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Martres Tolosane Cement Plant

Cement Plant in France. Approximate location 43.18523, 0.98973.

Cement PlantFranceCO₂ estimate (modelled)

Martres Tolosane Cement Plant is a cement plant in France. Its listed capacity is 2,100,000 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 Lafarge France. By capacity it ranks #2 among 11 cement plants in France. It emits about 373,640 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 87k passenger cars. Its CO₂ per unit of capacity is 51% below the national median for this sector.

2,100,000t of cement
373,640t CO₂e / yr (Climate TRACE)
#32CO₂ rank in France
0.18t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-32438447.

Data status

Known source data

FacilityMartres Tolosane Cement Plant Climate TRACE
CountryFrance Climate TRACE
Coordinates43.18523, 0.98973 Climate TRACE
Sector / subsectorcement Climate TRACE
Reported capacity2,100,000 t of cement Climate TRACE
Owner / operatorLafarge France Climate TRACE
Modelled CO₂e373,640 t/yr Climate TRACE

Calculated from the dataset

France rank#32 of 117 · top 27.4% calculated
Global cement rank#1468 of 2113 · top 69.5% 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

At 2,100,000 t of cement, Martres Tolosane Cement Plant is well above the median cement plant in France (700,000 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.

What 373,640 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:

87kcars driven for a year
49khomes' annual energy use
6.2 milliontree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 374k t CO₂e/yr (Scope 1), Martres Tolosane Cement Plant carries €29.7M/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–19k t/yr, worth €594k€1.5M, with payback up to 2 years.

374k t CO₂e / yrScope 1 emissions
€29.7M/yrcarbon value · full EU ETS price
7k t–19k t/yr ≈ €594k€1.5MDecarbonization 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 →

Capacity vs largest cement plants in France

Saint-Égrève Cement Plant: 2,900,000 t of cement2.9MSaint-Égrè…Martres Tolosane Cement Plant: 2,100,000 t of cement2.1MMartres To…Airvault Cement Plant: 2,080,000 t of cement2.1MAirvault C…Viviers le Teil Cement Plant: 940,000 t of cement940kViviers le…Heming Cement Plant: 900,000 t of cement900kHeming Cem…Beaucaire Cement Plant: 700,000 t of cement700kBeaucaire …La Malle Cement Plant: 700,000 t of cement700kLa Malle C…Bussac Cement Plant: 550,000 t of cement550kBussac Cem…

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

Operator

Operated by Lafarge France. All facilities by this operator →

Local climate

Martres Tolosane Cement Plant sits in a temperate oceanic climate zone (Köppen Cfb), at 43.2°N in the northern hemisphere.

~11°Ctypical annual mean
~18°Ctypical warm-season
Temperate oceanic: 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)
25/100environmental-severity index
15.4°Cseasonal temperature swing
191 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1404 W/m² to ambient — roughly 1.08× the loss at a 20 °C reference; removable insulation recovers about 1334 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 #2 largest of 11 cement plants in France by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 43.18523, 0.98973. View on OpenStreetMap.

Heat loss & insulation profile

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.

Indicative recoverable energy

A first-pass insulation screen suggests about 9,600 MWh/year of recoverable heat-loss reduction and about 3,300 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.

France: funding & obligation

Funding. Energy-savings certificate premiums for efficiency works; 6th period from 1 Jan 2026 (+35% obligation, 1050 TWhc/yr). official source · verified 2026

Obligation. Now CONSUMPTION-based: if avg annual final energy >2.75 GWh over 3 yrs, mandatory regulatory energy audit; first audit for newly-covered sites by 11 Oct 2026. (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.

Frequently asked questions

What type of facility is Martres Tolosane Cement Plant?

Martres Tolosane Cement Plant is a cement plant in France. 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.

What capacity is listed for Martres Tolosane Cement Plant?

The open dataset lists 2,100,000 t of cement of capacity for Martres Tolosane Cement Plant.

How much CO₂ does Martres Tolosane Cement Plant emit?

The page uses about 373,640 t CO₂e/year from the open dataset It ranks #32 among facilities in France by estimated CO₂.

Where is Martres Tolosane Cement Plant located?

Martres Tolosane Cement Plant is in France at approximately 43.18523, 0.98973.

Who operates Martres Tolosane Cement Plant?

The operator recorded in the open dataset is Lafarge France.

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