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2025 Delaware Power Outage Report

In 2025, the average Delaware customer went without power for about 2.4 hours — the 47th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.4
Peak customers out
27,045
Rank (worst state)
47th
Counties affected
3

Delaware outages over the decade

Average hours without power per customer, 2025 highlighted.

3.1h20152.9h20162.9h20172.4h20181.9h20194.3h20201.3h20211.7h20222.3h20232.2h20242.4h2025

Hardest-hit Delaware counties in 2025

By peak customers out during the year's worst event.

1New Castle County27,0452Sussex County11,0533Kent County4,130

Biggest Delaware outages of 2025

CountyBeganPeak customers out
New Castle CountyJanuary 28, 202527,045
Sussex CountyJuly 25, 202511,053
New Castle CountyJune 19, 202510,252
Sussex CountyJanuary 29, 202510,066
Sussex CountyDecember 14, 20258,701
Sussex CountyJuly 29, 20256,856
Sussex CountyJuly 8, 20256,274
Sussex CountyMay 16, 20255,814
New Castle CountyFebruary 16, 20255,051
Sussex CountySeptember 25, 20254,901
Delaware by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCMO

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.