2017 Maryland Power Outage Report
In 2017, the average Maryland customer went without power for about 1.9 hours, the 37th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
1.9
vs prior year
▼ 12%
vs 2016
Customer-hours out
5.2M
Peak customers out
42,297
across the state at once
EAGLE-I coverage
n/a
of MD customers
Counties reporting
24
Maryland year over year
All 24 Maryland counties, 2017
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 | Queen Anne's County | 8.7 | 230K | 26,465 | 8,914 | 589 |
| 2 | Worcester County | 7.5 | 237K | 31,542 | 18,536 | 802 |
| 3 | Cecil County | 6.8 | 391K | 57,202 | 19,271 | 760 |
| 4 | Garrett County | 6.1 | 82K | 13,588 | 2,104 | 432 |
| 5 | Charles County | 3.6 | 267K | 73,494 | 14,108 | 967 |
| 6 | Allegany County | 3.3 | 108K | 32,504 | 2,441 | 591 |
| 7 | Caroline County | 3.0 | 52K | 17,587 | 4,754 | 416 |
| 8 | Somerset County | 2.6 | 38K | 14,318 | 2,967 | 362 |
| 9 | St. Mary's County | 2.4 | 136K | 55,898 | 10,961 | 882 |
| 10 | Baltimore County | 2.0 | 724K | 370,224 | 23,507 | 297 |
| 11 | Dorchester County | 1.9 | 35K | 18,093 | 5,611 | 509 |
| 12 | Calvert County | 1.9 | 74K | 39,458 | 3,836 | 768 |
| 13 | Baltimore city | 1.7 | 462K | 277,924 | 7,701 | 429 |
| 14 | Washington County | 1.7 | 108K | 65,276 | 2,473 | 662 |
| 15 | Anne Arundel County | 1.6 | 416K | 253,751 | 7,529 | 358 |
| 16 | Frederick County | 1.6 | 217K | 132,173 | 5,428 | 841 |
| 17 | Carroll County | 1.6 | 116K | 71,073 | 2,194 | 593 |
| 18 | Wicomico County | 1.6 | 100K | 61,546 | 6,438 | 788 |
| 19 | Prince George's County | 1.5 | 513K | 349,773 | 8,499 | 628 |
| 20 | Talbot County | 1.4 | 41K | 29,180 | 3,011 | 404 |
| 21 | Harford County | 1.4 | 155K | 112,536 | 2,536 | 585 |
| 22 | Montgomery County | 1.3 | 500K | 395,748 | 7,948 | 828 |
| 23 | Kent County | 1.1 | 12K | 10,903 | 2,414 | 106 |
| 24 | Howard County | 1.0 | 146K | 146,094 | 2,468 | 556 |
Biggest Maryland outages of 2017
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 | August 2, 2017 15:15 | August 9, 2017 07:15 | 6d 16h | 23,507 | 258K |
| 2 | Cecil County, MD | March 14, 2017 08:00 | March 17, 2017 00:45 | 2d 16h | 19,271 | 263K |
| 3 | Worcester County, MD | January 3, 2017 20:00 | January 3, 2017 22:30 | 2h 30m | 18,536 | 28K |
| 4 | Worcester County, MD | February 8, 2017 05:15 | February 8, 2017 10:00 | 4h 45m | 18,210 | 85K |
| 5 | Cecil County, MD | May 1, 2017 12:00 | May 1, 2017 12:15 | 15m | 15,223 | 3,806 |
| 6 | Charles County, MD | February 25, 2017 20:00 | February 26, 2017 08:45 | 12h 45m | 14,108 | 27K |
| 7 | St. Mary's County, MD | May 25, 2017 05:00 | May 26, 2017 05:00 | 1d | 10,961 | 10K |
| 8 | Charles County, MD | March 14, 2017 07:00 | March 16, 2017 00:30 | 1d 17h | 10,932 | 82K |
| 9 | Queen Anne's County, MD | July 24, 2017 05:30 | July 25, 2017 22:45 | 1d 17h | 8,914 | 143K |
| 10 | Prince George's County, MD | March 1, 2017 12:00 | March 5, 2017 07:30 | 3d 19h | 8,499 | 26K |
| 11 | Cecil County, MD | May 8, 2017 12:00 | May 8, 2017 12:45 | 45m | 8,416 | 2,105 |
| 12 | Baltimore County, MD | March 1, 2017 13:45 | March 5, 2017 03:45 | 3d 14h | 8,396 | 56K |
| 13 | St. Mary's County, MD | August 8, 2017 09:45 | August 9, 2017 02:30 | 16h 45m | 8,093 | 5,604 |
| 14 | Montgomery County, MD | November 11, 2017 13:30 | November 13, 2017 12:15 | 1d 22h | 7,948 | 10K |
| 15 | Worcester County, MD | May 19, 2017 13:00 | May 19, 2017 23:15 | 10h 15m | 7,862 | 18K |
| 16 | Baltimore city, MD | July 28, 2017 22:00 | August 7, 2017 04:15 | 9d 6h | 7,701 | 79K |
| 17 | Anne Arundel County, MD | March 12, 2017 15:00 | March 18, 2017 06:45 | 5d 15h | 7,529 | 72K |
| 18 | Queen Anne's County, MD | January 7, 2017 15:30 | January 8, 2017 03:45 | 12h 15m | 7,017 | 24K |
| 19 | Prince George's County, MD | March 14, 2017 06:45 | March 16, 2017 21:00 | 2d 14h | 7,000 | 43K |
| 20 | Cecil County, MD | June 26, 2017 11:15 | June 26, 2017 22:00 | 10h 45m | 6,919 | 12K |
| 21 | Anne Arundel County, MD | March 1, 2017 12:30 | March 4, 2017 20:00 | 3d 7h | 6,766 | 21K |
| 22 | Cecil County, MD | April 21, 2017 02:15 | April 21, 2017 03:45 | 1h 30m | 6,650 | 6,378 |
| 23 | Baltimore city, MD | March 1, 2017 11:30 | March 5, 2017 04:15 | 3d 16h | 6,544 | 46K |
| 24 | Wicomico County, MD | April 21, 2017 16:15 | April 21, 2017 16:45 | 30m | 6,438 | 1,780 |
| 25 | Montgomery County, MD | March 1, 2017 12:45 | March 3, 2017 10:15 | 1d 21h | 6,110 | 19K |
EAGLE-I tracked about n/a of Maryland's electricity customers in 2017; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2017 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.