Table › Companies
RANKED BY 2024 MEASURED EMISSIONS
Top 100 polluting companies
The world's biggest polluting companies, ranked by measured 2024 emissions.
Every entry below is built from asset-level Climate TRACE measurements, named power plants, mines, fields and factories attributed to the operator, not self-reported disclosures. NTPC Ltd tops the table at 327 Mt = megatonne: one million tonnes of CO₂-equivalent CO₂e a year. Tap any row for the evidence, trend and score breakdown, or read how the ranking works.
1NTPC Ltd= 71.1M cars/yr327 Mt CO₂e2Eskom Holdings SOC Ltd= 45.6M cars/yr210 Mt CO₂e3Saudi Electricity Co= 40.4M cars/yr186 Mt CO₂e4National Iranian Oil Co= 25.2M cars/yr116 Mt CO₂e5JERA Co Inc= 27.1M cars/yr125 Mt CO₂e6Saudi Arabian Oil Co= 26M cars/yr119 Mt CO₂e7Ministry of Electricity (Iraq)= 18.4M cars/yr84.4 Mt CO₂e8Adani Power Ltd= 16.1M cars/yr74.2 Mt CO₂e9Taiwan Power Co= 20M cars/yr92.1 Mt CO₂e10Kuwait Oil Company Ltd= 19.2M cars/yr88.1 Mt CO₂e11POSCO Holdings Inc= 15.8M cars/yr72.7 Mt CO₂e12OGK-2 PJSC= 14.4M cars/yr66.1 Mt CO₂e13Comisión Federal de Electricidad EPE= 12.7M cars/yr58.4 Mt CO₂e14Kuzbassenergo JSC= 11.7M cars/yr53.6 Mt CO₂e15Nippon Steel Corp= 14M cars/yr64.4 Mt CO₂e16Inter RAO – Electric Power Generation JSC= 13.7M cars/yr63.2 Mt CO₂e17Ministry of Electricity and Water and Renewable Energy (Kuwait)= 11.8M cars/yr54.2 Mt CO₂e18Angang Steel Co Ltd= 11M cars/yr50.7 Mt CO₂e19Jindal Steel Ltd= 8.8M cars/yr40.5 Mt CO₂e20Eni SpA= 10.6M cars/yr48.8 Mt CO₂e21PetroChina Co Ltd= 10.6M cars/yr48.5 Mt CO₂e22Repsol SA= 10.7M cars/yr49.2 Mt CO₂e23Maharashtra State Power Generation Co Ltd= 9.3M cars/yr42.8 Mt CO₂e24Unipro PJSC= 9.3M cars/yr42.7 Mt CO₂e25Petróleos de Venezuela SA= 8.8M cars/yr40.3 Mt CO₂e26Andhra Pradesh Power Development Co Ltd= 6.9M cars/yr31.8 Mt CO₂e27Vietnam Electricity LLC= 5.9M cars/yr27.1 Mt CO₂e28Reliance Power Ltd= 8.1M cars/yr37.4 Mt CO₂e29China National Petroleum Corp= 10.2M cars/yr47.1 Mt CO₂e30U.P. Rajya Vidyut Utpadan Nigam Ltd= 6.5M cars/yr29.7 Mt CO₂e31Shaanxi Qingshuichuan Energy Co Ltd= 4.5M cars/yr20.7 Mt CO₂e32Tata Power Company Ltd= 4.6M cars/yr21.2 Mt CO₂e33JSW Steel Ltd= 7.8M cars/yr35.8 Mt CO₂e34Damodar Valley Corp= 7.4M cars/yr34.2 Mt CO₂e35Electricity Generating Authority of Thailand= 7.7M cars/yr35.2 Mt CO₂e36Maanshan Iron & Steel Co Ltd= 6.4M cars/yr29.2 Mt CO₂e37Korea Southern Power Co Ltd= 7.9M cars/yr36.2 Mt CO₂e38Electric Power Development Co Ltd= 8.2M cars/yr37.6 Mt CO₂e39Korea Western Power Co Ltd= 8M cars/yr37 Mt CO₂e40Turkmenenergo= 7.2M cars/yr32.9 Mt CO₂e41The West Bengal Power Development Corporation Ltd= 5.6M cars/yr25.7 Mt CO₂e42JFE Steel Corp= 7.8M cars/yr35.8 Mt CO₂e43PT PLN (Persero)= 7M cars/yr32 Mt CO₂e44Occidental Petroleum Corp= 7.3M cars/yr33.5 Mt CO₂e45Petróleos Mexicanos EPE= 5.3M cars/yr24.6 Mt CO₂e46Rajasthan Rajya Vidyut Utpadan Nigam Ltd= 6.2M cars/yr28.3 Mt CO₂e47Sonatrach SpA= 7.6M cars/yr34.8 Mt CO₂e48Mosenergo PJSC= 6.9M cars/yr31.8 Mt CO₂e49Formosa Petrochemical Corp= 6.8M cars/yr31.1 Mt CO₂e50Saline