Maryland Power Outage History
24 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.
Counties tracked
24
Avg national percentile
69th
Higher = more reliable
Grade F counties
0
County rankings (worst to best)
| County | Grade | National percentile |
|---|---|---|
| Garrett County | D | 27th |
| Allegany County | C | 43rd |
| Carroll County | C | 49th |
| Cecil County | C | 51st |
| Harford County | C | 56th |
| Baltimore County | C | 58th |
| Baltimore County | B | 65th |
| Prince George's County | B | 67th |
| Worcester County | B | 67th |
| Anne Arundel County | B | 69th |
| Montgomery County | B | 71st |
| Washington County | B | 72nd |
| Somerset County | B | 74th |
| Frederick County | B | 74th |
| Calvert County | B | 76th |
| Howard County | B | 78th |
| Caroline County | B | 79th |
| Queen Anne's County | B | 79th |
| Charles County | A | 80th |
| St. Mary's County | A | 81st |
| Dorchester County | A | 83rd |
| Talbot County | A | 84th |
| Kent County | A | 86th |
| Wicomico County | A | 88th |