| # | Facility | t of ethylene | t CO₂e/yr |
|---|---|---|---|
| 1 | Reliance Industries Ltd. , Jamnagar,Gujarat | 1,600,000 | 2,115,975 |
| 2 | HPCL-Mittal Energy, Phullo Khari,Punjab | 1,200,000 | 1,586,981 |
| 3 | ONGC Petro Additions Limited (OPaL), Dahej, Gujarat | 1,100,000 | 1,909,265 |
| 4 | GAIL Pata Petrochemicals, Pata, Uttar Pradesh | 950,000 | 1,247,573 |
| 5 | IOCL Panipat Petrochemicals, Haryana, New Delhi | 857,000 | 1,133,369 |
| 6 | Reliance Industries Hazira, Hazira, Gujarat | 800,000 | 1,040,650 |
| 7 | Haldia Petrochemicals, Haldia, West Bengal | 700,000 | 1,510,709 |
| 8 | Reliance Industries Nagothane, Nagothane, Maharashtra | 500,000 | 650,406 |
| 9 | Reliance Industries Dahej, Gandhar, Gujarat | 420,000 | 546,341 |
| 10 | Brahmaputra Cracker and Polymer Limited (BCPL) Assam Gas Cracker Project, Lepetkattaa Bangla Block, Assam | 200,000 | 347,139 |
| 11 | Reliance Industries Vadodara, Baroda, Gujarat | 180,000 | 388,468 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).