Otero 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 |
|---|---|---|---|
| Oct 30, 2019 | 1 hrs | 5,476 (72%) | Unnamed event |
| Oct 30, 2019 | 3 hrs | 5,474 (72%) | Unnamed event |
| Aug 10, 2021 | 1 hrs | 4,920 (65%) | Unnamed event |
| Dec 15, 2021 | 3 hrs | 3,946 (52%) | High Wind |
| Dec 15, 2021 | <1 hr | 3,935 (52%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Otero County, Colorado that day.
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).
Similar counties in Colorado
Counties with the closest reliability grade and national percentile to Otero County.
| County | Grade | National percentile |
|---|---|---|
| Rio Grande County | B | 78th |
| Chaffee County | B | 77th |
| 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 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.