PowerOutageHistory
B

Chaffee County Power Outage History

20142025 · Colorado

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
288
Avg duration
2.1 hrs
Longest outage
23 hrs
National percentile
77th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 14, 20238 hrs7,836 (49%)Unnamed event
Jun 30, 20201 hrs6,131 (39%)Unnamed event
Jun 18, 20255 hrs4,939 (31%)Unnamed event
Oct 15, 20221 hrs4,878 (31%)Unnamed event
Apr 26, 20239 hrs4,726 (30%)Unnamed event

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).

Sized for Chaffee County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Colorado

Counties with the closest reliability grade and national percentile to Chaffee County.

CountyGradeNational percentile
Otero CountyB78th
Rio Grande CountyB78th
Arapahoe CountyB79th
Adams CountyB75th
Logan CountyB75th

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.