2025 Maryland Power Outage Report
In 2025, the average Maryland customer went without power for about 4.2 hours, the 28th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
4.2
vs prior year
▲ 48%
vs 2024
Customer-hours out
11.1M
Peak customers out
143,294
across the state at once
EAGLE-I coverage
n/a
of MD customers
Counties reporting
24
Maryland year over year
All 24 Maryland counties, 2025
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Garrett County | 18.2 | 248K | 13,588 | 5,808 | 457 |
| 2 | Allegany County | 11.9 | 385K | 32,504 | 9,889 | 614 |
| 3 | Washington County | 10.5 | 688K | 65,276 | 21,000 | 710 |
| 4 | Worcester County | 7.0 | 222K | 31,542 | 20,909 | 775 |
| 5 | Cecil County | 6.8 | 389K | 57,202 | 28,527 | 745 |
| 6 | Carroll County | 6.3 | 450K | 71,073 | 11,791 | 447 |
| 7 | Baltimore County | 5.5 | 2.0M | 370,224 | 37,514 | 92 |
| 8 | Calvert County | 5.2 | 207K | 39,458 | 8,498 | 701 |
| 9 | Anne Arundel County | 4.4 | 1.1M | 253,751 | 33,137 | 121 |
| 10 | Harford County | 4.2 | 478K | 112,536 | 16,156 | 513 |
| 11 | St. Mary's County | 3.9 | 220K | 55,898 | 11,745 | 892 |
| 12 | Kent County | 3.5 | 38K | 10,903 | 3,486 | 448 |
| 13 | Howard County | 3.3 | 480K | 146,094 | 16,396 | 366 |
| 14 | Queen Anne's County | 3.2 | 86K | 26,465 | 5,920 | 631 |
| 15 | Baltimore city | 3.2 | 891K | 277,924 | 14,704 | 41 |
| 16 | Prince George's County | 3.1 | 1.1M | 349,773 | 29,631 | 387 |
| 17 | Montgomery County | 2.9 | 1.2M | 395,748 | 29,030 | 536 |
| 18 | Frederick County | 2.9 | 381K | 132,173 | 4,749 | 760 |
| 19 | Wicomico County | 2.6 | 157K | 61,546 | 25,129 | 872 |
| 20 | Dorchester County | 2.5 | 46K | 18,093 | 6,528 | 578 |
| 21 | Caroline County | 2.5 | 44K | 17,587 | 3,562 | 547 |
| 22 | Charles County | 2.5 | 181K | 73,494 | 8,116 | 978 |
| 23 | Somerset County | 2.2 | 32K | 14,318 | 2,986 | 472 |
| 24 | Talbot County | 1.4 | 41K | 29,180 | 2,994 | 520 |
Biggest Maryland outages of 2025
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Baltimore County, MD | May 12, 2025 10:45 | June 9, 2025 05:00 | 27d 18h | 37,514 | 696K |
| 2 | Anne Arundel County, MD | May 26, 2025 21:15 | November 25, 2025 12:00 | 182d 14h | 33,137 | 577K |
| 3 | Baltimore County, MD | February 11, 2025 12:15 | February 28, 2025 11:15 | 16d 23h | 32,695 | 634K |
| 4 | Prince George's County, MD | June 18, 2025 11:15 | June 30, 2025 07:45 | 11d 20h | 29,631 | 288K |
| 5 | Montgomery County, MD | June 18, 2025 06:00 | June 30, 2025 04:30 | 11d 22h | 29,030 | 340K |
| 6 | Cecil County, MD | June 19, 2025 19:30 | June 23, 2025 05:00 | 3d 9h | 28,527 | 73K |
| 7 | Prince George's County, MD | May 9, 2025 06:45 | May 21, 2025 04:15 | 11d 21h | 27,694 | 213K |
| 8 | Cecil County, MD | August 7, 2025 13:45 | August 8, 2025 10:15 | 20h 30m | 27,330 | 14K |
| 9 | Anne Arundel County, MD | February 12, 2025 11:00 | February 21, 2025 07:45 | 8d 20h | 26,143 | 337K |
| 10 | Wicomico County, MD | January 29, 2025 00:15 | January 29, 2025 05:15 | 5h | 25,129 | 76K |
| 11 | Washington County, MD | April 20, 2025 02:15 | April 25, 2025 00:30 | 4d 22h | 21,000 | 528K |
| 12 | Worcester County, MD | January 28, 2025 21:15 | January 29, 2025 03:15 | 6h | 20,909 | 63K |
| 13 | Cecil County, MD | February 13, 2025 15:45 | February 13, 2025 18:15 | 2h 30m | 18,896 | 9,455 |
| 14 | Howard County, MD | February 14, 2025 10:15 | February 24, 2025 11:30 | 10d 1h | 16,396 | 187K |
| 15 | Harford County, MD | February 15, 2025 21:45 | February 21, 2025 21:30 | 5d 23h | 16,156 | 127K |
| 16 | Baltimore city, MD | February 13, 2025 10:30 | March 14, 2025 01:30 | 28d 15h | 14,704 | 274K |
| 17 | Montgomery County, MD | May 16, 2025 09:15 | May 21, 2025 04:15 | 4d 19h | 14,073 | 86K |
| 18 | Carroll County, MD | February 15, 2025 05:15 | February 21, 2025 07:45 | 6d 2h | 11,791 | 126K |
| 19 | St. Mary's County, MD | May 16, 2025 22:00 | May 18, 2025 07:15 | 1d 9h | 11,745 | 55K |
| 20 | Prince George's County, MD | April 10, 2025 12:15 | April 13, 2025 07:15 | 2d 19h | 11,519 | 14K |
| 21 | Cecil County, MD | July 17, 2025 00:30 | July 18, 2025 08:00 | 1d 7h | 11,054 | 62K |
| 22 | Montgomery County, MD | July 29, 2025 10:15 | August 3, 2025 07:30 | 4d 21h | 10,941 | 21K |
| 23 | Worcester County, MD | March 5, 2025 14:15 | March 6, 2025 06:15 | 16h | 10,430 | 73K |
| 24 | Prince George's County, MD | February 13, 2025 11:15 | February 21, 2025 05:30 | 7d 18h | 10,139 | 157K |
| 25 | Harford County, MD | October 6, 2025 11:00 | October 10, 2025 09:30 | 3d 22h | 10,108 | 6,583 |
EAGLE-I tracked about n/a of Maryland's electricity customers in 2025; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2025 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.