PowerOutageHistory
B

Otero County Power Outage History

20152025 · Colorado

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

Total events
155
Avg duration
1.8 hrs
Longest outage
53 hrs
National percentile
78th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 30, 20191 hrs5,476 (72%)Unnamed event
Oct 30, 20193 hrs5,474 (72%)Unnamed event
Aug 10, 20211 hrs4,920 (65%)Unnamed event
Dec 15, 20213 hrs3,946 (52%)High Wind
Dec 16, 202119 hrs3,935 (52%)High Wind

Over the 11 years from 2015 to 2025, Otero County recorded 155 distinct power outage events, averaging 1.8 hours per event.

The single worst outage on record in Otero County started October 30, 2019, lasting 1 hours and leaving up to 5,476 customers without power (72% of the county) at its peak.

July has historically been the worst month for outages in Otero County, with 27 events recorded during that month across the dataset.

Based on this history, Otero County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Otero 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 Otero County.

CountyGradeNational percentile
Rio Grande CountyB78th
Chaffee CountyB77th
Arapahoe CountyB79th
Adams CountyB75th
Logan CountyB75th

FAQ

How often does power go out in Otero County?

Between 2015 and 2025, Otero County recorded 155 outage events, averaging 1.8 hours each.

What is Otero County's reliability grade?

Otero County has a Reliability Grade of B, in the 78th national percentile.

What was the worst power outage in Otero County?

The worst outage on record started October 30, 2019, lasting 1 hours and affecting up to 5,476 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.