PowerOutageHistory
Reliability Grade
C
Average
2017-2025
Wyoming

Converse CountyPower Outage History

20172025 · Wyoming
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What this grade means

Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide48th pct
In Wyoming#21 of 22
See full Wyoming rankings →
Total events
574
Recorded 2017–2025
Avg duration
2.7 hrs
Per outage event
Longest outage
40 hrs
Single worst event on record
Customers served
7,672
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 12, 20228 hrs5,684 (74%)Unnamed event
Apr 3, 2019<1 hr4,727 (62%)Unnamed event
Sep 30, 20185 hrs4,333 (56%)Unnamed event
Sep 30, 2018<1 hr4,333 (56%)Unnamed event
Apr 23, 20182 hrs4,315 (56%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Converse County, Wyoming that day.

Over the 9 years from 2017 to 2025, Converse County recorded 574 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Converse County started May 12, 2022, lasting 8 hours and leaving up to 5,684 customers without power (74% of the county) at its peak.

August has historically been the worst month for outages in Converse County, with 79 events recorded during that month across the dataset.

Based on this history, Converse County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Wyoming

Counties with the closest reliability grade and national percentile to Converse County.

CountyGradeNational percentile
Crook CountyC41st
Weston CountyB64th
Sublette CountyB64th
Johnson CountyB69th
Albany CountyB71st

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Converse County?

Between 2017 and 2025, Converse County recorded 574 outage events, averaging 2.7 hours each.

What is Converse County's reliability grade?

Converse County has a Reliability Grade of C, in the 48th national percentile.

What was the worst power outage in Converse County?

The worst outage on record started May 12, 2022, lasting 8 hours and affecting up to 5,684 customers.

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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.