Grand County Power Outage History
2017–2020 · Colorado
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 8, 2020 | 30 hrs | 1,163 (6%) | Unnamed event |
| Jul 13, 2020 | 0 hrs | 888 (4%) | Unnamed event |
| Aug 24, 2020 | 1 hrs | 888 (4%) | Unnamed event |
| Jul 13, 2020 | 4 hrs | 850 (4%) | Unnamed event |
| Jun 1, 2020 | 1 hrs | 692 (3%) | Unnamed event |
Over the 4 years from 2017 to 2020, Grand County recorded 52 distinct power outage events, averaging 11.1 hours per event.
The single worst outage on record in Grand County started September 8, 2020, lasting 30 hours and leaving up to 1,163 customers without power (6% of the county) at its peak.
October has historically been the worst month for outages in Grand County, with 14 events recorded during that month across the dataset.
Based on this history, Grand County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Grand County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
Similar counties in Colorado
Counties with the closest reliability grade and national percentile to Grand County.
| County | Grade | National percentile |
|---|---|---|
| Gunnison County | A | 97th |
| Montrose County | A | 93rd |
| Washington County | A | 98th |
| Baca County | A | 98th |
| Rio Blanco County | A | 99th |
FAQ
How often does power go out in Grand County?
Between 2017 and 2020, Grand County recorded 52 outage events, averaging 11.1 hours each.
What is Grand County's reliability grade?
Grand County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Grand County?
The worst outage on record started September 8, 2020, lasting 30 hours and affecting up to 1,163 customers.