massoutage

2025 Missouri Power Outage Report

In 2025, the average Missouri customer went without power for about 8.9 hours — the 6th worst of any US state that year, 2.0× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
8.9
Peak customers out
83,830
Rank (worst state)
6th
Counties affected
20

Missouri outages over the decade

Average hours without power per customer, 2025 highlighted.

2.2h20153.1h20162.8h20171.7h20183.8h20192.8h20204.5h20213.5h20229.4h20235.8h20248.9h2025

Hardest-hit Missouri counties in 2025

By peak customers out during the year's worst event.

1St. Louis County83,8302Greene County51,0433St. Louis city40,5964Jefferson County29,1555Jackson County21,6186Franklin County15,9087Lawrence County10,6688Christian County9,7419St. Charles County9,26910Perry County8,48911Stoddard County8,45312Clay County8,34513Cape Girardeau County7,86414Camden County7,58515Newton County7,55916Buchanan County7,02917Cass County6,60018Wayne County6,08119McDonald County5,95520Warren County5,799

Biggest Missouri outages of 2025

CountyBeganPeak customers out
St. Louis CountyMarch 12, 202583,830
Greene CountyApril 29, 202551,043
St. Louis CountyMay 14, 202547,245
St. Louis cityMay 16, 202540,596
Jefferson CountyMarch 14, 202529,155
Jackson CountyMarch 4, 202521,618
Franklin CountyMarch 14, 202515,908
Jefferson CountyMay 16, 202512,931
Jackson CountyJune 3, 202512,142
Jackson CountyAugust 17, 202510,691
Missouri by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCVA

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.