Power Out Map

Investor Owned utility · · IA

Interstate Power and Light Co

In 2025, the average Interstate Power and Light Co customer in Iowa was without power for 89 minutes (1.5 hours), about the same as the median Iowa utility.

Outage minutes per customer 89min 2025, including major storms
Excluding major storm days 74min The everyday reliability of the network
Outages per customer a year 0.82 SAIFI, 2025
Residential price 17.8¢/kWh 2025 · Iowa median 13.8¢

Reliability

Minutes in the dark, year by year

Average minutes without power per customer in Iowa (SAIDI), with and without major event days, against the median Iowa utility.

0 1,000 2,000 3,000 4,000 20182019202020212022202320242025 All days 89 No major storms 74 IA median 94

Price

Residential cents per kWh

Revenue from full-service residential customers divided by their sales, as reported to the EIA.

0.0 5.0 10.0 15.0 20.0 20182019202020212022202320242025 This utility 17.8 IA median 13.8

Territory

Counties served

Counties where Interstate Power and Light Co reports customers. Open one for its full outage history.

Iowa

AdairAdamsAllamakeeAppanooseBentonBlack HawkBooneBremerBuchananBuena VistaButlerCarrollCassCedarCerro GordoCherokeeChickasawClarkeClayClaytonClintonDallasDavisDecaturDelawareDes MoinesDickinsonDubuqueEmmetFayetteFloydFranklinGreeneGrundyGuthrieHamiltonHancockHardinHenryHowardIowaJacksonJasperJeffersonJohnsonJonesKeokukKossuthLeeLinnLouisaLucasLyonMadisonMahaskaMarionMarshallMitchellMonroeMontgomeryMuscatineO'BrienOsceolaPalo AltoPocahontasPolkPoweshiekRinggoldScottSiouxStoryTamaTaylorUnionVan BurenWapelloWarrenWashingtonWayneWebsterWinnebagoWinneshiekWorthWright

Source: U.S. Energy Information Administration, Form EIA-861, 2018–2025. Reliability uses the IEEE 1366 standard where the utility reports it. Residential customers in 2025: 419,451.