Queen Anne's County Power Outage History
2015–2025 · Maryland
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 13, 2018 | 2 hrs | 14,132 (39%) | Unnamed event |
| Jul 24, 2017 | 25 hrs | 8,914 (25%) | Hail |
| Oct 11, 2019 | 0 hrs | 7,181 (20%) | Unnamed event |
| Jan 7, 2017 | 11 hrs | 7,017 (19%) | Winter Weather |
| Dec 12, 2023 | 0 hrs | 6,532 (18%) | Unnamed event |
Over the 11 years from 2015 to 2025, Queen Anne's County recorded 514 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Queen Anne's County started May 13, 2018, lasting 2 hours and leaving up to 14,132 customers without power (39% of the county) at its peak.
July has historically been the worst month for outages in Queen Anne's County, with 73 events recorded during that month across the dataset.
Based on this history, Queen Anne's County earns a Reliability Grade of B, placing it in the 79th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Queen Anne's County's outage profile
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Similar counties in Maryland
Counties with the closest reliability grade and national percentile to Queen Anne's County.
| County | Grade | National percentile |
|---|---|---|
| Caroline County | B | 79th |
| Howard County | B | 78th |
| Charles County | A | 80th |
| St. Mary's County | A | 81st |
| Calvert County | B | 76th |
FAQ
How often does power go out in Queen Anne's County?
Between 2015 and 2025, Queen Anne's County recorded 514 outage events, averaging 1.7 hours each.
What is Queen Anne's County's reliability grade?
Queen Anne's County has a Reliability Grade of B, in the 79th national percentile.
What was the worst power outage in Queen Anne's County?
The worst outage on record started May 13, 2018, lasting 2 hours and affecting up to 14,132 customers.