Niobrara CountyPower Outage History
2019–2020 · Wyoming
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 18, 2019 | 1 hrs | 683 (64%) | Hail |
| Mar 22, 2019 | <1 hr | 398 (37%) | Unnamed event |
| Apr 4, 2019 | <1 hr | 398 (37%) | Unnamed event |
| Sep 6, 2019 | 2 hrs | 328 (31%) | Unnamed event |
| Sep 12, 2019 | <1 hr | 327 (31%) | Unnamed event |
Over the 2 years from 2019 to 2020, Niobrara County recorded 68 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Niobrara County started August 18, 2019 (Hail), lasting 1 hours and leaving up to 683 customers without power (64% of the county) at its peak.
September has historically been the worst month for outages in Niobrara County, with 12 events recorded during that month across the dataset.
Based on this history, Niobrara County earns a Reliability Grade of A, placing it in the 93rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Niobrara 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.
No ads. No data selling. This site runs entirely on Amazon affiliate commissions — buying through our links costs you nothing extra and keeps it free for everyone.
Read our mission →Similar counties in Wyoming
Counties with the closest reliability grade and national percentile to Niobrara County.
| County | Grade | National percentile |
|---|---|---|
| Laramie County | A | 93rd |
| Fremont County | A | 94th |
| Uinta County | A | 93rd |
| Washakie County | A | 90th |
| Teton County | A | 97th |
Most reliable counties in Wyoming
The top 3 counties in Wyoming by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Teton County | A | 97th |
| Fremont County | A | 94th |
| Niobrara County | A | 93rd |
Least reliable counties in Wyoming
The bottom 3 counties in Wyoming by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Crook County | C | 41st |
| Converse County | C | 48th |
| Weston County | B | 64th |
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 Niobrara County?
Between 2019 and 2020, Niobrara County recorded 68 outage events, averaging 2.3 hours each.
What is Niobrara County's reliability grade?
Niobrara County has a Reliability Grade of A, in the 93rd national percentile.
What was the worst power outage in Niobrara County?
The worst outage on record started August 18, 2019 (Hail), lasting 1 hours and affecting up to 683 customers.