Middlesex County Power Outage History
2015–2025 · Virginia
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 15, 2021 | 1 hrs | 10,192 (99%) | Unnamed event |
| Apr 25, 2024 | 1 hrs | 10,124 (99%) | Unnamed event |
| Sep 11, 2018 | 5 hrs | 10,054 (98%) | Unnamed event |
| Jun 24, 2021 | 1 hrs | 6,546 (64%) | Unnamed event |
| Oct 12, 2018 | 111 hrs | 5,764 (56%) | Heavy Rain |
Over the 11 years from 2015 to 2025, Middlesex County recorded 778 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Middlesex County started May 15, 2021, lasting 1 hours and leaving up to 10,192 customers without power (99% of the county) at its peak.
July has historically been the worst month for outages in Middlesex County, with 108 events recorded during that month across the dataset.
Based on this history, Middlesex County earns a Reliability Grade of F, placing it in the 17th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Middlesex County.
| County | Grade | National percentile |
|---|---|---|
| Washington County | F | 17th |
| Craig County | F | 17th |
| Lee County | F | 17th |
| Henrico County | F | 17th |
| Bedford County | F | 17th |
FAQ
How often does power go out in Middlesex County?
Between 2015 and 2025, Middlesex County recorded 778 outage events, averaging 3.7 hours each.
What is Middlesex County's reliability grade?
Middlesex County has a Reliability Grade of F, in the 17th national percentile.
What was the worst power outage in Middlesex County?
The worst outage on record started May 15, 2021, lasting 1 hours and affecting up to 10,192 customers.