massoutage

County annual report · FIPS 20131

2025 Nemaha County, KS Power Outage Report

In 2025, customers in Nemaha County, KS went without power for an average of 0.2 hours, a total of 1,460 customer-hours (Kansas average 2.9 hours). That ranks 92nd worst of 99 Kansas counties and 2921st of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
0.2
7,024 customers
Customer-hours out
1,460
Peak customers out
535
Outages ≥1,000 out
0
0 of 10,000+ · 126 total
Longest outage
6h 45m
began November 9, 2025
Rank in state
92nd/99
2921st of 3,000 US

Compared with KS, the US and 2024

Nemaha County, KS average hours without power per customer compared with state and national averages, 2025Nemaha County 0.2 hours, Kansas average 2.9 hours, US average 5.9 hours, Nemaha County, 2024 0.3 hoursNemaha CountyNemaha County0.2hKansas averageKansas average2.9hUS averageUS average5.9hNemaha County, 2024Nemaha County, 20240.3h
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Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

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Nemaha County, KS customer-hours without power by month, 2025Jan 64, Feb 23, Mar 252, Apr 244, May 64, Jun 536, Jul 45, Aug 74, Sep 38, Oct 28, Nov 58, Dec 35020040060064Jan23Feb252Mar244Apr64May536Jun45Jul74Aug38Sep28Oct58Nov35Dec
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Customer-hours; June was the worst month.

Nemaha County year over year

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Nemaha County, KS: average hours without power per customer by year2015: 0.4h; 2016: 0.5h; 2017: 0.1h; 2018: 0.1h, coverage 71%; 2019: 1.0h, coverage 74%; 2020: 0.4h, coverage 79%; 2021: 1.4h, coverage 80%; 2022: 0.4h, coverage 59%; 2023: 0.5h; 2024: 0.3h; 2025: 0.2h00.511.50%50%100%0.4h20150.5h20160.1h20170.1h20181.0h20190.4h20201.4h20210.4h20220.5h20230.3h20240.2h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Kansas customers tracked each year.

Biggest outages in Nemaha County, 2025

The 10 outage episodes with the most customers out at once. Times are UTC.

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 29, 2025 00:30April 29, 2025 03:002h 30m535143
2June 6, 2025 18:30June 6, 2025 21:453h 15m111361
3June 27, 2025 04:15June 27, 2025 04:3015m5313
4March 19, 2025 19:30March 19, 2025 20:451h 15m3629
5January 28, 2025 14:15January 28, 2025 15:301h 15m2526
6June 3, 2025 18:45June 3, 2025 22:003h 15m2555
7June 29, 2025 13:45June 29, 2025 15:151h 30m2538
8June 30, 2025 13:45June 30, 2025 14:3045m2519
9March 5, 2025 02:00March 5, 2025 04:452h 45m2338
10April 23, 2025 20:45April 23, 2025 22:452h2234

Outage episodes by size in 2025: 2 reached 100+ customers, 0 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Nemaha County reported on EIA Form 861 for 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Evergy Metro20246.0 hrs1.5283 min0.93
Evergy Kansas Central, Inc20245.3 hrs1.651.7 hrs1.05
Nemaha-Marshall E C A, Inc20183.8 hrs2.103.8 hrs2.10
Brown-Atchison E C A Inc-----
City of Sabetha - (KS)-----
City of Centralia - (KS)-----
City of Seneca - (KS)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Kansas's customers in 2025; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 7,024 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Nemaha County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Nemaha County, KS annual power outage report, 2025, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2025/kansas/nemaha-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON