US PowerGrade

Power outages in Iowa, by utility

Across 13 Iowa utilities that reported to the federal government, the median customer went without power for 1.6 hours in 2025 — that is 1.9× better than the national median. Iowa ranks #36 of 41 states for outage time, worst first.

Median utility
1.6 hrs
typical customer
Worst utility
3.4 hrs
MidAmerican Energy Co
Best utility
0.3 hrs
City of Independence - (IA)
Utilities reporting
13
of 752 nationwide

Every reporting Iowa utility, worst outage time first

#UtilityOutage time/yrOutages/yrvs US median
1MidAmerican Energy CoInvestor Owned3.4 hrs205 min1.21.2× worse
2Maquoketa Valley Rrl Elec CoopCooperative2.3 hrs138 min1.01.3× better
3Corridor Energy CooperativeCooperative2.3 hrs135 min1.81.3× better
4Heartland Power CoopCooperative2 hrs117 min0.91.5× better
5MiEnergy CooperativeCooperative1.7 hrs101 min0.91.8× better
6Butler County Rural Elec Coop - (IA)Cooperative1.6 hrs97 min1.51.8× better
7Consumers Energy Coop - (IA)Cooperative1.6 hrs94 min0.71.9× better
8Eastern Iowa Light & Power CoopCooperative1.5 hrs92 min0.91.9× better
9East-Central Iowa Rural Elec CoopCooperative1.1 hrs67 min0.92.7× better
10Iowa Lakes Electric CoopCooperative0.9 hrs55 min0.43.2× better
11City of Ames - (IA)Municipal0.4 hrs21 min0.48.4× better
12Board of Water Electric & CommunicationsMunicipal0.3 hrs19 min0.39.3× better
13City of Independence - (IA)Municipal0.3 hrs17 min0.210.3× better

Outage time is SAIDI: the average minutes a customer went without power across the year, storms and major events included. Outages/yr is SAIFI. The US median across all reporting utilities is 3 hours (178 minutes).

What these numbers do and do not say

SAIDI counts the minutes an average customer spent without power over the year, including storms and other major events. We rank on the figure that includes them, because excluding storms would describe a year nobody actually lived through.

Utilities report these numbers themselves, and smaller co-ops and municipal systems often serve rural territory where a single line fault affects a large share of customers. A high number is not automatically mismanagement — but it is still the power you did not have.

Utilities that filed no reliability data are left out entirely rather than counted as zero.

Other states