Benton 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 |
|---|---|---|---|
| Feb 21, 2023 | 4 hrs | 17,777 (19%) | High Wind |
| Jul 30, 2022 | 1 hrs | 11,998 (13%) | Excessive Heat |
| Aug 28, 2023 | <1 hr | 10,813 (12%) | Unnamed event |
| May 13, 2023 | 6 hrs | 7,794 (9%) | Unnamed event |
| Feb 9, 2022 | 1 hrs | 7,616 (8%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Benton County, Washington that day.
Over the 7 years from 2019 to 2025, Benton County recorded 181 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Benton County started February 21, 2023 (High Wind), lasting 4 hours and leaving up to 17,777 customers without power (19% of the county) at its peak.
May has historically been the worst month for outages in Benton County, with 21 events recorded during that month across the dataset.
Based on this history, Benton County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Washington
Counties with the closest reliability grade and national percentile to Benton County.
| County | Grade | National percentile |
|---|---|---|
| Okanogan County | Not ranked | — |
| Cowlitz County | A | 92nd |
| Franklin County | A | 98th |
| Grant County | A | 99th |
| Klickitat County | A | 99th |
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 2019 and 2025, Benton County recorded 181 outage events, averaging 2.3 hours each.
What is Benton County's reliability grade?
Benton County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Benton County?
The worst outage on record started February 21, 2023 (High Wind), lasting 4 hours and affecting up to 17,777 customers.