2025

Hardest-hit Maryland counties in 2022

By peak customers out during the year's worst event.

1Montgomery County120,5822Prince George's County64,5223Baltimore County41,9624Anne Arundel County34,4975Harford County31,5516Carroll County29,7367Baltimore city21,8508Frederick County17,7339Charles County17,41410Cecil County16,59511St. Mary's County14,05412Calvert County12,58113Howard County6,27414Worcester County5,25715Washington County4,69816Wicomico County4,13017Garrett County4,01818Kent County3,91919Allegany County3,45820Caroline County3,358

Biggest Maryland outages of 2022

CountyBeganPeak customers out
Montgomery CountyNovember 27, 2022120,582
Prince George's CountyJuly 12, 202264,522
Baltimore CountyJuly 11, 202241,962
Anne Arundel CountyJanuary 3, 202234,497
Harford CountyJuly 11, 202231,551
Carroll CountyJuly 11, 202229,736
Montgomery CountyJuly 2, 202227,552
Baltimore cityJuly 28, 202221,850
Montgomery CountyJune 4, 202219,620
Prince George's CountyJanuary 3, 202219,563
Maryland by year:20252024202320212020201920182017
Other states in 2022:MENCFLWVVTAK

Part of the 2022 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.