Water Conversion Corp= 6.1M cars/yr28.2 Mt CO₂e51Société Algérienne de Production de l'Electricité SpA= 6.1M cars/yr28.1 Mt CO₂e52Malakoff Corporation Bhd= 6M cars/yr27.4 Mt CO₂e53PGE Górnictwo i Energetyka Konwencjonalna SA= 7.9M cars/yr36.1 Mt CO₂e54CNOOC Ltd= 7.3M cars/yr33.4 Mt CO₂e55Korea East-West Power Co Ltd= 7.1M cars/yr32.6 Mt CO₂e56Hunan Valin Lianyuan Iron and Steel Co Ltd= 6M cars/yr27.4 Mt CO₂e57Alabama Power Co= 5.4M cars/yr24.8 Mt CO₂e58TNB Janamanjung Sdn Bhd= 5.7M cars/yr26.3 Mt CO₂e59Abu Dhabi National Oil Co= 6.1M cars/yr28.1 Mt CO₂e60Upper Egypt Electricity Production Co= 5.4M cars/yr25 Mt CO₂e61BP PLC= 6M cars/yr27.7 Mt CO₂e62Inner Mongolia BaoTou Steel Union Co Ltd= 6.1M cars/yr28.2 Mt CO₂e63Basra Energy Co= 6M cars/yr27.5 Mt CO₂e64PetroChina Changqing Oilfield Branch Co= 5.5M cars/yr25.3 Mt CO₂e65Tamil Nadu Power Distribution Corp Ltd= 5.2M cars/yr24.1 Mt CO₂e66Korea Midland Power Co Ltd= 6.6M cars/yr30.3 Mt CO₂e67Korea South-East Power Co Ltd= 6.4M cars/yr29.5 Mt CO₂e68Tohoku Electric Power Co Inc= 6.3M cars/yr29 Mt CO₂e69Georgia-Pacific LLC= 5.6M cars/yr25.7 Mt CO₂e70Baoshan Iron & Steel Co Ltd= 5.3M cars/yr24.4 Mt CO₂e71Zhangjiagang Hongchang Steel Co Ltd= 5.3M cars/yr24.2 Mt CO₂e72Cosmo Abu Dhabi Energy Exploration & Production= 5.6M cars/yr25.8 Mt CO₂e73PT Pertamina (Persero) PT= 6.2M cars/yr28.5 Mt CO₂e74Wuhan Iron and Steel Co Ltd= 5.5M cars/yr25.1 Mt CO₂e75General Electricity Company of Libya= 5M cars/yr23.1 Mt CO₂e76Chhattisgarh State Power Generation Co Ltd= 3.2M cars/yr14.7 Mt CO₂e77Zhejiang Zheneng Jiahua Power Generator Co Ltd= 4.9M cars/yr22.6 Mt CO₂e78CHN ENERGY Yuedian Taishan POWER Generationg Co Ltd= 4.9M cars/yr22.4 Mt CO₂e79Madhya Pradesh Power Generating Co Ltd= 4.7M cars/yr21.6 Mt CO₂e80Cairo Electricity Production Co= 4.4M cars/yr20.2 Mt CO₂e81LUKOIL PJSC= 6.9M cars/yr31.9 Mt CO₂e82Novolipetsk Steel PJSC= 5.1M cars/yr23.3 Mt CO₂e83Bengang Steel Plates Co Ltd= 4.8M cars/yr21.9 Mt CO₂e84Baosteel Zhanjiang Iron & Steel Co Ltd= 4.6M cars/yr20.9 Mt CO₂e85Dexin Steel Pte Ltd= 2.6M cars/yr11.7 Mt CO₂e86RWE Power AG= 7.7M cars/yr35.2 Mt CO₂e87EL5-Energo PJSC= 4.8M cars/yr21.9 Mt CO₂e88Rizhao Steel Holding Group Co Ltd= 4.4M cars/yr20.3 Mt CO₂e89Baikal Energy Company LLC= 3.2M cars/yr14.6 Mt CO₂e90Kuwait Integrated Petroleum Industries Co= 1.8M cars/yr8.3 Mt CO₂e91Lausitz Energie Kraftwerke AG= 6.6M cars/yr30.2 Mt CO₂e92Jaiprakash Power Ventures Ltd= 4.5M cars/yr20.6 Mt CO₂e93East Delta Electricity Production Co= 4.5M cars/yr20.5 Mt CO₂e94Ecopetrol SA= 4.4M cars/yr20.2 Mt CO₂e95Middle Delta Electricity Production Co= 3.7M cars/yr17.1 Mt CO₂e96YPF SA= 3.6M cars/yr16.7 Mt CO₂e97Emirates Global Aluminium PJSC= 4.5M cars/yr20.6 Mt CO₂e98Guangdong Huaxia Power Development Co Ltd= 4.4M cars/yr20.5 Mt CO₂e99Anhui Huainan Pingwei Power Generation Co Ltd= 4.4M cars/yr20.1 Mt CO₂e100Georgia Power Co= 4.3M cars/yr20 Mt CO₂e
Reference year 2024 · data from Climate TRACE (CC BY 4.0). See countries ranked the same way, the methodology, or the interactive league table.