Prince George's County Power Outage History
2014–2025 · 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 |
|---|---|---|---|
| Mar 2, 2018 | 90 hrs | 85,071 (24%) | Dense Fog |
| Jul 12, 2022 | 106 hrs | 64,522 (18%) | Thunderstorm Wind |
| Jul 31, 2024 | 26 hrs | 47,482 (13%) | Thunderstorm Wind |
| Jun 19, 2025 | 38 hrs | 29,631 (8%) | Thunderstorm Wind |
| May 16, 2025 | 33 hrs | 27,694 (8%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Prince George's County recorded 3,251 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Prince George's County started March 2, 2018 (Dense Fog), lasting 90 hours and leaving up to 85,071 customers without power (24% of the county) at its peak.
July has historically been the worst month for outages in Prince George's County, with 437 events recorded during that month across the dataset.
Based on this history, Prince George's County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Prince George's County's outage profile
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Similar counties in Maryland
Counties with the closest reliability grade and national percentile to Prince George's County.
| County | Grade | National percentile |
|---|---|---|
| Worcester County | B | 67th |
| Anne Arundel County | B | 69th |
| Baltimore County | B | 65th |
| Montgomery County | B | 71st |
| Washington County | B | 72nd |
FAQ
How often does power go out in Prince George's County?
Between 2014 and 2025, Prince George's County recorded 3,251 outage events, averaging 1.9 hours each.
What is Prince George's County's reliability grade?
Prince George's County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Prince George's County?
The worst outage on record started March 2, 2018 (Dense Fog), lasting 90 hours and affecting up to 85,071 customers.