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Heliatek GmbH, a spin-off of the Technical University Dresden and the University of Ulm. heliatek focusses on research and development and perspectively with the production of organic solar cells for electricity generation.


Renewable electricity and yet unused, undervalued gases (e.g. CO2) can be converted into sustainable products such as climate neutral gasoline, clean Diesel and e-kerosene, high-quality waxes, green methanol or renewable synthetic natural gas (altogether: e-products). INERATEC (IC) sells compact plants for these conversions or invests into e-product production sites.
IC´s technology solves several challenges of the energy transition: management of a fluctuating supply of renewable energy, large and long-term energy storage as well as sustainable mobility and climate neutrality. Synthetic fuels will especially be needed for heavy-duty and maritime transportation as well as aviation. E-products are a viable option for the defossilization of many industries currently depending on fossil resources.


instagrid GmbH offers portable battery systems with "Software defined Battery" technology for mobile power supply. The emission-free infrastructure solution helps service providers and craftsmen to increase productivity and efficiency when working at temporary locations.

HTGF-Manager: Johannes Weber
Added to portfolio 21. Dec 2018

Smart Hydro Power

Modular, 5kW, micro hydro turbine system with an energy management system; ideal for operation in agricultural businesses, workshops, or households near a river or canal.


Volterion offers fully melted Stacks and flexible Elektrodes for use in Redox-Flow-Batteries and further implications.

HTGF-Manager: Dr. Philipp Rittershaus
In portfolio 04. Oct 2017 – 30. Jul 2019