massoutage

2021 Delaware Power Outage Report

In 2021, the average Delaware customer went without power for about 1.3 hours, the 49th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.3
vs prior year
▼ 69%
vs 2020
Customer-hours out
682K
Peak customers out
14,034
across the state at once
EAGLE-I coverage
86%
of DE customers
Counties reporting
3

Delaware year over year

Delaware: average hours without power per customer by year2015: 3.1h; 2016: 2.9h; 2017: 2.9h; 2018: 2.4h, coverage 86%; 2019: 1.9h, coverage 86%; 2020: 4.3h, coverage 86%; 2021: 1.3h, coverage 86%; 2022: 1.7h, coverage 86%; 2023: 2.3h; 2024: 2.2h; 2025: 2.4h02460%50%100%3.1h20152.9h20162.9h20172.4h20181.9h20194.3h20201.3h20211.7h20222.3h20232.2h20242.4h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2021

Customer-hours without power across Delaware; August was the worst.

CSVJSON
Delaware customer-hours without power by month, 2021Jan 23K, Feb 33K, Mar 77K, Apr 33K, May 68K, Jun 63K, Jul 69K, Aug 92K, Sep 87K, Oct 45K, Nov 37K, Dec 53K025k50k75k100k23KJan33KFeb77KMar33KApr68KMay63KJun69KJul92KAug87KSep45KOct37KNov53KDec
Use the arrow keys to read values.

All 3 Delaware counties, 2021

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1New Castle County2.1399K191,0566,971471
2Sussex County1.1234K218,98613,8041,009
3Kent County0.549K98,3703,036791

Biggest Delaware outages of 2021

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Sussex County, DEApril 30, 2021 12:15May 1, 2021 19:451d 7h13,80413K
2Sussex County, DESeptember 19, 2021 09:30September 19, 2021 11:452h 15m12,2969,694
3Sussex County, DEJune 20, 2021 11:45June 21, 2021 06:4519h7,7996,287
4New Castle County, DEMarch 26, 2021 12:45March 30, 2021 02:453d 14h6,97134K
5Sussex County, DEJune 27, 2021 12:15June 28, 2021 03:4515h 30m6,2217,919
6Sussex County, DEAugust 15, 2021 03:45August 15, 2021 09:005h 15m5,6752,649
7New Castle County, DENovember 8, 2021 13:00November 10, 2021 03:451d 14h4,8413,988
8New Castle County, DEApril 28, 2021 11:30April 30, 2021 00:001d 12h4,4262,998
9Sussex County, DEMay 29, 2021 09:30May 30, 2021 04:4519h 15m3,6125,709
10New Castle County, DENovember 15, 2021 12:00November 16, 2021 10:1522h 15m3,4813,178
11New Castle County, DEDecember 17, 2021 02:30December 17, 2021 04:452h 15m3,3856,369
12New Castle County, DESeptember 1, 2021 10:15September 10, 2021 22:009d 11h3,33835K
13Sussex County, DEFebruary 8, 2021 14:15February 8, 2021 21:457h 30m3,2203,117
14Sussex County, DEJune 22, 2021 13:30June 22, 2021 14:1545m3,198802
15Sussex County, DEMarch 8, 2021 13:15March 8, 2021 17:154h3,1822,268
16Sussex County, DEFebruary 22, 2021 11:15February 22, 2021 17:456h 30m3,1803,509
17Kent County, DEMarch 19, 2021 08:15March 19, 2021 12:454h 30m3,0363,156
18New Castle County, DEJuly 2, 2021 10:15July 3, 2021 08:4522h 30m2,9525,159
19New Castle County, DEAugust 22, 2021 17:45August 25, 2021 06:152d 12h2,9518,269
20New Castle County, DEJuly 7, 2021 13:00July 9, 2021 09:151d 20h2,9081,564
21Sussex County, DEDecember 18, 2021 12:45December 19, 2021 14:301d 1h2,9038,106
22Sussex County, DEMarch 26, 2021 08:30March 27, 2021 05:4521h 15m2,8896,930
23New Castle County, DEApril 7, 2021 12:15April 9, 2021 03:451d 15h2,8321,378
24New Castle County, DENovember 6, 2021 11:45November 8, 2021 02:151d 14h2,8092,556
25Sussex County, DEAugust 13, 2021 16:15August 15, 2021 02:451d 10h2,80713K
EAGLE-I tracked about 86% of Delaware's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2021:LAMIWVORTXMSKYNC

Part of the 2021 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.