PowerOutageHistory

Maryland Power Outage History

24 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.

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Counties tracked
24
Avg national percentile
69th
Higher = more reliable
Grade F counties
0

Maryland county map

Washington County: Grade B (click for details)Allegany County: Grade C (click for details)Caroline County: Grade B (click for details)Wicomico County: Grade A (click for details)St. Mary's County: Grade A (click for details)Carroll County: Grade C (click for details)Dorchester County: Grade A (click for details)Garrett County: Grade D (click for details)Kent County: Grade A (click for details)Montgomery County: Grade B (click for details)Talbot County: Grade A (click for details)Baltimore County: Grade B (click for details)Cecil County: Grade C (click for details)Howard County: Grade B (click for details)Calvert County: Grade B (click for details)Queen Anne's County: Grade B (click for details)Charles County: Grade A (click for details)Somerset County: Grade B (click for details)Worcester County: Grade B (click for details)Anne Arundel County: Grade B (click for details)Harford County: Grade C (click for details)Baltimore County: Grade C (click for details)Frederick County: Grade B (click for details)Prince George's County: Grade B (click for details)

Hover a county for its reliability grade

Reliability grade:ABCDF

County rankings (worst to best)

CountyGradeNational percentile
Garrett CountyD27th
Allegany CountyC43rd
Carroll CountyC49th
Cecil CountyC51st
Harford CountyC56th
Baltimore CountyC58th
Baltimore CountyB65th
Prince George's CountyB67th
Worcester CountyB67th
Anne Arundel CountyB69th
Montgomery CountyB71st
Washington CountyB72nd
Somerset CountyB74th
Frederick CountyB74th
Calvert CountyB76th
Howard CountyB78th
Caroline CountyB79th
Queen Anne's CountyB79th
Charles CountyA80th
St. Mary's CountyA81st
Dorchester CountyA83rd
Talbot CountyA84th
Kent CountyA86th
Wicomico CountyA88th