2023 Maryland Power Outage Report
In 2023, the average Maryland customer went without power for about 3.6 hours, the 28th worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
3.6
vs prior year
▼ 35%
vs 2022
Customer-hours out
9.6M
Peak customers out
136,397
across the state at once
EAGLE-I coverage
n/a
of MD customers
Counties reporting
24
Maryland year over year
All 24 Maryland counties, 2023
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 | Carroll County | 16.4 | 1.2M | 71,073 | 43,380 | 560 |
| 2 | Garrett County | 8.0 | 108K | 13,588 | 3,491 | 471 |
| 3 | Harford County | 6.6 | 742K | 112,536 | 30,600 | 470 |
| 4 | Allegany County | 6.0 | 195K | 32,504 | 7,687 | 608 |
| 5 | Charles County | 5.5 | 401K | 73,494 | 20,058 | 896 |
| 6 | Baltimore County | 4.6 | 1.7M | 370,224 | 38,789 | 198 |
| 7 | Cecil County | 4.3 | 247K | 57,202 | 13,217 | 723 |
| 8 | St. Mary's County | 3.4 | 192K | 55,898 | 6,238 | 855 |
| 9 | Anne Arundel County | 3.3 | 845K | 253,751 | 46,003 | 350 |
| 10 | Montgomery County | 2.9 | 1.2M | 395,748 | 55,999 | 681 |
| 11 | Baltimore city | 2.8 | 778K | 277,924 | 6,102 | 169 |
| 12 | Kent County | 2.7 | 30K | 10,903 | 3,994 | 445 |
| 13 | Calvert County | 2.7 | 105K | 39,458 | 7,592 | 660 |
| 14 | Prince George's County | 2.7 | 929K | 349,773 | 25,323 | 492 |
| 15 | Washington County | 2.2 | 146K | 65,276 | 5,119 | 730 |
| 16 | Frederick County | 2.1 | 282K | 132,173 | 7,100 | 809 |
| 17 | Worcester County | 1.8 | 58K | 31,542 | 3,719 | 747 |
| 18 | Somerset County | 1.8 | 26K | 14,318 | 2,954 | 508 |
| 19 | Howard County | 1.7 | 242K | 146,094 | 18,761 | 500 |
| 20 | Queen Anne's County | 1.6 | 44K | 26,465 | 6,532 | 595 |
| 21 | Dorchester County | 1.6 | 29K | 18,093 | 1,993 | 598 |
| 22 | Caroline County | 1.6 | 28K | 17,587 | 2,125 | 565 |
| 23 | Talbot County | 1.1 | 32K | 29,180 | 1,803 | 472 |
| 24 | Wicomico County | 1.0 | 61K | 61,546 | 1,341 | 826 |
Biggest Maryland outages of 2023
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Montgomery County, MD | July 27, 2023 12:45 | August 3, 2023 06:30 | 6d 17h | 55,999 | 707K |
| 2 | Anne Arundel County, MD | May 31, 2023 12:00 | June 11, 2023 12:15 | 11d | 46,003 | 218K |
| 3 | Carroll County, MD | August 7, 2023 11:00 | August 15, 2023 17:15 | 8d 6h | 43,380 | 961K |
| 4 | Baltimore County, MD | July 24, 2023 09:00 | September 17, 2023 19:15 | 55d 10h | 38,789 | 1.2M |
| 5 | Montgomery County, MD | June 25, 2023 20:30 | June 28, 2023 06:00 | 2d 9h | 37,874 | 15K |
| 6 | Harford County, MD | July 28, 2023 20:15 | August 4, 2023 05:30 | 6d 9h | 30,600 | 149K |
| 7 | Prince George's County, MD | July 9, 2023 19:00 | July 11, 2023 04:15 | 1d 9h | 25,323 | 43K |
| 8 | Prince George's County, MD | July 18, 2023 09:45 | August 15, 2023 07:30 | 27d 21h | 24,896 | 404K |
| 9 | Prince George's County, MD | July 9, 2023 09:00 | July 9, 2023 18:15 | 9h 15m | 24,313 | 7,785 |
| 10 | Carroll County, MD | April 12, 2023 22:45 | April 13, 2023 15:15 | 16h 30m | 22,795 | 26K |
| 11 | Charles County, MD | July 29, 2023 09:30 | August 1, 2023 05:45 | 2d 20h | 20,058 | 251K |
| 12 | Howard County, MD | July 5, 2023 17:00 | July 5, 2023 23:15 | 6h 15m | 18,761 | 9,323 |
| 13 | Harford County, MD | August 4, 2023 10:00 | August 16, 2023 09:45 | 11d 23h | 17,771 | 296K |
| 14 | Baltimore County, MD | January 19, 2023 18:15 | January 26, 2023 11:00 | 6d 16h | 14,731 | 12K |
| 15 | Harford County, MD | April 1, 2023 22:45 | April 6, 2023 14:00 | 4d 15h | 13,759 | 102K |
| 16 | Cecil County, MD | December 12, 2023 13:45 | December 13, 2023 00:15 | 10h 30m | 13,217 | 3,949 |
| 17 | Anne Arundel County, MD | July 28, 2023 10:30 | August 14, 2023 10:00 | 16d 23h | 12,082 | 219K |
| 18 | Cecil County, MD | August 7, 2023 16:00 | August 11, 2023 03:45 | 3d 11h | 11,105 | 105K |
| 19 | Prince George's County, MD | July 13, 2023 02:30 | July 17, 2023 05:15 | 4d 2h | 10,924 | 42K |
| 20 | Montgomery County, MD | September 27, 2023 11:15 | September 29, 2023 00:45 | 1d 13h | 9,889 | 3,300 |
| 21 | Montgomery County, MD | September 20, 2023 12:30 | September 21, 2023 00:45 | 12h 15m | 9,710 | 3,915 |
| 22 | Baltimore County, MD | June 16, 2023 09:15 | July 2, 2023 03:15 | 15d 18h | 8,815 | 79K |
| 23 | Allegany County, MD | March 3, 2023 23:15 | March 8, 2023 00:30 | 4d 1h | 7,687 | 93K |
| 24 | Calvert County, MD | December 7, 2023 12:15 | December 7, 2023 22:45 | 10h 30m | 7,592 | 11K |
| 25 | Charles County, MD | December 18, 2023 12:15 | December 19, 2023 02:30 | 14h 15m | 7,588 | 6,397 |
EAGLE-I tracked about n/a of Maryland's electricity customers in 2023; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2023 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.