Hunterdon County Power Outage History
2015–2025 · New Jersey
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 |
|---|---|---|---|
| Mar 2, 2018 | 81 hrs | 31,409 (47%) | Flood |
| Aug 4, 2020 | 143 hrs | 27,819 (42%) | Tropical Storm Isaias |
| Aug 12, 2016 | 4 hrs | 21,048 (31%) | Flash Flood |
| Oct 14, 2017 | 1 hrs | 18,782 (28%) | Unnamed event |
| Nov 14, 2016 | 1 hrs | 18,732 (28%) | Drought |
Over the 11 years from 2015 to 2025, Hunterdon County recorded 1,606 distinct power outage events, averaging 3.9 hours per event.
The single worst outage on record in Hunterdon County started March 2, 2018 (Flood), lasting 81 hours and leaving up to 31,409 customers without power (47% of the county) at its peak.
August has historically been the worst month for outages in Hunterdon County, with 199 events recorded during that month across the dataset.
Based on this history, Hunterdon County earns a Reliability Grade of F, placing it in the 8th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Hunterdon County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
Similar counties in New Jersey
Counties with the closest reliability grade and national percentile to Hunterdon County.
| County | Grade | National percentile |
|---|---|---|
| Sussex County | F | 6th |
| Morris County | F | 13th |
| Warren County | F | 13th |
| Monmouth County | D | 26th |
| Burlington County | D | 32nd |
FAQ
How often does power go out in Hunterdon County?
Between 2015 and 2025, Hunterdon County recorded 1,606 outage events, averaging 3.9 hours each.
What is Hunterdon County's reliability grade?
Hunterdon County has a Reliability Grade of F, in the 8th national percentile.
What was the worst power outage in Hunterdon County?
The worst outage on record started March 2, 2018 (Flood), lasting 81 hours and affecting up to 31,409 customers.