Manassas Park 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 |
|---|---|---|---|
| Aug 7, 2023 | 9 hrs | 3,419 (26%) | Unnamed event |
| Mar 21, 2016 | <1 hr | 1,871 (14%) | Unnamed event |
| Jul 14, 2022 | 1 hrs | 1,249 (10%) | Unnamed event |
| Mar 28, 2016 | 2 hrs | 1,055 (8%) | Unnamed event |
| Mar 29, 2016 | <1 hr | 1,030 (8%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Manassas Park County, Virginia that day.
Over the 12 years from 2014 to 2025, Manassas Park County recorded 89 distinct power outage events, averaging 1.0 hours per event.
The single worst outage on record in Manassas Park County started August 7, 2023, lasting 9 hours and leaving up to 3,419 customers without power (26% of the county) at its peak.
August has historically been the worst month for outages in Manassas Park County, with 20 events recorded during that month across the dataset.
Based on this history, Manassas Park County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Virginia
Counties with the closest reliability grade and national percentile to Manassas Park County.
| County | Grade | National percentile |
|---|---|---|
| Radford County | A | 95th |
| Winchester County | A | 93rd |
| Prince William County | A | 88th |
| Frederick County | A | 86th |
| Richmond County | A | 86th |
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 Manassas Park County?
Between 2014 and 2025, Manassas Park County recorded 89 outage events, averaging 1.0 hours each.
What is Manassas Park County's reliability grade?
Manassas Park County has a Reliability Grade of A, in the 96th national percentile.
What was the worst power outage in Manassas Park County?
The worst outage on record started August 7, 2023, lasting 9 hours and affecting up to 3,419 customers.