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Entergy Arkansas LLC — power plant portfolio

Entergy Arkansas LLC operates 9 power plants across 2 countries, with a combined installed capacity of 9,205 MW. Its plants with asset-level emissions data total 6,429,558 t CO₂/yr.

9power plants
9,205MW total capacity
2countries
6,429,558t CO₂/yr (source-labelled)

Fleet by fuel

Gas: 4 plants4GasHydro: 2 plants2HydroCoal: 2 plants2CoalNuclear: 1 plants1Nuclear

Fleet interpretation

Entergy Arkansas LLC is represented here as an asset portfolio, not just a company label. The visible fleet spans 2 countries; the largest concentration is United States of America (9), United States (0).

The fuel mix by asset count is gas (4), hydro (2), coal (2), nuclear (1). The largest listed asset is Union Power Station in United States of America (2,428 MW), and the mean listed unit size is about 1,031 MW across units with capacity data.

CO₂ coverage is source-labelled: 2 plants have a reported or modelled CO₂ value in the dataset, including 2 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 9 plants

PlantFuelCountryMWt CO₂/yr
Union Power StationGasUnited States of America2,428
Arkansas Nuclear OneNuclearUnited States of America1,845
Independence Steam Electric StationCoalUnited States of America1,8005,566,309
White BluffCoalUnited States of America1,800
Hot Spring Generating FacilityGasUnited States of America715863,249
Lake CatherineGasUnited States of America552
MabelvaleGasUnited States of America78
CarpenterHydroUnited States of America56
RemmelHydroUnited States of America9

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 Entergy Arkansas LLC operate?

Entergy Arkansas LLC operates 9 power plants across 2 countries, with about 9,205 MW of total capacity.

What is Entergy Arkansas LLC's largest power plant?

Union Power Station in United States of America is its largest at about 2,428 MW.

What types of power plants does Entergy Arkansas LLC run?

Its fleet is mostly gas (4), hydro (2), coal (2).

How much CO₂ do Entergy Arkansas LLC's plants emit?

Its reporting plants emit about 6,429,558 tonnes of CO₂ per year in this dataset.

By Dmytro Aheiev, Inzonex Research · ORCID 0009-0001-5512-0291 · data sources and methodology