Heidelberg Materials AG Mainz Cement Plant

This article is part of the Global Cement and Concrete Tracker, a project of Global Energy Monitor.

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Heidelberg Materials AG Mainz Cement Plant (Mainz Zementwerk) is a grinding cement plant operating in Mainz, Rheinland-Pfalz, Germany.

Location

The map below shows the exact location of the cement plant in Mainz, Rheinland-Pfalz, Germany:

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Coordinates (WGS 84): 49.974365, 8.316202 (exact)

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Cement Plant Details

Table 1: General Plant Details

Plant type	Plant status	Start date
grinding	operating	1864

Table 2: Ownership Details

Additional information including parent company references and full ownership trees available at the Global Energy Ownership Tracker.

Parent company	Parent company GEM ID	Owner name	Owner company GEM ID
Heidelberg Materials AG [100.0%]	E100000000414 [100.0%]	Heidelberg Materials AG [100.0%]	E100000000414 [100.0%]

Table 3: Capacities (million metric tonnes per annum)

Cement capacity	Clinker capacity
1.30	–

Table 4: Cement Production (million metric tonnes per annum)

Primary cement color	Primary cement type	Clinker substitution rate	2024 -2025 Cement production
grey	unknown	unknown	unknown

Table 5: Clinker Production

Clinker production method	Number of operating kilns (accuracy)	Number of developing kilns (accuracy)	Kiln technology - preheater	Kiln technology - precalciner	Kiln technology - waste heat recovery
–	–	unknown	unknown	unknown	unknown

Table 6: Green Cement Technology

CCS/CCUS	Alternative fuel	Clay calcination
–	–	unknown

Articles and Resources

Additional data

To access additional data, including an interactive map of Cement plants, a downloadable dataset, and summary data, please visit the Global Cement and Concrete Tracker on the Global Energy Monitor website.