| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | Atocongo Cement Plant | Cement Plant | Peru | 1,823,284 |
| 2 | Yura Cement Plant | Cement Plant | Peru | 1,163,130 |
| 3 | Pacasamayo Cement Plant | Cement Plant | Peru | 1,079,719 |
| 4 | Condorocha Cement Plant | Cement Plant | Peru | 746,867 |
| 5 | Petroperu Talara Refinery | Refinery | Peru | 672,643 |
| 6 | Repsol la Pampilla Refinery | Refinery | Peru | 622,168 |
| 7 | Piura Cement Plant | Cement Plant | Peru | 527,792 |
| 8 | Rioja Cement Plant | Cement Plant | Peru | 143,940 |
| 9 | Cajamarquilla Cement Plant | Cement Plant | Peru | 98,606 |
| 10 | Aceros Arequipa Pisco steel plant | Steel Plant | Peru | 84,193 |
| 11 | Petroperu Conchan Refinery | Refinery | Peru | 67,926 |
| 12 | Petroperu Iquitos Loreto Refinery | Refinery | Peru | 52,588 |
| 13 | Gerdau Siderperu Chimbote steel plant | Steel Plant | Peru | 45,306 |
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.
