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Ranking · facilities

Chemicals & petrochemicals: the 20 largest CO2 emitters worldwide

The 20 largest chemical-industry CO2 emitters worldwide. Not yet in CBAM — named in the pre-2030 extension review.

#FacilityCountryt CO2/yr (est. 2023)Value at €75.36/t
1Golmud (Qarhan) Chemical ComplexChina19,583,307€1,475.8M
2CHN-Yinchuan_methanolChina15,325,877€1,155.0M
3CHN-Cangzhou_ammoniaChina9,996,103€753.3M
4CHN-Ordos_ammoniaChina9,536,431€718.7M
5CHN-Xilin Gol_methanolChina9,257,492€697.6M
6CHN-Yulin_methanolChina8,883,334€669.4M
7Ordos City (Uxin Banner) Polyolefins - Methanol FacilityChina8,544,000€643.9M
8ChinaChina8,163,612€615.2M
9Fuyang (Linquan) Chemical ComplexChina7,825,249€589.7M
10CHN-Dezhou_ammoniaChina7,799,291€587.8M
11Ascend Performance Materials LLCUnited States7,210,312€543.4M
12CHN-Zaozhuang_ammoniaChina6,997,942€527.4M
13Zhejiang Petroleum & Chemical, Zhejiang, ZhoushanChina6,803,536€512.7M
14Fuquan (Machangping) Coal ChemicalsChina6,119,777€461.2M
15Hazira Fertilizer ComplexIndia5,805,563€437.5M
16Donaldsonville Nitrogen ComplexUnited States5,663,868€426.8M
17Khairpur (Daharki) Fertilizer ComplexPakistan5,402,182€407.1M
18CHN-Baotou_methanolChina5,372,706€404.9M
19CHN-Yuncheng_ammoniaChina5,124,966€386.2M
20United StatesUnited States5,100,000€384.3M

Source: Climate TRACE satellite estimates (2023) via our IndustryAtlas (30,000+ facilities) — indicative, not verified declarations; corrections welcome. Indicative value = est. emissions × CBAM certificate €75.36 (Q1 2026 official); actual CBAM applies only to EU-bound export share.

How this page is built: heat-loss figures follow ASTM C680 / ISO 12241 (the method behind our public calculators); facility emissions from Climate TRACE & EU ETS verified data across 30,000+ industrial sites; the 2026–2034 schedule is Regulation (EU) 2023/956, not a forecast. Published by Inzonex — manufacturer of modular removable insulation (UK Patent GB2508992.1). Spotted an error? Tell us — we correct on evidence.
Inzonex removable modular insulation on industrial equipment
Cut the tonnes at the source

Hot industrial equipment? Cut the heat loss.

Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets:

  • Up to 90% less heat loss from insulated surfaces
  • Surface temperature ≤45 °C — touch-safe for workers (EN ISO 13732-1)
  • 6× faster maintenance access than fixed cut-and-weld lagging — unclips and refits in minutes, no destruction
  • Inspectable — comes off to check for corrosion under insulation, then refits like-new (generic jackets often don't survive removal)
  • Typical payback under 2 years (some 9–11 months)
Source: Inzonex Carbon Hub — inzonex.co.uk/carbon · prices dated as shown on each figure · schedule per Regulation (EU) 2023/956 · indicative analytics, not compliance advice.