Sumner County, KS Power Outages
Utilities serving Sumner County, Kansas don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Sumner County on the Kansas outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Sumner County power outage history
Every significant outage recorded in Sumner County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 102 significant power outages in Sumner County, meaning events that left at least 1% of customers in the dark. The largest (Apr 21–22, 2021) came when a winter storm left 1,713 customers (19.5% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 56 min of power per year, less than the Kansas average of 3 hr 10 min. That ranks 75th of 100 Kansas counties for outage time, where 1st has the most.
June is the riskiest month: it accounted for 43% of all customer outage time from 2018 to 2025. On 25 days in that period, at least 5% of customers were out at the same time. Outage time in Sumner County has held roughly steady recently: about 2 hr per customer per year in 2022–2025, versus 1 hr 51 min in 2018–2021.
The most recent significant outage on record (Sep 25, 2025) affected 166 customers (1.9%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Apr 21–22, 2021 | 1,713(19.5%) | 2 | Winter storm |
| 2 | Jun 9–10, 2024 | 1,200(13.7%) | 2 | Severe thunderstorms |
| 3 | Mar 13–14, 2024 | 1,145(13.1%) | 2 | Hail and lightning |
| 4 | Oct 28 – Nov 1, 2021 | 1,132(12.9%) | 5 | High winds |
| 5 | Dec 15, 2022 | 1,127(12.8%) | 1 | No major storm reported |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Sumner County?
Electric companies with service territory in Sumner County (EIA-861, 2025)
| Utility | Type | Customers (KS) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Evergy (Kansas South) | Investor Owned | 349,942 | Not reporting | |
| Sedgwick County El Coop Assn Inc | Cooperative | 8,530 | Not reporting | |
| Sumner-Cowley Elec Coop, Inc | Cooperative | 4,586 | Not reporting | |
| City of Wellington - (KS) | Municipal | 4,320 | Not reporting | |
| City of Mulvane - (KS) | Municipal | 2,949 | Not reporting | |
| City of Oxford - (KS) | Municipal | 591 | Not reporting |
Customer counts are each utility's statewide total in Kansas. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sumner County outage headlines in the past week.
Sumner County power outage FAQ
Is the power out in Sumner County right now?
No outages are currently reported for Sumner County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Sumner County?
According to EIA-861 service territory data, Evergy Kansas South, Inc, Sedgwick County El Coop Assn Inc, Sumner-Cowley Elec Coop, Inc, City of Wellington - (KS) and 2 others provide electric service in Sumner County, Kansas.
What was the worst power outage in Sumner County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Apr 21–22, 2021. It peaked at 1,713 customers without power (19.5% of the county). NOAA storm reports for that period point to winter storm.
How often does the power go out in Sumner County?
EAGLE-I has recorded 102 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 56 min of power per year, and on 25 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Sumner County, KS Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/kansas/sumner-county