– 0% of Clay out 0 customers out in Kansas

Power outage history

Clay County Kansas

5.2hours

without power for the average customer in a typical year, 2018–2025

28th most of 81 in Kansas 21% below the national median

Worst outage on record Jun 2, 2018 100% of customers out · 90% back in 11 hours
Hours without power, average customer per year 5.2h / yr State average 3.0 h · national median 6.6 h
Major outages a year 4.3 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 2hours Median across major outages, from the peak
Longest single outage 42hours Jun 2, 2018, over 1% of customers out
Outage hours on storm days 13% Share falling on days with a NOAA storm report here
Worst year 2018 32 hours without power, average customer
Electricity customers 5,867 ORNL customer model · 8 well-covered years

Every day since 2015

Eleven years, one night at a time

Each cell is a day. The brighter it is, the larger the share of Clay's customers who were without power at that day's worst moment.

20152016201720182019202020212022202320242025
0%100% of customers out

Year by year

Hours in the dark, per customer

2018 was the worst well-recorded year, at 32 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Clay, hours without power per customer

ClayUS median countyKansas average
0 5 10 15 20 ’15 0.5 ’16 3.2 ’17 32 ’18 2.2 ’19 0.9 ’20 2.8 ’21 1.0 ’22 1.2 ’23 0.5 ’24 1.2 ’25 US 6.6 KS 3.0

The record

The biggest outages since 2015

Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.

Began Storm Peak out Share Lasted 90% restored Customer-hours
Jun 2, 2018 No storm report 5,867 100% 42 h 11 h 44k
Dec 15, 2021 Thunderstorms 861 15% 27 h 21 h 14k
Dec 26, 2017 No storm report 2,346 40% 11 h 4.0 h 8.7k
Jan 2, 2018 No storm report 5,867 100% 1.5 h 1.5 h 6.6k
Jun 11, 2018 No storm report 1,593 27% 14 h 2.8 h 6.0k
Aug 28, 2018 No storm report 1,706 29% 12 h 1.8 h 5.9k
Nov 25, 2018 Winter storm 854 15% 13 h 8.8 h 4.4k
May 17, 2018 No storm report 494 8% 8.2 h 11 h 3.9k
Aug 17, 2019 Flooding 600 10% 9.0 h 8.0 h 3.7k
Aug 19, 2018 No storm report 2,391 41% 5.5 h 12 min 3.6k
May 4, 2023 No storm report 456 8% 6.8 h 6.8 h 3.1k
Apr 27, 2022 No storm report 459 8% 6.5 h 8.8 h 3.0k

After the peak

How fast the lights come back

Each line is one major outage, from its peak. The amber line is the typical path.

0% 25% 50% 75% 100% peak+24h+48h+72h+96h half back by +4h 90% by +8h

When it happens

The outage clock

Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.

00061218 Jan inside

What was happening

Weather behind the outages

Each outage is matched to NOAA storm reports for Clay from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 87%
  • Thunderstorms 9.0%
  • Winter storm 2.2%
  • Flooding 2.1%

Who keeps the lights on

Utilities serving Clay

As each utility reports to the Energy Information Administration for its whole Kansas territory, not this county alone. Outage minutes include major storm days.

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Evergy Kansas Central, Inc Investor Owned 126 80 1.17 14.6 344k
Rolling Hills Electric Coop KS – – – 17.3 74k
Bluestem Electric Coop Inc KS – – – 16.6 70k
City of Clay Center KS – – – 12.4 20k
Prairie Land Electric Coop Inc Cooperative 383 157 – 14.8 13k

EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.

Next door

Neighbouring counties

Across Kansas

Where it is darkest

Hours / yr64+

All Kansas counties →

About these numbers

Notes

Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 5,867 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →