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IRPC Public Refinery and Petrochemical, Cherng Nern

Petrochemical in Thailand. Approximate location 12.65422, 101.30463.

PetrochemicalThailandCO₂ estimate (modelled)

IRPC Public Refinery and Petrochemical, Cherng Nern is a petrochemical in Thailand. Its listed capacity is 433,000 t of ethylene. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes. It is operated by IRPC PCL. By capacity it ranks #3 among 3 petrochemical plants in Thailand. It emits about 888,043 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 207k passenger cars. Its CO₂ per unit of capacity is 57% above the national median for this sector.

433,000t of ethylene
888,043t CO₂e / yr (Climate TRACE)
#20CO₂ rank in Thailand
2.05t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-731982.

Data status

Known source data

FacilityIRPC Public Refinery and Petrochemical, Cherng Nern Climate TRACE
CountryThailand Climate TRACE
Coordinates12.65422, 101.30463 Climate TRACE
Sector / subsectorpetrochemical-steam-cracking Climate TRACE
Reported capacity433,000 t of ethylene Climate TRACE
Owner / operatorIRPC PCL Climate TRACE
Modelled CO₂e888,043 t/yr Climate TRACE

Calculated from the dataset

Thailand rank#20 of 37 · top 54.1% calculated
Global petrochemical-steam-cracking rank#119 of 218 · top 54.6% calculated
Climate contextderived from coordinates calculated

Not available

Fuel typeNot available not in dataset
Thermal capacity (MW)Not available not in dataset

Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.

Similar facilities by modelled emissions

Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.

Operating power plants within 50 km

PowerAtlas operating assets, ordered by great-circle distance from published coordinates.

In context: how this facility compares

At 433,000 t of ethylene, IRPC Public Refinery and Petrochemical, Cherng Nern is below the median petrochemical in Thailand (900,000 t of ethylene). Subsector: petrochemical-steam-cracking. As petrochemical, it requires high process heat (typically 300–800°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 888,043 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

207kcars driven for a year
116khomes' annual energy use
15 milliontree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 888k t CO₂e/yr (Scope 1), IRPC Public Refinery and Petrochemical, Cherng Nern carries no domestic carbon price; petrochemicals are not a CBAM-covered good, so there is no border-carbon liability. At the EU ETS reference price (€75/t) the emissions carry an indicative carbon value of €66.9M/yr. The fastest decarbonization lever is energy efficiency: eliminating heat loss on hot equipment (removable insulation, steam & waste-heat recovery) typically cuts 2–5% of fuel-related CO₂ — here ≈18k t–44k t/yr, worth €1.3M€3.3M, with payback up to 2 years. No domestic carbon price — but cement, steel, aluminium, fertilizer and hydrogen exported to the EU face CBAM at €75/t (rising to 100% by 2034).

888k t CO₂e / yrScope 1 emissions
€66.9M/yrindicative carbon value (not a CBAM liability)
18k t–44k t/yr ≈ €1.3M€3.3MDecarbonization potential

Carbon price: EU CBAM €75/t · EU ETS €79/t, July 2, 2026, refreshed live via Carbon Hub. CO₂: Climate TRACE. Efficiency range: US DOE / ASTM C680 (method). Indicative carbon value, not the cash bill — free allocation applies; not compliance advice. Estimate the saving for this site →

Capacity vs largest petrochemical plants in Thailand

PTT Global Chemical Map Ta Phut, Map Ta Phut, Rayong: 2,876,000 t of ethylene2.9MPTT Global…SCGC Rayong Olefins (ROC), Map Ta Phut, Rayong: 900,000 t of ethylene900kSCGC Rayon…IRPC Public Refinery and Petrochemical, Cherng Nern: 433,000 t of ethylene433kIRPC Publi…

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

Operator

Operated by IRPC PCL.

Local climate

IRPC Public Refinery and Petrochemical, Cherng Nern sits in a tropical savanna climate zone (Köppen Aw), at 12.7°N in the northern hemisphere.

~26°Ctypical annual mean
~29°Ctypical warm-season
Tropical savanna: warm all year, with distinct wet and dry seasons

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

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in an extreme marine/tropical environment (estimated ISO 9223 class CX — Extreme), with marine salt corrosion the leading environmental stress.

CXISO 9223 corrosivity (indicative)
54/100environmental-severity index
3.4°Cseasonal temperature swing
11 kmdistance to coast
Very highCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1220 W/m² to ambient — roughly 0.94× the loss at a 20 °C reference; removable insulation recovers about 1159 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

The #3 largest of 3 petrochemical plants in Thailand by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 12.65422, 101.30463. View on OpenStreetMap.

Heat loss & insulation profile

For a petrochemical, the main modular-insulation targets are steam crackers, quench towers, fractionators, heat exchangers, steam lines, valves & flanges. Typical hot-surface ranges used for screening: 150–550 °C.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

External climate finance your country can access

For energy-efficiency projects around process heat, likely external funding channels include:

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.

Sources: country climate-finance facilities and public development-bank programmes.

Frequently asked questions

What type of facility is IRPC Public Refinery and Petrochemical, Cherng Nern?

IRPC Public Refinery and Petrochemical, Cherng Nern is a petrochemical in Thailand. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes.

What capacity is listed for IRPC Public Refinery and Petrochemical, Cherng Nern?

The open dataset lists 433,000 t of ethylene of capacity for IRPC Public Refinery and Petrochemical, Cherng Nern.

How much CO₂ does IRPC Public Refinery and Petrochemical, Cherng Nern emit?

The page uses about 888,043 t CO₂e/year from the open dataset It ranks #20 among facilities in Thailand by estimated CO₂.

Where is IRPC Public Refinery and Petrochemical, Cherng Nern located?

IRPC Public Refinery and Petrochemical, Cherng Nern is in Thailand at approximately 12.65422, 101.30463.

Who operates IRPC Public Refinery and Petrochemical, Cherng Nern?

The operator recorded in the open dataset is IRPC PCL.

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