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Industrial facilities in Malaysia

39 industrial facilities in Malaysia, across 7 sectors, mapped and ranked from open data by type, capacity and CO₂ emissions.

29,681facilities
7sectors
39with CO₂ estimate
43.0M tCO₂e/yr total

Industry mix (Malaysia)

Cement Plant: 12 facilities12Cement Pla…Steel Plant: 10 facilities10Steel PlantRefinery: 7 facilities7RefineryPetrochemical: 3 facilities3Petrochemi…Chemical Plant: 3 facilities3Chemical P…Aluminium Smelter: 2 facilities2Aluminium …Pulp & Paper Mill: 2 facilities2Pulp & Pap…

Facility counts by sector, Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

The state of Malaysia's industrial emissions

Across the 39 Malaysia industrial facilities with an estimated CO₂ figure (Climate TRACE), total emissions are about 43.0 Mt CO₂e/yr. The single largest emitter, Alliance Steel Kuantan plant (iron-and-steel), accounts for about 12% of that. The biggest sectoral share comes from iron-and-steel. Among facilities with a known operator, the top three — Saudi Arabian Oil Co, Alliance Steel (M) Sdn Bhd, Petroliam Nasional Bhd — account for roughly 36%. Most of these facilities sit in a tropical Köppen climate zone.

Largest emitters (Mt CO₂e/yr)

Alliance Steel Kuantan plant: 5 Mt CO2e/yr5Alliance S…Eastern Steel Kemaman plant: 4 Mt CO2e/yr4Eastern St…Pengerang Refinery and Petrochemical Integrated Development (RAPID), Pengerang, Johor: 3 Mt CO2e/yr3Pengerang …Pengerang Refining and Petrochemical (PRefChem): 3 Mt CO2e/yr3Pengerang …Malaysia Steel Works Klang: 2 Mt CO2e/yr2Malaysia S…Petronas Chemicals Ethylene, Sdn. Bhd. Kertih: 2 Mt CO2e/yr2Petronas C…Samalaju aluminium plant: 2 Mt CO2e/yr2Samalaju a…Lotte Chemical Titan, Sdn. Bhd. Pasir Gudang, Johor: 2 Mt CO2e/yr2Lotte Chem…Malaysian Refining Company Melaka II Refinery: 1 Mt CO2e/yr1Malaysian …Malayan Cement Langkawi Cement Plant: 1 Mt CO2e/yr1Malayan Ce…

Emissions by sector (Mt CO₂e/yr)

iron-and-steel: 16 Mt CO2e/yr16iron-and-s…cement: 9 Mt CO2e/yr9cementoil-and-gas-refining: 7 Mt CO2e/yr7oil-and-ga…petrochemical-steam-cracking: 6 Mt CO2e/yr6petrochemi…aluminum: 2 Mt CO2e/yr2aluminumchemicals: 2 Mt CO2e/yr2chemicals

Estimated CO₂e (modelled): Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0); climate: Köppen-Geiger (WorldClim). CC BY 4.0.

Cite this

Inzonex IndustryAtlas (2026). Industrial CO2 emissions — Malaysia. Derived from Climate TRACE v6 and Köppen-Geiger/WorldClim (CC BY 4.0). https://inzonex.co.uk/industryatlas/malaysia/

Download Malaysia dataset (CSV) Methodology & sources

Frequently asked questions

How many industrial facilities are in Malaysia?
39 across 7 sectors are tracked in Malaysia in this open dataset.
What is the biggest CO₂ emitter in Malaysia?
Alliance Steel Kuantan plant (Steel Plant) — about 5,127,624 tonnes CO₂e/year.
Which sectors are represented in Malaysia?
The largest sectors in this dataset are Cement Plant (12), Steel Plant (10), Refinery (7).
Where does the data come from?
Climate TRACE v6 — asset-level capacity and CO₂e emissions (CC BY 4.0).