Alamosa County Power Outage History
2014–2025 · Colorado
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 10, 2024 | 6 hrs | 7,959 (84%) | Heavy Snow |
| Apr 18, 2025 | 2 hrs | 7,022 (74%) | Unnamed event |
| Sep 9, 2020 | 25 hrs | 6,108 (65%) | Winter Storm |
| Sep 27, 2019 | 0 hrs | 5,439 (57%) | Unnamed event |
| Jun 1, 2025 | 4 hrs | 4,113 (43%) | Unnamed event |
Over the 12 years from 2014 to 2025, Alamosa County recorded 283 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Alamosa County started May 10, 2024 (Heavy Snow), lasting 6 hours and leaving up to 7,959 customers without power (84% of the county) at its peak.
September has historically been the worst month for outages in Alamosa County, with 39 events recorded during that month across the dataset.
Based on this history, Alamosa County earns a Reliability Grade of B, placing it in the 74th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Alamosa County's outage profile
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Outage-prep kit
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Similar counties in Colorado
Counties with the closest reliability grade and national percentile to Alamosa County.
| County | Grade | National percentile |
|---|---|---|
| Logan County | B | 75th |
| Adams County | B | 75th |
| Chaffee County | B | 77th |
| Otero County | B | 78th |
| Rio Grande County | B | 78th |
FAQ
How often does power go out in Alamosa County?
Between 2014 and 2025, Alamosa County recorded 283 outage events, averaging 2.3 hours each.
What is Alamosa County's reliability grade?
Alamosa County has a Reliability Grade of B, in the 74th national percentile.
What was the worst power outage in Alamosa County?
The worst outage on record started May 10, 2024 (Heavy Snow), lasting 6 hours and affecting up to 7,959 customers.