massoutage

County annual report · FIPS 24045

2023 Wicomico County, MD Power Outage Report

In 2023, customers in Wicomico County, MD went without power for an average of 1.0 hours, a total of 61K customer-hours (Maryland average 3.6 hours). That ranks 24th worst of 24 Maryland counties and 2682nd of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
1.0
61,546 customers
Customer-hours out
61K
Peak customers out
1,341
Outages ≥1,000 out
4
0 of 10,000+ · 826 total
Longest outage
1d 5h
began November 3, 2023
Rank in state
24th/24
2682nd of 2,977 US

Compared with MD, the US and 2022

Wicomico County, MD average hours without power per customer compared with state and national averages, 2023Wicomico County 1.0 hours, Maryland average 3.6 hours, US average 7.1 hours, Wicomico County, 2022 1.2 hoursWicomico CountyWicomico County1.0hMaryland averageMaryland average3.6hUS averageUS average7.1hWicomico County, 2022Wicomico County, 20221.2h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Wicomico County, MD customer-hours without power by month, 2023Jan 2,023, Feb 1,142, Mar 5,440, Apr 6,063, May 2,341, Jun 2,729, Jul 14K, Aug 4,728, Sep 2,734, Oct 8,117, Nov 7,392, Dec 3,99105k10k15k2,023Jan1,142Feb5,440Mar6,063Apr2,341May2,729Jun14KJul4,728Aug2,734Sep8,117Oct7,392Nov3,991Dec
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Customer-hours; July was the worst month.

Wicomico County year over year

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Wicomico County, MD: average hours without power per customer by year2015: 1.1h; 2016: 1.7h; 2017: 1.6h; 2018: 2.0h, coverage 98%; 2019: 1.1h, coverage 97%; 2020: 2.6h, coverage 98%; 2021: 0.7h, coverage 99%; 2022: 1.2h, coverage 99%; 2023: 1.0h; 2024: 1.4h; 2025: 2.6h01230%50%100%1.1h20151.7h20161.6h20172.0h20181.1h20192.6h20200.7h20211.2h20221.0h20231.4h20242.6h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Maryland customers tracked each year.

Biggest outages in Wicomico County, 2023

The 10 outage episodes with the most customers out at once. Times are UTC.

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1November 20, 2023 02:30November 20, 2023 04:001h 30m1,3411,323
2March 21, 2023 04:45March 21, 2023 09:304h 45m1,320711
3April 5, 2023 22:30April 6, 2023 00:452h 15m1,208471
4March 14, 2023 20:15March 15, 2023 00:454h 30m1,0551,026
5July 25, 2023 21:45July 26, 2023 04:306h 45m9794,950
6March 5, 2023 16:45March 5, 2023 18:452h9211,130
7November 22, 2023 07:45November 22, 2023 09:301h 45m8861,216
8April 30, 2023 02:15April 30, 2023 09:157h840591
9July 5, 2023 12:15July 6, 2023 04:0015h 45m786690
10April 7, 2023 00:30April 7, 2023 16:0015h 30m6462,382

Outage episodes by size in 2023: 63 reached 100+ customers, 4 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Wicomico County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Delmarva Power20232.1 hrs0.7658 min0.60
Choptank Electric Cooperative, Inc20231.9 hrs1.251.9 hrs1.25

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Maryland's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 61,546 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Wicomico County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Wicomico County, MD annual power outage report, 2023, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2023/maryland/wicomico-county

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