Cedar Rapids, Iowa Power Outage Today

How reliable is Alliant Energy service in Cedar Rapids?

Alliant Energy is an investor-owned utility with 499,530 customers. In 2024 its customers averaged 1.08 interruptions and 116 minutes (116 minutes) without power, so the average outage lasted 108 minutes.

Little of that came from major storms (about 15%). Without major event days the average is still 99 minutes, so the figure mostly reflects everyday faults: failed equipment, tree limbs, animals and vehicles hitting poles.

The typical outage was repaired in 108 minutes.

For comparison, Iowa as a whole averaged 167 minutes and the United States 614 minutes. That puts Alliant Energy below the state average, which is better.

Among the 17 utilities in Iowa with at least 5,000 customers that report to the federal government, Alliant Energy ranks 11th for the fewest outage minutes (1 is best). Nationally, 66% of the 926 utilities of that size reported more outage minutes in 2024.

This utility reports with its own method rather than the IEEE standard, so compare its numbers with other utilities loosely.

These are the figures the utility itself reported to the US Energy Information Administration (Form EIA-861, 2024) and describe the whole service territory, not one street. Your own address can be better or worse.

Storm season and outages in Cedar Rapids

NOAA’s Storm Events Database lists 406 storm reports for Linn County from 2015 through 2026, most often thunderstorm wind (179), hail (166), flash flood (26), and tornado (20). The busiest full year was 2020 with 60 reports and the quietest was 2018 with 17, so the risk changes a lot from one year to the next.

Reports peak in July (105 since 2015), followed by April and June. October is outside those three months, so an outage now is less likely to be weather-related.

NOAA’s own narratives name power outages in 14 storm episodes in Linn County since 2015, most often in June. That count is a floor, since the database records outages only when a spotter or agency mentions them.

What the most common storm types in Cedar Rapids do to the grid:

• Thunderstorm wind. Straight-line wind pushes trees and limbs into distribution lines. These outages are usually local, a street or a neighborhood at a time, and crews clear them circuit by circuit.
• Hail. Hail rarely cuts power by itself, but it often arrives with the wind and lightning that do, and it breaks solar panels, windshields and exposed utility equipment.
• Flash flood. Floodwater reaches ground-level transformers, meters and low-lying substations. Utilities may shut power off ahead of the water on purpose, and wading near flooded equipment can electrocute.

Storm reports that name Cedar Rapids

Within Linn County, 111 NOAA storm reports since 2015 name Cedar Rapids as their location or in their description: thunderstorm wind (57), hail (33), flash flood (13), and tornado (4). That is about 27% of the county’s reports. Reports naming Cedar Rapids are most common in July. The busiest full year was 2023 with 16. These reports record 1 death and 201 injuries in total.

In NOAA’s own words, storms that left Cedar Rapids without power:

• August 10, 2020 (thunderstorm wind): “The peak thunderstorm wind gust measured at the Cedar Rapids airport ASOS before it lost power was 68 MPH.” Source: NOAA Storm Events Database

Who a power outage hits hardest in Cedar Rapids

76.9% of occupied homes in Cedar Rapids are heated with piped natural gas, and 20.1% with electricity (US 41.3% electric). A gas furnace still needs electricity for its blower and ignition, so a long winter outage leaves these homes cold too, though a gas supply stays on when the grid fails. Never heat a home with an oven, grill or camp stove indoors.

Residents aged 65 or older are 16.7% of the population in Cedar Rapids, close to the US share of 17.2% and 12.3% report a disability (US 13.3%). These are the households most likely to depend on powered medical equipment such as oxygen concentrators, CPAP machines and refrigerated medicine. If someone in your home does, ask Alliant Energy whether it keeps a priority or medical-needs list, and register before the next storm rather than during it.

About the housing: 44.4% of the housing in Cedar Rapids was built before 1970 (US 35.5%).

Source: US Census Bureau, American Community Survey 2020–2024 (housing, heating fuel, age and disability tables).

Backup power and electricity use in Cedar Rapids

The average Alliant Energy home used about 714 kWh a month in 2024 (US average 892 kWh), an average draw of 1.0 kW around the clock, and paid about 17.9 cents per kWh (13.4 in the state, 15.8 nationally), roughly $128 a month.

Keeping only the essentials on (a refrigerator, router, a few lights and phone chargers, about 400 watts) through an outage that lasts the average 108 minutes takes less than 1 kWh. A portable power station or a power bank covers that; a generator is more than most households here need for a typical outage.

A generator must never run indoors, in a garage or near a window; generator and food-safety rules are in the power outage guide linked below.

If the power is out in Cedar Rapids

About 133,562 people live in Cedar Rapids, the 2nd largest of the 5 Iowa cities on this site. Report the outage to the utility so a ticket exists for your address, then check Alliant Energy’s outage map for an estimate. If neighbors have power and you do not, report it again: the fault may be on the line to your house alone, which is a separate repair.

Cedar Rapids power outage map

Alliant Energy’s outage map has the official restoration estimate for your address; the count above comes from residents. Food and generator safety: power outage guide.

Cedar Rapids power outage questions