Power plants in Puerto Rico

54 operating power projects with 6,365 MW of nameplate capacity, from EIA-860M for August 2026.

Projects

54

Nameplate capacity

6,365 MW

Counties with a plant

27

Operators

30

Capacity by fuel

MW is nameplate from operating generators and batteries. Plant counts use each project's primary fuel, so a coal and gas plant counts once.

Largest power plants in Puerto Rico

Top 50 · All 54 plants
PlantPrimary fuelMWCountyOperator
Aguirre PlantOil1,534SalinasPuerto Rico Electric Pwr Authority
Costa Sur PlantNatural gas and oil1,032–Puerto Rico Electric Pwr Authority
Central San Juan PlantOil840–Puerto Rico Electric Pwr Authority
Palo Seco PlantOil728–Puerto Rico Electric Pwr Authority
EcoElectricaNatural gas580PenuelasEcoElectrica LP
AES Puerto RicoCoal510GuayamaAES Puerto Rico LP
Cambalache PlantOil248AreciboPuerto Rico Electric Pwr Authority
Mayaguez PlantOil220–Puerto Rico Electric Pwr Authority
Pattern Santa Isabel LLCWind101Santa IsabelPattern Operators LP
Oriana Energy HybridSolar and battery storage67IsabelaOriana Energy LLC

Puerto Rico power plants by fuel

Newest plants in Puerto Rico

Ordered by the month the first generator began operating.

Counties with the most capacity

Largest operators in Puerto Rico

Grouped by EIA operator name. Parent companies are not merged.

All 54 plants in Puerto Rico, by county

Aguadilla 1 plant

Aibonito 1 plant

Arecibo 4 plants

Barceloneta 1 plant

Caguas 1 plant

Canovanas 2 plants

Carolina 1 plant

Catano 1 plant

Culebra 1 plant

Fajardo 1 plant

Guayama 4 plants

Guaynabo 1 plant

Gurabo 1 plant

Humacao 1 plant

Isabela 1 plant

Juncos 1 plant

Mayaguez 1 plant

Naguabo 1 plant

Penuelas 1 plant

Ponce 2 plants

Rio Grande 1 plant

Salinas 2 plants

San Juan 2 plants

Santa Isabel 1 plant

Toa Baja 1 plant

Vega Baja 1 plant

County not reported 18 plants

Questions about power plants in Puerto Rico

How many power plants are in Puerto Rico?

EIA-860M for August 2026 lists 54 operating power projects in Puerto Rico, with 6,365 MW of nameplate capacity including batteries.

What is the largest power plant in Puerto Rico?

Aguirre Plant in Salinas, with 1,534 MW of nameplate capacity. The next largest is Costa Sur Plant, with 1,032 MW.

How much of Puerto Rico's capacity is natural gas?

1,449 MW, about 23% of nameplate capacity. 11 projects have natural gas as their primary fuel.

Source: EIA-860M August 2026, published 2026-09-24. Page updated 2026-10-04. Data sources