Benton 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 |
|---|---|---|---|
| Jan 17, 2024 | 55 hrs | 18,540 (38%) | Unnamed event |
| Dec 30, 2025 | <1 hr | 12,902 (26%) | Unnamed event |
| Jan 14, 2024 | 56 hrs | 12,532 (25%) | Unnamed event |
| Feb 26, 2021 | 6 hrs | 11,284 (23%) | Unnamed event |
| Jan 5, 2021 | <1 hr | 11,221 (23%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Benton County, Oregon that day.
Over the 9 years from 2017 to 2025, Benton County recorded 364 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Benton County started January 17, 2024, lasting 55 hours and leaving up to 18,540 customers without power (38% of the county) at its peak.
September has historically been the worst month for outages in Benton County, with 53 events recorded during that month across the dataset.
Based on this history, Benton County earns a Reliability Grade of B, placing it in the 64th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Oregon
Counties with the closest reliability grade and national percentile to Benton County.
| County | Grade | National percentile |
|---|---|---|
| Crook County | B | 63rd |
| Curry County | B | 61st |
| Lake County | B | 68th |
| Baker County | C | 60th |
| Klamath County | C | 59th |
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 Benton County?
Between 2017 and 2025, Benton County recorded 364 outage events, averaging 3.4 hours each.
What is Benton County's reliability grade?
Benton County has a Reliability Grade of B, in the 64th national percentile.
What was the worst power outage in Benton County?
The worst outage on record started January 17, 2024, lasting 55 hours and affecting up to 18,540 customers.