Grant 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 |
|---|---|---|---|
| Apr 24, 2019 | <1 hr | 2,026 (4%) | Unnamed event |
| Aug 10, 2019 | 1 hrs | 1,457 (3%) | Unnamed event |
| Feb 23, 2020 | 27 hrs | 1,307 (2%) | Unnamed event |
| Dec 27, 2020 | <1 hr | 920 (2%) | Freezing Fog |
| May 31, 2020 | 10 hrs | 776 (1%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Grant County, Washington that day.
Over the 5 years from 2019 to 2023, Grant County recorded 23 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Grant County started April 24, 2019, lasting less than 1 hour and leaving up to 2,026 customers without power (4% of the county) at its peak.
May has historically been the worst month for outages in Grant County, with 5 events recorded during that month across the dataset.
Based on this history, Grant County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Washington
Counties with the closest reliability grade and national percentile to Grant County.
| County | Grade | National percentile |
|---|---|---|
| Klickitat County | A | 99th |
| Franklin County | A | 98th |
| Skamania County | A | 99th |
| Okanogan County | Not ranked | — |
| Benton County | A | 95th |
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 Grant County?
Between 2019 and 2023, Grant County recorded 23 outage events, averaging 3.7 hours each.
What is Grant County's reliability grade?
Grant County has a Reliability Grade of A, in the 99th national percentile.
What was the worst power outage in Grant County?
The worst outage on record started April 24, 2019, lasting less than 1 hour and affecting up to 2,026 customers.