Home / Companies / Interstate Power and Light Co

Interstate Power and Light Co — power plant portfolio

Interstate Power and Light Co operates 18 power plants across 1 country, with a combined installed capacity of 4,309 MW. Its plants with asset-level emissions data total 1,331,288 t CO₂/yr.

18power plants
4,309MW total capacity
1countries
1,331,288t CO₂/yr (source-labelled)

Fleet by fuel

Gas: 8 plants8GasWind: 4 plants4WindCoal: 3 plants3CoalOil: 2 plants2OilSolar: 1 plants1Solar

Fleet interpretation

Interstate Power and Light Co is represented here as an asset portfolio, not just a company label. The visible fleet spans 1 country; the largest concentration is United States of America (18).

The fuel mix by asset count is gas (8), wind (4), coal (3), oil (2). The largest listed asset is Ottumwa in United States of America (726 MW), and the mean listed unit size is about 239 MW across units with capacity data.

CO₂ coverage is source-labelled: 3 plants have a reported or modelled CO₂ value in the dataset, including 1 measured records. Missing values remain blank rather than inferred as company totals.

Method: plant-level records are grouped by owner/operator label, then aggregated by country, fuel, capacity and CO₂ provenance.

All 18 plants

PlantFuelCountryMWt CO₂/yr
OttumwaCoalUnited States of America726—
Marshalltown Generating StationGasUnited States of America7061,270,953
Emery StationGasUnited States of America603—
Upland PrairieWindUnited States of America299—
Burlington (IA)CoalUnited States of America291—
LansingCoalUnited States of America2741,091
Prairie CreekGasUnited States of America213—
Whispering Willow Wind Farm - EastWindUnited States of America200—
MarshalltownGasUnited States of America189—
Milton L KappGasUnited States of America180—
English FarmsWindUnited States of America172—
Fox LakeGasUnited States of America133—
Franklin County Wind FarmWindUnited States of America99—
Lime CreekOilUnited States of America9059,244
CentervilleOilUnited States of America60—
GrinnellGasUnited States of America48—
Red CedarGasUnited States of America22—
West Dubuque SolarSolarUnited States of America4—

Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). CO₂ is measured for EPA/EU ETS records and modelled for Climate TRACE records.

Frequently asked questions

How many power plants does Interstate Power and Light Co operate?

Interstate Power and Light Co operates 18 power plants across 1 country, with about 4,309 MW of total capacity.

What is Interstate Power and Light Co's largest power plant?

Ottumwa in United States of America is its largest at about 726 MW.

What types of power plants does Interstate Power and Light Co run?

Its fleet includes gas (8), wind (4), coal (3).

How much CO₂ do Interstate Power and Light Co's plants emit?

Its reporting plants emit about 1,331,288 tonnes of CO₂ per year in this dataset.