Millcon Steel Rayong plant

Millcon Steel Rayong plant is a steel plant in Thailand with a reported capacity of 800,000 t of steel. It produces crude steel from iron ore (blast furnace) or scrap (electric arc furnace). It is operated by Millcon Steel PCL. By capacity it ranks #6 of 11 steel plants tracked in Thailand. It emits about 30,312 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 7,066 cars. Its CO₂ per unit of capacity is about 93% below the median steel plant.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1567061.

في السياق: كيف يتم مقارنة هذا المنشأة

عند 800,000 t of steel، يكون Millcon Steel Rayong plant حوالي متوسط steel plant في Thailand (800,000 t of steel). القطاع الفرعي: iron-and-steel. كـ steel plant، يتطلب حرارة عملية مكثفة (عادة 800–1500°C) لعملياته الصناعية الأساسية — حرارة يجب توفيرها بواسطة الغلايات أو الأفران أو الاحتراق المباشر، والخسائر من خلال الحاويات والأنابيب غير المعزولة تمثل وقود مهدر. يمكن للعزل المعياري القابل للإزالة أن يقلل هذه الخسائر بمقدار 80-96٪، وتبريد الأسطح إلى ≤45°C، مع فترة استرجاع غالباً أقل من سنتين. تحرق مصانع الصلب الفحم في الأفران العالية أو تستخدم الأقواس الكهربائية لصهر الخردة؛ في كلا الحالتين يجب الاحتفاظ بالمعدن المذاب فوق 1,500°C ونقله عبر الأنابيب والحاويات الساخنة الواسعة.

مقارنة السعة وكثافة CO₂ محسوبة من بيانات منشآت Climate TRACE الصناعية؛ دور القطاع بناءً على مرجع الهندسة.

What 30,312 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest steel plants in Thailand

Reported capacity (t of steel), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Millcon Steel PCL. All facilities by this operator →

Local climate

Millcon Steel Rayong plant sits in a tropical savanna climate zone (Köppen Aw), at 12.8°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #6 largest of 11 steel plants in Thailand by reported capacity.

Nearby industrial sites

• SCGC Map Ta Phut Olefins (MOC), Map Ta Phut, Rayong · Petrochemical · 2,461,089 t CO₂
• TY Steel Rayong Steel Plant · Steel Plant · 22,734 t CO₂
• Nippon G Steel plant · Steel Plant · 165,474 t CO₂
• SCGC Rayong Olefins (ROC), Map Ta Phut, Rayong · Petrochemical · 1,845,816 t CO₂
• Hit Suphanburi · Textiles · 40 t CO₂
• Siam Yamato Steel Huai Pong plant · Steel Plant · 18,945 t CO₂

Location

Coordinates 12.81992, 101.15263. View on OpenStreetMap.

Heat loss & insulation profile

A steel plant like this runs hot equipment that sheds heat continuously: reheat & annealing furnaces, ladles, hot-blast stoves, steam & gas ducting (surface/process temperatures around 200–1,200 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 3,600 MWh/yr (≈ 1,200 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

External climate finance your country can access

Domestic energy-efficiency grants are limited here; industrial decarbonisation is mainly funded externally:

• Japan JCM (Joint Crediting Mechanism) — Japan co-finances diffusion of decarbonising tech incl. INDUSTRIAL ENERGY EFFICIENCY in partner countries, in exchange for carbon credits. Channels: MOEJ model projects, ADB trust funds, NEDO demonstrations.
• UK International Climate Finance (ICF / ODA) — ~GBP 6bn ODA over 3 yrs; industrial-decarbonisation flows via Climate Investment Funds (CIF) - Clean Technology Fund.
• Green Climate Fund (GCF) + ADB / World Bank / UNIDO — Concessional finance & grants for industrial energy efficiency. E.g. GCF $200M ADB-led India Green Finance Facility; World Bank FP071 'Scaling Up Energy Efficiency for Industrial Enterprises in Vietnam'; ASEAN ACGF energy-efficiency revolving funds incl. SMEs.

CBAM. Exporters of cement, steel, aluminium, fertiliser, hydrogen and electricity to the EU face the Carbon Border Adjustment Mechanism — cutting embedded emissions (efficiency + insulation) lowers the levy.

Routed via national development banks / accredited entities — not a direct factory grant. Verified 2026.

Frequently asked questions