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About Ameren

With headquarters in Saint Louis, Missouri, Ameren supplies electricity to 3 states throughout the nation and is considered an investor owned organization. The supplier has a total of 1,772,155 customers. There are 1,536,195 residential accounts, 232,031 commercial customers, one transportation account and 3,928 industrial customers. On average, Ameren's consumers pay a residential electricity rate of 11.51 cents per kilowatt hour, which is 18.45% less than the nationwide average price of 14.11 cents. This makes the provider 1174th lowest for average electricity price out of 2923 suppliers in the US. About 38,426,430 megawatt hours were sold by the company to retail accounts in 2020. Of the megawatt hours they sourced, 40,694,403 of them were produced by electricity generation facilities owned by the company and 11,490,711 megawatt hours were obtained via wholesale channels. Their revenue for 2020 from electricity related activities was $4,853,537,400, with $3,395,383,400 coming from retail sales to end users and $256,649,000 from sales to the wholesale market.

The average monthly residential electricity bill for a customer of Ameren is $119.8. Customers of the provider have a 4.89% markdown compared to other residents of the US. Solar facilities owned or operated by the company generate 7,950 megawatt hours, which is 0.02% of their total production capacity. The company produces 36,547,353.37 megawatt hours from non-renewable fuels a year. Electricity generation from sustainable fuel sources by the company totals 3,534,715 megawatt hours, ranking the supplier 55th out of the 3509 we track in the nation.

Ameren Net Metering

Net metering is accessible to consumers of Ameren. Net metering makes solar panel installation more economically feasible as it gives the ability for individuals to sell electricity back into the grid.

Energy Loss

Energy loss is simply part of the process when working with electricity transmission. Ameren currently averages a loss of about 3.57% of the total electricity they transmit. Ameren's energy loss levels leave them with a rank of 20th best out of 3509 in the United.

Ameren Rate & Electric Bills

Ameren residential electric rates are highest in January and the highest average bill is in January.

Historical Electricity Rates:

Price Per kWhAverage Bill$0.155/kWh$0.080/kWh$205.57/mo.$66.69/mo.
1174th11.51¢Ameren's Average residential price per kWh
1803rd$119.8Average monthly electricity bill for Ameren's residential customers

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Ameren Overview

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    Quick Facts About Ameren

    Ameren ranks 12th in the nation out of 3509 electricity suppliers in megawatt hours generated from coal usage.

    Ameren's electricity facilities generate 8,706,351.49 megawatt hours from nuclear power.

    Ameren is the 28th largest supplier out of 3509 providers in the nation based on megawatt hours sold.

    Ameren is 26th in the US out of 3509 companies in megawatt hours generated from hydroelectric power usage.

    Ameren is the 33rd largest generator of electricity out of 3509 companies in the United States, producing 40,082,068.37 megawatt hours.

    Ameren generates 508,774.87 megawatt hours using natural gas and ranks 178th in the country out of 3509 suppliers for this category.

    Energy Loss

    Ameren's energy loss due to business operations.


    Total Energy Loss


    509 National Rank

    Ameren Energy Makeup

    Ameren Coverage Map

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    Ameren State Coverage

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

    Ameren County Coverage

    CountyPopulationProvidersAvg. County Rate (¢)Avg. Electric Bill
    Adair County25,314513.12$142.28/mo
    Adams County65,7374114.07$99.39/mo
    Alexander County5,2404214.15$101.52/mo
    Andrew County18,135413.63$152.75/mo
    Audrain County24,962511.08$132.26/mo
    Bollinger County10,567510.99$125.98/mo
    Bond County16,7254313.99$99.77/mo
    Boone County183,610611.47$122.59/mo
    Brown County6,2444114.07$99.41/mo
    Buchanan County84,793613.03$147.12/mo

    Power Plants Owned by Ameren

    PlantCity/CountyStatePrimary Fuel TypeProduction (MWh)Emission (kg)Emissions/MWhToxic Chemical ReleaseClosing Date
    Franklin County MO Coal 16,502,873.8917,058,960,586.081,033.7
    Callaway County MO Nuclear 8,706,351.49
    Jefferson County MO Coal 7,077,1397,039,121,774.71994.63
    West Alton MO Coal 3,413,6023,378,728,363.98989.78
    Atchison County WindAmeren Missouri (100.00%)
    Atchison County MO Wind 1,007,677
    Keokuk IA Conventional Hydroelectric 923,378
    High Prairie Wind FarmAmeren Missouri (100.00%)
    Schuyler County MO Wind 874,608
    Lakeside MO Conventional Hydroelectric 861,599
    Oakville CDP MO Coal 463,843542,391,908.451,169.34
    Pinckneyville IL Natural Gas 110,53764,864,576.56586.81

    Ameren Fuel Makeup

    Conventional Hydroelectric
    Natural Gas

    Cities Ameren Has Coverage

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

    Ameren Reviews

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    Ameren FAQ:

    How much is the average bundled bill for Ameren customers each month?

    Customers of Ameren pay, on average, a monthly bundled bill of $119.80.

    How many states does Ameren supply electricity in?

    There are 3 states that receive at least some electricity coverage by Ameren including Illinois, Missouri, and Kentucky.

    Does Ameren have any subsidiary companies?

    Ameren is a parent company of Ameren Missouri, Ameren Illinois, and Electric Energy Inc.

    Who is the CEO of Ameren?

    Ameren's current CEO is Warner Baxter.

    What percentage of Ameren's electricity is generated using nonrenewable fuel sources?

    Ameren generates 91.18% of their electricity using nonrenewable fuels.

    What is the phone number for Ameren?

    The Ameren phone number is (800) 552-7583.

    What is the average BUNDLED electricity rate for Ameren customers?

    The average BUNDLED price of electricity for customers of Ameren is 11.51 cents per kilowatt hour (¢/kWh).

    What cities does Ameren have customers in to?

    Ameren provides electricity in 1259 cities.

    How many power plants are owned by or associated with Ameren?

    Ameren owns or is associated with 23 power plants.

    How many counties does Ameren sell electricity in?

    Ameren provides electricity in 158 counties in the nation.

    What percentage of Ameren's electricity is generated from renewable fuel types?

    Electric generation plants owned by or associated with Ameren generate 8.82% of their electricity from renewable fuel sources.

    Last Reviewed By: Matt Hope
    Published: 2022-03-13