| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | Guabairo Cement Plant | Cement Plant | Cuba | 463,490 |
| 2 | Mariel Cement Plant | Cement Plant | Cuba | 330,718 |
| 3 | CUPET Cienfuegos Refinery | Refinery | Cuba | 279,134 |
| 4 | Santiago de Cuba Cement Plant | Cement Plant | Cuba | 218,531 |
| 5 | CUPET Hermanos Diaz Refinery | Refinery | Cuba | 94,476 |
| 6 | Taguasco Cement Plant | Cement Plant | Cuba | 90,866 |
| 7 | CUPET Nico Lopez Refinery | Refinery | Cuba | 85,888 |
Method: ranked from open data — capacity and CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; company-level data only.
