Queen Anne's CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
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 | <1 hr | 7,181 (20%) | Unnamed event |
| Jan 7, 2017 | 11 hrs | 7,017 (19%) | Winter Weather |
| Dec 12, 2023 | <1 hr | 6,532 (18%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Queen Anne's County, Maryland that day.
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).
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 |
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 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.