Cement Plant in Austria. Approximate location 46.73753, 15.57336.
Cement PlantAustriaCO₂ estimate (modelled)
Retznei Cement Plant is a cement plant in Austria. Its listed capacity is 625,000 t of cement. Cement plants heat limestone to 1,400°C in rotary kilns — one of the hottest industrial processes — and must control temperature precisely across the entire kiln length. It is operated by Holcim (Österreich) GmbH. It emits about 348,955 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 81k passenger cars. Its CO₂ per unit of capacity is 54% above the national median for this sector.
Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-32437242.
Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.
Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.
PowerAtlas operating assets, ordered by great-circle distance from published coordinates.
At 625,000 t of cement, Retznei Cement Plant is around the median cement plant in Austria (625,000 t of cement). Subsector: cement. As cement plant, it requires high process heat (typically 800–1400°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. Cement plants heat limestone to 1,400°C in rotary kilns — one of the hottest industrial processes — and must control temperature precisely across the entire kiln length.
Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.
This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:
Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.
At its reported 349k t CO₂e/yr (Scope 1), Retznei Cement Plant carries €27.7M/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 ≈7k t–17k t/yr, worth €555k–€1.4M, with payback up to 2 years.
Measured CO₂: 263k t/yr — verified EUTL (reporting year 2023) (25% below the modelled estimate). Modelled estimate 349k t/yr (Climate TRACE), high-confidence match, cross-checked via the measured-vs-modelled dataset (n=711).
Carbon price: EU ETS €79/t · EU ETS €79/t, July 2, 2026, refreshed live via Carbon Hub. CO₂: measured (EUTL RY2023), cross-checked vs 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 →
Operated by Holcim (Österreich) GmbH. All facilities by this operator →
Retznei Cement Plant sits in a temperate oceanic climate zone (Köppen Cfb), at 46.7°N in the northern hemisphere.
Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
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.
In this site’s local climate, a bare 150 °C surface sheds about 1406 W/m² to ambient — roughly 1.08× the loss at a 20 °C reference; removable insulation recovers about 1336 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.
Coordinates 46.73753, 15.57336. View on OpenStreetMap.
For a cement plant, the main modular-insulation targets are rotary kiln shell, preheater tower, tertiary air duct & kiln hood, clinker-cooler ducts, valves. Typical hot-surface ranges used for screening: 200–1,000 °C.
60% of cement CO2 is process calcination - NOT insulation-addressable; energy here is the fuel side only.
A first-pass insulation screen suggests about 9,400 MWh/year of recoverable heat-loss reduction and about 3,200 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.
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.
Funding. Federal environmental support for energy-efficiency & process measures in industry (rates vary by measure). official source · verified 2026
Status: Confirm current call/rates per measure.
Obligation. Large companies (>249 employees OR >EUR 50M turnover OR >EUR 43M balance) must run an energy audit (EN 16247-1) every 4 years OR a certified EnMS (ISO 50001). (applies as a rule above the stated threshold — we do not hold this site's metered energy use). official source · verified 2026
Programme terms verified 2026-06-18; confirm the current open phase before applying. Eligibility depends on a site's energy use / headcount, which we do not hold — not a per-facility eligibility determination.
Retznei Cement Plant is a cement plant in Austria. Cement plants heat limestone to 1,400°C in rotary kilns — one of the hottest industrial processes — and must control temperature precisely across the entire kiln length.
The open dataset lists 625,000 t of cement of capacity for Retznei Cement Plant.
The page uses about 348,955 t CO₂e/year from the open dataset It ranks #7 among facilities in Austria by estimated CO₂.
Retznei Cement Plant is in Austria at approximately 46.73753, 15.57336.
The operator recorded in the open dataset is Holcim (Österreich) GmbH.
