Alliant Energy

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About Alliant Energy

Alliant Energy supplies electricity to 2 states throughout the nation. Electricity companies must regularly report the total number of customers they have to government agencies. On the most recent reports the provider disclosed 991,289 customers receiving their services. Around 0.24% of these customers are industrial properties, 14.90% are commercial accounts and 84.86% are residential accounts. The average residential electricity price for customers of Alliant Energy is around 16.82 cents per kilowatt hour, resulting in the supplier ranking 2678th out of 2906 in the country for average electricity rate. In 2021 the company had sales to end customers totaling 25,503,365 megawatt hours and wholesale sales to other providers of 25,503,365 megawatt hours. The electricity they sourced was made up of megawatt hours produced by the company in power facilities they own and megawatt hours that they procured via the wholesale electricity market. They purchased 8,038,090 megawatt hours on the wholesale market and produced 25,729,419 megawatt hours. In 2021, the supplier earned 88.75% of their revenue from retail electricity sales to end users and 9.92%from wholesale customers.

Customers of the company pay an average monthly residential power bill of $121. This is 7.55% lower than the national average of $130.88. By customer count, Alliant Energy is the 57th largest supplier out of 3509 in the nation. The electricity grid owned by the provider has an average of 0.72 outages per customer a year, with outages lasting roughly 77.45 minutes. The nationwide average for other suppliers is 1.58 outages per customer and approximately 145.81 minutes an outage. The supplier ranks as the 58th highest generator of megawatt hours from coal in the nation out of 3509 electricity companies.

Alliant Energy Net Metering

Luckily, Alliant Energy offers net metering choices to consumers. Without net metering, solar panel installation is significantly less attractive economically, as consumers have no way to sell extra electricity back into the grid.

Energy Loss

Energy loss is a fact of life when working with electricity transmission. Alliant Energy currently averages a loss of around 1.76% of the total electricity they produce. These averages allow us to compare the grid efficiencies of the providers who operate around the United States. Alliant Energy has received a ranking of 199th best out of 3509 providers who report energy loss in the US.

Alliant Energy Rate & Electric Bills

Alliant Energy residential electric rates are highest in January and the highest average bill is in October.

Historical Electricity Rates:

Price Per kWhAverage Bill$0.185/kWh$0.133/kWh$178.11/mo.$81.36/mo.
2678th16.82¢Alliant Energy's Average residential price per kWh
1710th$121Average monthly electricity bill for Alliant Energy's residential customers

Alliant Energy Overview

  • Company Type:Investor Owned
  • Headquarters:4902 North Biltmore Lane Suite 1000
    Madison, Wisconsin 53718
    United States of America
  • CEO:John O. Larsen

Alliant Energy Contact

Alliant Energy Service

Go Solar for as low as $0 down and $79/mo and reduce or replace your electric bill

Quick Facts About Alliant Energy

Alliant Energy produces 12,781,515.44 megawatt hours from the burning of natural gas and ranks 47th in the United States out of 3509 companies for this category.

Alliant Energy is 50th in the country out of 3509 companies for total megawatt hours produced from solar.

Alliant Energy is the 62nd largest producer of megawatt hours from non-renewable fuel sources in the US out of 3509 suppliers.

Alliant Energy ranks 60th in the country out of 3509 electricity companies in megawatt hours generated from hydroelectric power use.

Alliant Energy is 304th in the nation out of the 3509 for the percentage of their fuel usage that comes from renewable fuel types.

Alliant Energy is ranked 59th in the United States for total electricity production, producing 25,348,646.32 megawatt hours.

Energy provider of the year for Wisconsin, Major Provider Category
Shortest Average Electricity Outages
Wisconsin, Major Provider Category
Claim Award
Energy provider of the year for Wisconsin, Major Provider Category
Top 3 Largest Producer of Renewable Electricity
Wisconsin, Major Provider Category
Claim Award
Energy provider of the year for Minnesota, Major Provider Category
Highest Ratio of Renewable Electricity
Minnesota, Major Provider Category
Claim Award

Energy Loss

Alliant Energy's energy loss due to business operations.


