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Aberthaw Cement Plant

Cement Plant in United Kingdom. Approximate location 51.39707, -3.39154.

Cement PlantUnited KingdomCO₂ estimate (modelled)

Aberthaw Cement Plant is a cement plant in United Kingdom. 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 Tarmac Holdings Ltd. It emits about 239,632 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 56k passenger cars.

239,632t CO₂e / yr (Climate TRACE)
#20CO₂ rank in United Kingdom

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-32438458.

Data status

Known source data

FacilityAberthaw Cement Plant Climate TRACE
CountryUnited Kingdom Climate TRACE
Coordinates51.39707, -3.39154 Climate TRACE
Sector / subsectorcement Climate TRACE
Owner / operatorTarmac Holdings Ltd Climate TRACE
Modelled CO₂e239,632 t/yr Climate TRACE

Calculated from the dataset

United Kingdom rank#20 of 44 · top 45.5% calculated
Global cement rank#1768 of 2113 · top 83.7% 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: 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 239,632 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:

56kcars driven for a year
31khomes' annual energy use
4.0 milliontree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 240k t CO₂e/yr (Scope 1), Aberthaw Cement Plant carries €15.6M/yr of carbon at the full UK ETS price (€65/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 ≈5k t–12k t/yr, worth €312k€779k, with payback up to 2 years.

240k t CO₂e / yrScope 1 emissions
€15.6M/yrcarbon value · full UK ETS price
5k t–12k t/yr ≈ €312k€779kDecarbonization potential

Carbon price: UK ETS €65/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 Tarmac Holdings Ltd. All facilities by this operator →

Local climate

Aberthaw Cement Plant sits in a temperate oceanic climate zone (Köppen Cfb), at 51.4°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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
26/100environmental-severity index
11.3°Cseasonal temperature swing
61 kmdistance to coast
ModerateCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1398 W/m² to ambient — roughly 1.07× the loss at a 20 °C reference; removable insulation recovers about 1328 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 51.39707, -3.39154. 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 8,500 MWh/year of recoverable heat-loss reduction and about 2,900 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.

United Kingdom: funding & obligation

Funding. Grants for industrial energy efficiency / deep decarbonization in England, Wales, NI; min grant lowered to GBP 75k for SMEs. official source · verified 2026
Status: Phase 3 closed spring 2024 — verify current open phase before 'apply now'.

Obligation. Mandatory for 'large undertakings': >=250 employees OR turnover >GBP 36M and balance sheet >GBP 18M. Qualification date 31 Dec 2026; compliance notification by 5 Dec 2027. (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 Aberthaw Cement Plant?

Aberthaw Cement Plant is a cement plant in United Kingdom. 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.

How much CO₂ does Aberthaw Cement Plant emit?

The page uses about 239,632 t CO₂e/year from the open dataset It ranks #20 among facilities in United Kingdom by estimated CO₂.

Where is Aberthaw Cement Plant located?

Aberthaw Cement Plant is in United Kingdom at approximately 51.39707, -3.39154.

Who operates Aberthaw Cement Plant?

The operator recorded in the open dataset is Tarmac Holdings Ltd.

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