massoutage

2020 Maryland Power Outage Report

In 2020, the average Maryland customer went without power for about 2.2 hours — the 42nd worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.2
Peak customers out
19,913
Rank (worst state)
42nd
Counties affected
20

Maryland outages over the decade

Average hours without power per customer, 2020 highlighted.

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

Hardest-hit Maryland counties in 2020

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

1Anne Arundel County19,9132Cecil County15,0153Prince George's County14,8594Wicomico County14,7125Calvert County11,6756Worcester County11,3607Montgomery County10,8728Baltimore County10,6329St. Mary's County10,17310Baltimore city9,20511Dorchester County7,83712Talbot County7,79013Frederick County6,91714Harford County6,04715Caroline County5,79116Queen Anne's County5,69717Allegany County5,17418Garrett County4,56119Washington County4,11720Howard County3,424

Biggest Maryland outages of 2020

CountyBeganPeak customers out
Anne Arundel CountyAugust 1, 202019,913
Cecil CountyAugust 4, 202015,015
Prince George's CountyJuly 6, 202014,859
Wicomico CountyAugust 4, 202014,712
Calvert CountyAugust 4, 202011,675
Worcester CountyAugust 4, 202011,360
Montgomery CountySeptember 9, 202010,872
Baltimore CountyJuly 6, 202010,632
St. Mary's CountyAugust 4, 202010,173
Baltimore cityJuly 17, 20209,205
Maryland by year:20252024202320222021201920182017
Other states in 2020:LAMEOKIAALNC

Part of the 2020 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.