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ArcelorMittal Hunedoara steel plant

Steel Plant in Romania. Approximate location 45.73518, 22.91627.

Steel PlantRomaniaCO₂ estimate (modelled)

ArcelorMittal Hunedoara steel plant is a steel plant in Romania. 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 ArcelorMittal Hunedoara SA. It emits about 41,259 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 9.6k passenger cars.

800kt steel/yr (Global Energy Monitor)
41,259t CO₂e / yr (Climate TRACE)
#22CO₂ rank in Romania

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1567192.

Data status

Known source data

FacilityArcelorMittal Hunedoara steel plant Climate TRACE
CountryRomania Climate TRACE
Coordinates45.73518, 22.91627 Climate TRACE
Sector / subsectoriron-and-steel Climate TRACE
Owner / operatorArcelorMittal Hunedoara SA Climate TRACE
GEM steel parentArcelorMittal SA [96.4%]; other [3.6%] Global Energy Monitor
Steel process routeelectric Global Energy Monitor
Steel asset statusoperating Global Energy Monitor
Steel equipmentEAF Global Energy Monitor
Steel capacity800 ktpa Global Energy Monitor
Modelled CO₂e41,259 t/yr Climate TRACE

Calculated from the dataset

Romania rank#22 of 26 · top 84.6% calculated
Global iron-and-steel rank#794 of 868 · top 91.5% 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

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 41,259 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:

9.6kcars driven for a year
5.4khomes' annual energy use
688ktree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 41k t CO₂e/yr (Scope 1), ArcelorMittal Hunedoara steel plant carries €3.3M/yr of carbon at the full EU ETS price (€79/t CO₂). Free allocation phases out to 2034 (Reg. (EU) 2023/956), so today's bill is lower and rising toward this full-price figure. 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 ≈825 t–2k t/yr, worth €66k€164k, with payback up to 2 years.

41k t CO₂e / yrScope 1 emissions
€3.3M/yrcarbon value · full EU ETS price
825 t–2k t/yr ≈ €66k€164kDecarbonization potential

Carbon price: EU ETS €79/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 →

Operator

Operated by ArcelorMittal Hunedoara SA.

Local climate

ArcelorMittal Hunedoara steel plant sits in a warm-summer humid continental climate zone (Köppen Dfb), at 45.7°N in the northern hemisphere.

~6°Ctypical annual mean
~19°Ctypical warm-season
Warm-summer humid continental: four distinct seasons — cold winters and warm summers

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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
27/100environmental-severity index
22.0°Cseasonal temperature swing
511 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1400 W/m² to ambient — roughly 1.08× the loss at a 20 °C reference; removable insulation recovers about 1330 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

Nearby industrial sites

Location

Coordinates 45.73518, 22.91627. 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 3,600 MWh/year of recoverable heat-loss reduction and about 1,200 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.

EU policy pressure on this sector

Obligation

This facility is inside the EU. For thermal equipment, insulation upgrades can support ETS exposure reduction and energy-efficiency compliance.

Sources: EU ETS, CBAM and national energy-efficiency schemes.

Frequently asked questions

What type of facility is ArcelorMittal Hunedoara steel plant?

ArcelorMittal Hunedoara steel plant is a steel plant in Romania. 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.

How much CO₂ does ArcelorMittal Hunedoara steel plant emit?

The page uses about 41,259 t CO₂e/year from the open dataset It ranks #22 among facilities in Romania by estimated CO₂.

Where is ArcelorMittal Hunedoara steel plant located?

ArcelorMittal Hunedoara steel plant is in Romania at approximately 45.73518, 22.91627.

Who operates ArcelorMittal Hunedoara steel plant?

The operator recorded in the open dataset is ArcelorMittal Hunedoara SA.

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