Wicomico CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 29, 2025 | 3 hrs | 25,129 (37%) | Unnamed event |
| Mar 2, 2018 | 12 hrs | 17,135 (25%) | High Wind |
| Aug 4, 2020 | 31 hrs | 14,712 (21%) | Tropical Storm Isaias |
| May 2, 2018 | 2 hrs | 8,449 (12%) | Unnamed event |
| Apr 21, 2017 | <1 hr | 6,438 (9%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Wicomico County, Maryland that day.
Over the 11 years from 2015 to 2025, Wicomico County recorded 503 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Wicomico County started January 29, 2025, lasting 3 hours and leaving up to 25,129 customers without power (37% of the county) at its peak.
August has historically been the worst month for outages in Wicomico County, with 74 events recorded during that month across the dataset.
Based on this history, Wicomico County earns a Reliability Grade of A, placing it in the 88th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Maryland
Counties with the closest reliability grade and national percentile to Wicomico County.
| County | Grade | National percentile |
|---|---|---|
| Kent County | A | 86th |
| Talbot County | A | 84th |
| Dorchester County | A | 83rd |
| St. Mary's County | A | 81st |
| Charles County | A | 80th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Wicomico County?
Between 2015 and 2025, Wicomico County recorded 503 outage events, averaging 1.7 hours each.
What is Wicomico County's reliability grade?
Wicomico County has a Reliability Grade of A, in the 88th national percentile.
What was the worst power outage in Wicomico County?
The worst outage on record started January 29, 2025, lasting 3 hours and affecting up to 25,129 customers.