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| Plant | Primary fuel | MW | County | Operator |
|---|---|---|---|---|
| Aguirre Plant | Oil | 1,534 | Salinas | Puerto Rico Electric Pwr Authority |
| Costa Sur Plant | Natural gas and oil | 1,032 | – | Puerto Rico Electric Pwr Authority |
| Central San Juan Plant | Oil | 840 | – | Puerto Rico Electric Pwr Authority |
| Palo Seco Plant | Oil | 728 | – | Puerto Rico Electric Pwr Authority |
| EcoElectrica | Natural gas | 580 | Penuelas | EcoElectrica LP |
| AES Puerto Rico | Coal | 510 | Guayama | AES Puerto Rico LP |
| Cambalache Plant | Oil | 248 | Arecibo | Puerto Rico Electric Pwr Authority |
| Mayaguez Plant | Oil | 220 | – | Puerto Rico Electric Pwr Authority |
| Pattern Santa Isabel LLC | Wind | 101 | Santa Isabel | Pattern Operators LP |
| Oriana Energy Hybrid | Solar and battery storage | 67 | Isabela | Oriana 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
- Hewlett Packard Puerto Rico Natural gas · 6 MW
Aibonito 1 plant
- Baxter Healthcare Aibonito CHP Plant Natural gas · 6.2 MW
Arecibo 4 plants
- Cambalache Plant Oil · 247.5 MW
- Dos Bocas Hydro · 15 MW
- Eaton Corp - Arecibo - Puerto Rico Hybri Solar · 6.2 MW
- Arecibo Filtration Plant Solar · 1 MW
Barceloneta 1 plant
- AbbVie LTD Natural gas · 20.9 MW
Caguas 1 plant
- Neolpharma CHP LLC Natural gas · 2.2 MW
Canovanas 2 plants
- San Fermin Solar Farm Hybrid Solar · 27.6 MW
- Canovanas Filtration Plant Solar · 1 MW
Carolina 1 plant
- Lilly del Caribe PR01 Natural gas · 11.4 MW
Catano 1 plant
- Bacardi Catano Plant Oil · 3 MW
Culebra 1 plant
- Culebra Oil · 2.1 MW
Fajardo 1 plant
- Fajardo MSWL Landfill gas · 2.4 MW
Guayama 4 plants
- AES Puerto Rico Coal · 510 MW
- AES ILUMINA Solar · 20 MW
- Pfizer Guayama Solar · 7.6 MW
- PF Consumer Healthcare BV PR Operations Oil · 2.1 MW
Guaynabo 1 plant
- Fort Buchanan Distributed Generation Solar · 6.4 MW
Gurabo 1 plant
- Janssen Ortho LLC Solar · 2.2 MW
Humacao 1 plant
- Humacao Solar Project, LLC Solar · 20 MW
Isabela 1 plant
- Oriana Energy Hybrid Solar · 66.8 MW
Juncos 1 plant
- Medtronic Solar Solar · 4 MW
Mayaguez 1 plant
- Cervecera de Puerto Rico Oil · 1.8 MW
Naguabo 1 plant
- Punta Lima Wind Farm Wind · 26 MW
Penuelas 1 plant
- EcoElectrica Natural gas · 580 MW
Ponce 2 plants
- Coto Laurel Solar Farm Solar · 10 MW
- Martino Solar · 3.6 MW
Rio Grande 1 plant
- El Yunque Filtration Plant Solar · 2 MW
Salinas 2 plants
- Aguirre Plant Oil · 1,534 MW
- Horizon Energy (PR) Hybrid Solar · 15.1 MW
San Juan 2 plants
- GASNA 18P, LLC Solar · 5 MW
- Baxter Jayuya Natural gas · 4.8 MW
Santa Isabel 1 plant
- Pattern Santa Isabel LLC Wind · 101.2 MW
Toa Baja 1 plant
- Toa Baja MSWL Landfill gas · 2.4 MW
Vega Baja 1 plant
- Pfizer Vega Baja Solar · 3.1 MW
County not reported 18 plants
- Costa Sur Plant Natural gas · 1,032 MW
- Central San Juan Plant Oil · 840 MW
- Palo Seco Plant Oil · 728 MW
- Mayaguez Plant Oil · 220 MW
- Jobos Oil · 42 MW
- Daguao Oil · 42 MW
- Vega Baja Oil · 42 MW
- Yabucoa Oil · 42 MW
- Yauco Hydro · 34 MW
- Caonillas Hydro · 22 MW
- Garzas Hydro · 12.2 MW
- Toro Negro Hydro · 7.1 MW
- Vieques Oil · 6.6 MW
- Rio Blanco Hydro · 5 MW
- iPR Pharmaceuticals Inc. Natural gas · 3.2 MW
- AMO Puerto Rico Manufacturing Inc. Natural gas · 2.6 MW
- CoGen Stryker Puerto Rico Natural gas · 2 MW
- Patillas Hydro · 1.4 MW
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