Facility counts by sector, Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
Across the 3 Brunei Darussalam industrial facilities with an estimated CO₂ figure (Climate TRACE), total emissions are about 2.7 Mt CO₂e/yr. The single largest emitter, Hengyi Pulau Muara Besar Refinery (oil-and-gas-refining), accounts for about 88% of that. The biggest sectoral share comes from oil-and-gas-refining. Among facilities with a known operator, the top three — Zhejiang Hengli Group, ITOCHU Corp, Shell PLC — account for roughly 100%. Most of these facilities sit in a tropical Köppen climate zone.
Estimated CO₂e (modelled): Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0); climate: Köppen-Geiger (WorldClim). CC BY 4.0.
| # | Facility | Type | t CO₂e/yr |
|---|---|---|---|
| 1 | Hengyi Pulau Muara Besar Refinery | Refinery | 2,360,689 |
| 2 | Brunei Methanol Company | Chemical Plant | 283,688 |
| 3 | BSP Brunei Refinery | Refinery | 40,063 |
Inzonex IndustryAtlas (2026). Industrial CO2 emissions — Brunei Darussalam. Derived from Climate TRACE v6 and Köppen-Geiger/WorldClim (CC BY 4.0). https://inzonex.co.uk/industryatlas/brunei-darussalam/
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