massoutage

2018 Maryland Power Outage Report

In 2018, the average Maryland customer went without power for about 5.5 hours — the 16th 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
108,677
Rank (worst state)
16th
Counties affected
20

Maryland outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit Maryland counties in 2018

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

1Montgomery County108,6772Prince George's County85,0713Baltimore County52,2974Harford County45,9955Anne Arundel County32,3616Baltimore city29,5727Howard County21,2208Cecil County18,9649Wicomico County17,13510Queen Anne's County14,13211Charles County12,26912St. Mary's County11,85213Worcester County9,32814Frederick County7,30115Carroll County6,07716Calvert County5,61317Washington County4,99918Garrett County4,50819Allegany County3,95120Dorchester County3,067

Biggest Maryland outages of 2018

CountyBeganPeak customers out
Montgomery CountyMarch 2, 2018108,677
Prince George's CountyMarch 1, 201885,071
Baltimore CountyMarch 3, 201852,297
Baltimore CountyMarch 3, 201851,048
Baltimore CountyMarch 3, 201849,637
Harford CountyMarch 2, 201845,995
Baltimore CountyMarch 3, 201842,174
Baltimore CountyMarch 4, 201836,054
Anne Arundel CountyMarch 3, 201832,361
Anne Arundel CountyMarch 3, 201832,056
Maryland by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.