emissionhub.cc / Largest emitters / Puerto Rico
Largest greenhouse-gas emitters in Puerto Rico
22 facilities in Puerto Rico reported 13,729,982 metric tons CO2e of direct emissions to the EPA for 2023, 0.6% of the national total for reporting direct emitters. Power Plants accounts for the most (82%). Largest first.
| # | Facility | City | Sector | t CO2e |
|---|---|---|---|---|
| 1 | AES - PUERTO RICO COGENERATION PLANT | Guayama | Power Plants | 3,170,977 |
| 2 | PR ELEC POWER AUTH SOUTH COAST STATION | Guayanilla | Power Plants | 2,121,881 |
| 3 | PREPA AGUIRRE POWER GENERATION COMPLEX | Aguirre | Power Plants | 1,901,295 |
| 4 | PREPA San Juan Steam Power Plant | San Juan | Power Plants | 1,837,315 |
| 5 | PREPA Palo Seco Steam Power Plant | Toa Baja | Power Plants | 1,485,975 |
| 6 | ECOELECTRICA LP | Penuelas | Petroleum and Natural Gas Systems | 1,431,256 |
| 7 | PREPA Cambalache Combustion Turbine Plant | Arecibo | Power Plants | 320,252 |
| 8 | PREPA Mayaguez Turbine Power Block | Mayaguez | Power Plants | 305,955 |
| 9 | El Coqui Landfill | Humacao | Waste | 249,572 |
| 10 | Arecibo Landfill | Arecibo | Waste | 127,781 |
| 11 | Salinas Landfill | Salinas | Waste | 111,658 |
| 12 | Carolina Landfill | Carolina | Waste | 100,904 |
| 13 | San Juan Landfill | San Juan | Waste | 98,939 |
| 14 | Fajardo Municipal Landfill | Fajardo | Waste | 79,029 |
| 15 | AMGEN MANUFACTURING, LIMITED | Juncos | Chemicals | 61,780 |
| 16 | ABBVIE LTD. | Barceloneta | Chemicals | 61,699 |
| 17 | PREPA Daguao Turbine Power Block | Ceiba | Power Plants | 58,261 |
| 18 | Guaynabo Landfill | Guaynabo | Waste | 49,395 |
| 19 | Ponce Landfill | Ponce | Waste | 48,277 |
| 20 | LILLY DEL CARIBE INC CAROLIN A | Carolina | Chemicals | 47,574 |
| 21 | PREPA Jobos Turbine Power Block | Guayama | Power Plants | 34,174 |
| 22 | Viatris Pharmaceuticals LLC | Vega Baja | Chemicals | 26,032 |
Source: EPA Greenhouse Gas Reporting Program, 2023 reporting year, sector-level emissions from data.epa.gov (fetched October 31, 2026). Direct emissions in metric tons CO2e as EPA totals them: emitter sectors only, biogenic CO2 reported separately. Covers facilities that report as direct emitters; most emit 25,000 t CO2e or more a year. Reference only.
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