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  1. Market Data
August 28, 2021

Audi e-gas Project, Germany

By Carmen

The Audi e-gas Project is a 6,000kW energy storage project located in Niedersachsen, Werlte, Lower Saxony, Germany.

The electro-chemical battery energy storage project uses hydrogen energy storage as its storage technology. The project was announced in 2013 and was commissioned in 2013.


The Audi e-gas Project was developed by Etogas. The project is owned by Audi (100%), a subsidiary of Volkswagen.

The key application of the project is renewable energy time shift.

Contractors involved

Audi, Etogas and MAN Energy Solutions have delivered the battery energy storage project.

Additional information

The Stuttgart-based plant manufacturer ETOGAS GmbH (formerly SolarFuel) has timely developed and built the world’s largest power-to-gas plant. Customer and operator is the Audi AG. The plant has a capacity of 6 MW of connected wattage and converts green electricity surpluses into renewable hydrogen and methane. The system will generate an average of three million cubic meters of renewable synthetic methane per year.

About Etogas

ETOGAS GmbH is a plant engineering company.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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