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MidAmerican Energy Co

Investor Owned · Iowa, Illinois, South Dakota · 2025 data from EIA Form 861

Customers
838,128
2025
Average home price
11.08¢/kWh
Average home bill
$91/mo
2025
Counties served
60

About this utility

EIA utility number
12341
Ownership
Investor Owned
Business
Generation, Transmission, Distribution, Wholesale sales, Bundled service
States
Iowa, Illinois, South Dakota
Service
Generation and delivery, Delivery only (wires company)

Sales in Iowa

2025. Price is revenue divided by kilowatt-hours sold

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Customer classCustomersRevenueSalesPriceHome bill
Residential639,558$712.6 million6.35 TWh11.21¢/kWh$93/mo
Commercial105,357$450.2 million5.08 TWh8.87¢/kWh
Industrial1,523$1.25 billion19.38 TWh6.47¢/kWh
All customers746,438$2.42 billion30.81 TWh7.85¢/kWh

Sales in Illinois

2025. Price is revenue divided by kilowatt-hours sold

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Customer classCustomersRevenueSalesPriceHome bill
ResidentialGeneration and delivery73,481$65.5 million656 GWh9.99¢/kWh$74/mo
CommercialGeneration and delivery12,771$44.6 million596 GWh7.49¢/kWh
IndustrialGeneration and delivery46$27.4 million535 GWh5.12¢/kWh
All customersGeneration and delivery86,298$137.6 million1.79 TWh7.70¢/kWh
CommercialDelivery only (wires company)59$250 thousand12 GWh2.04¢/kWh
All customersDelivery only (wires company)59$250 thousand12 GWh2.04¢/kWh

Sales in South Dakota

2025. Price is revenue divided by kilowatt-hours sold

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Customer classCustomersRevenueSalesPriceHome bill
Residential4,236$5.1 million57 GWh8.90¢/kWh$99/mo
Commercial1,074$5.3 million69 GWh7.76¢/kWh
Industrial23$10.6 million190 GWh5.59¢/kWh
All customers5,333$21.0 million316 GWh6.66¢/kWh

Counties served

As reported to EIA. A utility may serve only part of a county

Iowa

Illinois

South Dakota

Power plants operated

Operating capacity from the EIA-860M generator inventory

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PlantFuelCapacity
Walter Scott Jr Energy CenterIowaCoal1.6 GW
LouisaIowaCoal812 MW
George Neal SouthIowaCoal696 MW
George Neal NorthIowaCoal584 MW
Greater Des MoinesIowaNatural gas576 MW
Highland Wind Project (IA)IowaWind502 MW
Orient Wind FarmIowaWind501 MW
Rolling Hills Wind FarmIowaWind484 MW
Beaver Creek WindIowaWind340 MW
North EnglishIowaWind340 MW
Palo Alto Wind FarmIowaWind340 MW
Arbor Hill Wind FarmIowaWind310 MW
Ida Grove WindIowaWind301 MW
Pomeroy Wind FarmIowaWind286 MW
Lundgren Wind ProjectIowaWind271 MW
ElectrifarmIowaNatural gas264 MW
Southern Hills Wind FarmIowaWind254 MW
Diamond Trail Wind FarmIowaWind253 MW
O'Brien WindIowaWind250 MW
Shenandoah Hills Wind FarmIowaWind214 MW
Eclipse Wind FarmIowaWind207 MW
Plymouth WindIowaWind203 MW
Chickasaw Wind FarmIowaWind202 MW
CenturyIowaWind201 MW
Ida Grove IIIowaWind201 MW
Pleasant HillIowaNatural gas180 MW
IntrepidIowaWind176 MW
Adair Wind FarmIowaWind175 MW
Prairie Wind FarmIowaWind168 MW
Walnut Wind FarmIowaWind165 MW
Carroll Wind FarmIowaWind159 MW
Sycamore (IA)IowaNatural gas158 MW
Adams WindIowaWind154 MW
Vienna Wind FarmIowaWind150 MW
Wellsburg Wind ProjectIowaWind141 MW
River HillsIowaNatural gas128 MW
Laurel Wind FarmIowaWind123 MW
Macksburg Wind ProjectIowaWind120 MW
Contrail Wind FarmIowaWind112 MW
Morning Light Wind FarmIowaWind111 MW
Victory Wind FarmIowaWind105 MW
Holliday Creek SolarIowaSolar100 MW
Ivester Wind FarmIowaWind90.8 MW
Charles City Wind FarmIowaWind80.0 MW
Pocahontas Prairie Wind FarmIowaWind80.0 MW
MolineIllinoisNatural gas75.6 MW
Coralville GTIowaNatural gas72.0 MW
Merl ParrIowaNatural gas36.0 MW
Arbor Hill SolarIowaSolar25.0 MW
ShenandoahIowaPetroleum20.0 MW
Waterloo LundquistIowaPetroleum18.0 MW
Knoxville IndustrialIowaPetroleum16.0 MW
Franklin County SolarIowaSolar7.0 MW
Neal Energy Center SolarIowaSolar4.0 MW
Waterloo Solar (IA)IowaSolar3.0 MW
Johnson County Hills SolarIowaSolar3.0 MW
Knoxville Battery Energy StorageIowaBattery storage1.1 MW

Figures are what the utility reported to EIA for the year. Retail electricity providers in states with customer choice report energy sales only, and delivery companies report delivery charges only, so their prices are not a full bill.

Frequently asked questions

How many customers does MidAmerican Energy Co have?
MidAmerican Energy Co reported 838,128 electric customers (meters) in 2025.
What does MidAmerican Energy Co charge for electricity?
Homes served by MidAmerican Energy Co paid an average of 11.08¢/kWh in 2025, which is total residential revenue divided by kilowatt-hours sold. The average home bill was about $91 a month.
What area does MidAmerican Energy Co serve?
MidAmerican Energy Co reports serving 60 counties in Iowa, Illinois, South Dakota.

Source: U.S. Energy Information Administration, Form EIA-861 (2025) · Data for 2025