Home / United States / Cement plants / Hunter Cement Plant

Hunter Cement Plant

Cement Plant in United States. Approximate location 29.80449, -98.04003.

Cement PlantUnited StatesCO₂ estimate (modelled)

Hunter Cement Plant is a cement plant in United States. 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 Ash Grove Cement Co. By capacity it ranks #9 among 32 cement plants in United States. It emits about 635,997 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 148k passenger cars. Its CO₂ per unit of capacity is 16% below the national median for this sector.

2,100,000t of cement
635,997t CO₂e / yr (Climate TRACE)
#204CO₂ rank in United States
0.30t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1898037.

Data status

Known source data

FacilityHunter Cement Plant Climate TRACE
CountryUnited States Climate TRACE
Coordinates29.80449, -98.04003 Climate TRACE
Sector / subsectorcement Climate TRACE
Reported capacity2,100,000 t of cement Climate TRACE
Owner / operatorAsh Grove Cement Co Climate TRACE
EPA parent companyMARTIN MARIETTA MATERIALS INC US EPA GHGRP
EPA NAICS327310 US EPA GHGRP
TRI facility recordASH GROVE CEMENT SOUTH TEXAS LLC US EPA TRI
TRI parent companyMARTIN MARIETTA MATERIALS INC US EPA TRI
TRI NAICS327310 US EPA TRI
TRI reported chemicalsAmmonia, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Lead And Lead Compounds, Manganese And Manganese Compounds, Mercury And Mercury Compounds US EPA TRI
TRI on-site releases65,953 lb/yr US EPA TRI
Modelled CO₂e635,997 t/yr Climate TRACE

Calculated from the dataset

United States rank#204 of 1910 · top 10.7% calculated
Global cement rank#904 of 2113 · top 42.8% 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, Hunter Cement Plant is well above the median cement plant in United States (1,180,000 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 635,997 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:

148kcars driven for a year
83khomes' 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 636k t CO₂e/yr (Scope 1), Hunter Cement Plant carries no domestic carbon price — and as a CBAM-covered product, its 636k t at the EU CBAM rate (€75/t) is €47.9M/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–32k t/yr, worth €959k€2.4M, 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).

636k t CO₂e / yrScope 1 emissions
€47.9M/yrCBAM exposure on EU exports
13k t–32k t/yr ≈ €959k€2.4MDecarbonization 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 cement plants in United States

Ste. Genevieve Cement Plant: 4,500,000 t of cement4.5MSte. Genev…Heidelberg Union Bridge Cement Plant: 2,816,901 t of cement2.8MHeidelberg…Festus Cement Plant: 2,700,000 t of cement2.7MFestus Cem…Heidelberg Nazareth Cement Plant: 2,663,380 t of cement2.7MHeidelberg…Heidelberg Mitchell Cement Plant: 2,400,000 t of cement2.4MHeidelberg…Alpena Cement Plant: 2,400,000 t of cement2.4MAlpena Cem…Midlothian Cement Plant: 2,350,000 t of cement2.3MMidlothian…Heidelberg Fleetwood Cement Plant: 2,221,127 t of cement2.2MHeidelberg…

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

Operator

Operated by Ash Grove Cement Co. All facilities by this operator →

Local climate

Hunter Cement Plant sits in a humid subtropical climate zone (Köppen Cfa), at 29.8°N in the northern hemisphere.

~18°Ctypical annual mean
~27°Ctypical warm-season
Humid subtropical: 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
39/100environmental-severity index
19.1°Cseasonal temperature swing
213 kmdistance to coast
ModerateCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1299 W/m² to ambient — roughly 1.00× the loss at a 20 °C reference; removable insulation recovers about 1234 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 #9 largest of 32 cement plants in United States by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 29.80449, -98.04003. 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 12,000 MWh/year of recoverable heat-loss reduction and about 4,000 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 States: funding & obligation

Funding. Investment tax credit up to 30% of qualified investment incl. industrial decarbonization; open to small/medium/large manufacturers. official source · verified 2026
Status: ~$6B of $10B allocated Jan-2025; remaining capacity + IRA status under political review — verify before 'apply now'.

Obligation. None at federal level (voluntary). Some states have their own programs. (applies as a rule above the stated threshold — we do not hold this site's metered energy use). · 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 Hunter Cement Plant?

Hunter Cement Plant is a cement plant in United States. 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 Hunter Cement Plant?

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

How much CO₂ does Hunter Cement Plant emit?

The page uses about 635,997 t CO₂e/year from the open dataset It ranks #204 among facilities in United States by estimated CO₂.

Where is Hunter Cement Plant located?

Hunter Cement Plant is in United States at approximately 29.80449, -98.04003.

Who operates Hunter Cement Plant?

The operator recorded in the open dataset is Ash Grove Cement Co.

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