massoutage

2021 Delaware Power Outage Report

In 2021, the average Delaware customer went without power for about 1.3 hours — the 49th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.3
Peak customers out
13,804
Rank (worst state)
49th
Counties affected
3

Delaware outages over the decade

Average hours without power per customer, 2021 highlighted.

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

Hardest-hit Delaware counties in 2021

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

Biggest Delaware outages of 2021

CountyBeganPeak customers out
Sussex CountyApril 30, 202113,804
Sussex CountySeptember 19, 202112,296
Sussex CountyJune 20, 20217,799
New Castle CountyMarch 26, 20216,971
Sussex CountyJune 27, 20216,221
Sussex CountyAugust 15, 20215,675
New Castle CountyNovember 8, 20214,841
New Castle CountyApril 28, 20214,426
Sussex CountyMay 29, 20213,612
New Castle CountyNovember 15, 20213,481
Other states in 2021:LAMIWVTXORMS

Part of the 2021 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.