2025 Delaware Power Outage Report
In 2025, the average Delaware customer went without power for about 2.4 hours, the 47th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
2.4
vs prior year
▲ 7%
vs 2024
Customer-hours out
1.2M
Peak customers out
38,575
across the state at once
EAGLE-I coverage
n/a
of DE customers
Counties reporting
3
Delaware year over year
All 3 Delaware 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 | New Castle County | 3.9 | 745K | 191,056 | 27,045 | 415 |
| 2 | Sussex County | 1.7 | 372K | 218,986 | 11,053 | 939 |
| 3 | Kent County | 0.9 | 85K | 98,370 | 4,130 | 824 |
Biggest Delaware 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 | New Castle County, DE | January 28, 2025 13:15 | January 30, 2025 09:00 | 1d 19h | 27,045 | 83K |
| 2 | Sussex County, DE | July 25, 2025 04:15 | July 26, 2025 04:00 | 23h 45m | 11,053 | 26K |
| 3 | New Castle County, DE | June 19, 2025 12:15 | June 22, 2025 08:45 | 2d 20h | 10,252 | 95K |
| 4 | Sussex County, DE | January 29, 2025 00:15 | January 29, 2025 03:15 | 3h | 10,066 | 30K |
| 5 | Sussex County, DE | December 14, 2025 16:00 | December 15, 2025 05:45 | 13h 45m | 8,701 | 5,825 |
| 6 | Sussex County, DE | July 29, 2025 10:15 | July 30, 2025 04:45 | 18h 30m | 6,856 | 4,063 |
| 7 | Sussex County, DE | July 8, 2025 11:00 | July 9, 2025 10:45 | 23h 45m | 6,274 | 9,165 |
| 8 | Sussex County, DE | May 16, 2025 20:15 | May 19, 2025 04:45 | 2d 8h | 5,814 | 24K |
| 9 | New Castle County, DE | February 16, 2025 16:30 | February 19, 2025 10:15 | 2d 17h | 5,051 | 86K |
| 10 | Sussex County, DE | September 25, 2025 13:45 | September 26, 2025 02:15 | 12h 30m | 4,901 | 12K |
| 11 | New Castle County, DE | June 30, 2025 10:15 | July 3, 2025 09:45 | 2d 23h | 4,290 | 27K |
| 12 | Sussex County, DE | August 3, 2025 12:15 | August 4, 2025 00:00 | 11h 45m | 4,222 | 8,311 |
| 13 | Kent County, DE | December 14, 2025 13:00 | December 14, 2025 22:00 | 9h | 4,130 | 4,414 |
| 14 | Sussex County, DE | September 11, 2025 07:15 | September 11, 2025 17:45 | 10h 30m | 4,099 | 4,649 |
| 15 | Kent County, DE | July 30, 2025 20:30 | July 30, 2025 23:45 | 3h 15m | 3,513 | 2,099 |
| 16 | Sussex County, DE | April 12, 2025 04:30 | April 13, 2025 00:00 | 19h 30m | 3,326 | 8,317 |
| 17 | Sussex County, DE | September 24, 2025 16:00 | September 24, 2025 18:15 | 2h 15m | 3,304 | 2,433 |
| 18 | New Castle County, DE | July 16, 2025 11:45 | July 18, 2025 22:00 | 2d 10h | 3,303 | 14K |
| 19 | Sussex County, DE | April 14, 2025 08:00 | April 14, 2025 22:30 | 14h 30m | 3,282 | 5,130 |
| 20 | New Castle County, DE | September 16, 2025 10:15 | September 17, 2025 10:45 | 1d | 3,221 | 2,106 |
| 21 | Kent County, DE | September 3, 2025 16:00 | September 3, 2025 17:00 | 1h | 2,994 | 1,485 |
| 22 | Kent County, DE | May 11, 2025 23:45 | May 12, 2025 01:30 | 1h 45m | 2,963 | 1,132 |
| 23 | Sussex County, DE | October 12, 2025 21:00 | October 13, 2025 17:15 | 20h 15m | 2,839 | 4,632 |
| 24 | New Castle County, DE | March 26, 2025 12:15 | March 27, 2025 03:15 | 15h | 2,813 | 1,110 |
| 25 | New Castle County, DE | August 13, 2025 11:45 | August 15, 2025 07:00 | 1d 19h | 2,709 | 3,890 |
EAGLE-I tracked about n/a of Delaware'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.