A.E.S. Corp.

Coal power plant in Guayama, United States of America. Approximate location 17.9474, -66.1494.

CoalGuayamaUnited States of America

A.E.S. Corp. is a 454 MW coal power station in Guayama, United States of America. It is operated by AES Corporation. Based on its capacity (estimated), it can supply roughly 569k homes (estimated). It ranks #1345 of 10,938 United States of America power plants by installed capacity. In context, coal supplies about 16.3% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

454Legacy source-record capacity
568,524homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1026808.

Data status

Known data

FacilityA.E.S. Corp. WRI
CountryUnited States of America · Guayama WRI
Coordinates17.9474, -66.1494 WRI
FuelCoal WRI
MW installed capacity454 MW WRI source record; scope not independently normalised
OwnerAES Corporation WRI

Calculated from dataset

CO₂ emissions1,989,834 t CO₂/yr calculated
Capacity rank in country#1345 of 10938 calculated
Fuel-specific rank in country#435 of 802 calculated
Capacity vs country/fuel peers0.81× · 558 MW median · 802 peers calculated
Homes-powered equivalent568,524 calculated
Climate26.1°C · HDD 0 derived from coordinates
Environmental severityC5 · 47/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 454 MW, A.E.S. Corp. is below the median coal plant in United States of America (558 MW). Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest coal plants in United States of America

W A Parish: 3,953 MW4kW A ParishScherer: 3,564 MW4kSchererScherer Steam Generating Station: 3,564 MW4kScherer St…Bowen: 3,499 MW3kBowenPlant Bowen: 3,499 MW3kPlant BowenCrystal River Energy Complex: 3,448 MW3kCrystal Ri…Gibson: 3,340 MW3kGibsonGibson Generating Station: 3,340 MW3kGibson Gen…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by AES Corporation. All plants by this company →

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 17.9°N — which shapes how much energy it can produce and how its output varies through the year.

26.1°Cannual mean temp
0heating degree-days (base 18°C)
2,956cooling degree-days (base 18°C)
43 melevation

Monthly mean temperature

J: 24 °CJF: 24 °CFM: 25 °CMA: 26 °CAM: 26 °CMJ: 27 °CJJ: 28 °CJA: 28 °CAS: 27 °CSO: 27 °CON: 26 °CND: 25 °CD28 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
47/100environmental-severity index
3.2°Cseasonal temperature swing
24 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #435 largest coal power plant of 802 in United States of America by capacity.

United States of America has 802 coal power plants in this dataset, together about 621,194 MW of capacity.

Nearby power plants

Location

Coordinates 17.9474, -66.1494 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is A.E.S. Corp.?

A.E.S. Corp. is a 454 MW source-record coal power plant in Guayama, United States of America.

How many homes can A.E.S. Corp. power?

Its output is enough to supply roughly 568,524 homes (estimated).

Who operates A.E.S. Corp.?

A.E.S. Corp. is operated by AES Corporation.

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