Total Energy Loss


199 National Rank

Grid Reliability

Length & Frequency of Alliant Energy's Power Outages

77.45 min.

vs. national average of 145.81 min.

0.72 outages/yr

vs. national average of 1.58

Alliant Energy Energy Makeup

Alliant Energy Coverage Map

Coverage Map Placeholder

Alliant Energy State Coverage

StateCustomersSales ($)State Rank Based On Revenue% of Provider's Residential Sales in State

Alliant Energy County Coverage

CountyPopulationProvidersAvg. County Rate (¢)Avg. Electric Bill
Adair County7,439613.63$167.34/mo
Adams County20,505315.84$104.62/mo
Adams County3,697312.89$130.22/mo
Allamakee County14,068315.46$151.38/mo
Appanoose County12,310315.34$135.50/mo
Benton County25,654512.75$148.36/mo
Boone County26,721313.98$164.66/mo
Bremer County24,863614.70$167.78/mo
Buchanan County20,598412.05$151.24/mo
Buena Vista County20,723513.08$183.54/mo

Power Plants Owned by Alliant Energy

PlantCity/CountyStatePrimary Fuel TypeProduction (MWh)Emission (kg)Emissions/MWhToxic Chemical ReleaseClosing Date
Columbia County WI Coal 3,711,5963,955,374,801.721,065.68
Wapello County IA Coal 3,630,987.013,804,392,388.371,047.76
Louisa County IA Coal 3,554,908.993,652,025,127.251,027.32
Rock County WI Natural Gas 3,465,3881,243,522,702.66358.84
Marshalltown Generating StationAlliant Energy (100.00%)
Marshalltown IA Natural Gas 3,206,9561,173,765,410.44366.01
Riverside Energy CenterAlliant Energy (100.00%)
Rock County WI Natural Gas 2,875,5651,035,896,216.6360.24
Cerro Gordo County IA Natural Gas 2,591,0951,132,924,703.96437.24
Sheboygan WI Coal 1,593,115.011,695,510,145.191,064.27
Clay County IA Wind 1,121,806
Woodbury County IA Coal 987,540.991,007,943,529.251,020.66

Alliant Energy Fuel Makeup

Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Conventional Hydroelectric

Cities Alliant Energy Has Coverage

* City coverage generated based on government data. Always verify you can get service from the provider.

Alliant Energy Reviews

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Alliant Energy FAQ:

What cities does Alliant Energy have customers in to?

Alliant Energy has customers in 749 cities.

What is the average bundled bill for Alliant Energy customers each month?

Consumers of Alliant Energy pay, on average, a monthly bundled bill of $121.00.

What is the phone number for Alliant Energy?

Alliant Energy's customer service phone number is (800) 255-4268

How many power plants are owned by or associated with Alliant Energy?

There are 22 power plants owned by or associated with Alliant Energy.

What is the average BUNDLED electricity rate for Alliant Energy customers?

The average BUNDLED rate of electricity for customers of Alliant Energy is 16.82 cents per kilowatt hour (¢/kWh).

How many counties does Alliant Energy provider electricity in?

There are 108 counties that receive at least some electricity coverage by Alliant Energy.

What percentage of Alliant Energy's electricity is generated from nonrenewable fuel types?

Alliant Energy produces 76.47% of their electricity using nonrenewable fuels.

Who is the CEO of Alliant Energy?

The CEO of Alliant Energy is John O. Larsen.

What percentage of Alliant Energy's electricity is generated using renewable fuels?

Power facilities owned by or associated with Alliant Energy produce 23.53% of their electricity from renewable fuels.

When will Alliant Energy power be restored?

Average outage times for Alliant Energy are about 77.44999999999999 minutes per outage.

How many states does Alliant Energy have customers in to?

There are 2 states that receive at least some electricity coverage by Alliant Energy.

Fernando García
Last Reviewed By: Fernando García
Published: 2022-09-27