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Natanz Steel Company Isfahan plant

Steel Plant in Iran. Approximate location 33.42864, 51.98265.

Steel PlantIranCO₂ estimate (modelled)

Natanz Steel Company Isfahan plant is a steel plant in Iran. Its listed capacity is 999,000 t of steel. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels. It is operated by Natanz Steel Co. By capacity it ranks #6 among 6 steel plants in Iran. It emits about 660,642 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 154k passenger cars. Its CO₂ per unit of capacity is 29% below the national median for this sector.

999,000t of steel
660,642t CO₂e / yr (Climate TRACE)
#59CO₂ rank in Iran
0.66t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1566877.

Data status

Known source data

FacilityNatanz Steel Company Isfahan plant Climate TRACE
CountryIran Climate TRACE
Coordinates33.42864, 51.98265 Climate TRACE
Sector / subsectoriron-and-steel Climate TRACE
Reported capacity999,000 t of steel Climate TRACE
Owner / operatorNatanz Steel Co Climate TRACE
GEM steel parentunknown Global Energy Monitor
Steel process routeintegrated DRI Global Energy Monitor
Steel asset statusoperating Global Energy Monitor
Steel equipmentDRI, EAF Global Energy Monitor
Steel capacity1,000 ktpa Global Energy Monitor
Modelled CO₂e660,642 t/yr Climate TRACE

Calculated from the dataset

Iran rank#59 of 126 · top 46.8% calculated
Global iron-and-steel rank#435 of 868 · top 50.1% 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.

In context: how this facility compares

At 999,000 t of steel, Natanz Steel Company Isfahan plant is below the median steel plant in Iran (3,600,000 t of steel). Subsector: iron-and-steel. As steel plant, it requires high process heat (typically 800–1500°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. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

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

What 660,642 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:

154kcars driven for a year
86khomes' annual energy use
11 milliontree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 661k t CO₂e/yr (Scope 1), Natanz Steel Company Isfahan plant carries no domestic carbon price — and as a CBAM-covered product, its 661k t at the EU CBAM rate (€75/t) is €49.8M/yr of exposure on EU-bound exports. CBAM share rises from 2.5% (2026) to 100% by 2034. 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 ≈13k t–33k t/yr, worth €996k€2.5M, 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).

661k t CO₂e / yrScope 1 emissions
€49.8M/yrCBAM exposure on EU exports
13k t–33k t/yr ≈ €996k€2.5MDecarbonization 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 steel plants in Iran

Mobarakeh Steel Complex Isfahan: 10,000,000 t of steel10.0MMobarakeh …Esfahan Steel Isfahan plant: 3,600,000 t of steel3.6MEsfahan St…Khouzestan Steel plant: 3,600,000 t of steel3.6MKhouzestan…Arvand Jahanara Steel Khouzestan plant: 2,700,000 t of steel2.7MArvand Jah…Kish South Kaveh Steel Hormuzgan plant: 2,400,000 t of steel2.4MKish South…Natanz Steel Company Isfahan plant: 999,000 t of steel999kNatanz Ste…

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

Operator

Operated by Natanz Steel Co.

Local climate

Natanz Steel Company Isfahan plant sits in a cold semi-arid steppe climate zone (Köppen BSk), at 33.4°N in the northern hemisphere.

~10°Ctypical annual mean
~23°Ctypical warm-season
Cold semi-arid steppe: hot summers and mild winters

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 a benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
42/100environmental-severity index
26.3°Cseasonal temperature swing
314 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1352 W/m² to ambient — roughly 1.04× the loss at a 20 °C reference; removable insulation recovers about 1284 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 #6 largest of 6 steel plants in Iran by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 33.42864, 51.98265. View on OpenStreetMap.

Heat loss & insulation profile

For a steel plant, the main modular-insulation targets are reheat & annealing furnaces, ladles, hot-blast stoves, steam & gas ducting. Typical hot-surface ranges used for screening: 200–1,200 °C.

Indicative recoverable energy

A first-pass insulation screen suggests about 4,000 MWh/year of recoverable heat-loss reduction and about 1,400 t CO₂e/year of avoided emissions. Screening estimate scaled from installed process-heat projects and surface-temperature reduction data.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

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:

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

Frequently asked questions

What type of facility is Natanz Steel Company Isfahan plant?

Natanz Steel Company Isfahan plant is a steel plant in Iran. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

What capacity is listed for Natanz Steel Company Isfahan plant?

The open dataset lists 999,000 t of steel of capacity for Natanz Steel Company Isfahan plant.

How much CO₂ does Natanz Steel Company Isfahan plant emit?

The page uses about 660,642 t CO₂e/year from the open dataset It ranks #59 among facilities in Iran by estimated CO₂.

Where is Natanz Steel Company Isfahan plant located?

Natanz Steel Company Isfahan plant is in Iran at approximately 33.42864, 51.98265.

Who operates Natanz Steel Company Isfahan plant?

The operator recorded in the open dataset is Natanz Steel Co.

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