massoutage

2025 Maryland Power Outage Report

In 2025, the average Maryland customer went without power for about 4.2 hours — the 28th worst of any US state that year, 1.3× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
4.2
Peak customers out
37,514
Rank (worst state)
28th
Counties affected
20

Maryland outages over the decade

Average hours without power per customer, 2025 highlighted.

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

Hardest-hit Maryland counties in 2025

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

1Baltimore County37,5142Anne Arundel County33,1373Prince George's County29,6314Montgomery County29,0305Cecil County28,5276Wicomico County25,1297Washington County21,0008Worcester County20,9099Howard County16,39610Harford County16,15611Baltimore city14,70412Carroll County11,79113St. Mary's County11,74514Allegany County9,88915Calvert County8,49816Charles County8,11617Dorchester County6,52818Queen Anne's County5,92019Garrett County5,80820Frederick County4,749

Biggest Maryland outages of 2025

CountyBeganPeak customers out
Baltimore CountyMay 12, 202537,514
Anne Arundel CountyMay 26, 202533,137
Baltimore CountyFebruary 11, 202532,695
Prince George's CountyJune 18, 202529,631
Montgomery CountyJune 18, 202529,030
Cecil CountyJune 19, 202528,527
Prince George's CountyMay 9, 202527,694
Cecil CountyAugust 7, 202527,330
Anne Arundel CountyFebruary 12, 202526,143
Wicomico CountyJanuary 29, 202525,129
Maryland by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCMO

Part of the 2025 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.