Chaffee 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 |
|---|---|---|---|
| May 14, 2023 | 8 hrs | 7,836 (49%) | Unnamed event |
| Jun 30, 2020 | <1 hr | 6,131 (39%) | Unnamed event |
| Jun 18, 2025 | 5 hrs | 4,939 (31%) | Unnamed event |
| Oct 15, 2022 | <1 hr | 4,878 (31%) | Unnamed event |
| Apr 26, 2023 | 9 hrs | 4,726 (30%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Chaffee County, Colorado that day.
Over the 12 years from 2014 to 2025, Chaffee County recorded 288 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Chaffee County started May 14, 2023, lasting 8 hours and leaving up to 7,836 customers without power (49% of the county) at its peak.
June has historically been the worst month for outages in Chaffee County, with 49 events recorded during that month across the dataset.
Based on this history, Chaffee County earns a Reliability Grade of B, placing it in the 77th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Colorado
Counties with the closest reliability grade and national percentile to Chaffee County.
| County | Grade | National percentile |
|---|---|---|
| Otero County | B | 78th |
| Rio Grande County | B | 78th |
| Arapahoe County | B | 79th |
| Adams County | B | 75th |
| Logan County | B | 75th |
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 Chaffee County?
Between 2014 and 2025, Chaffee County recorded 288 outage events, averaging 2.1 hours each.
What is Chaffee County's reliability grade?
Chaffee County has a Reliability Grade of B, in the 77th national percentile.
What was the worst power outage in Chaffee County?
The worst outage on record started May 14, 2023, lasting 8 hours and affecting up to 7,836 customers.