Environmentally-friendly energy technologies
HEI operates in the area of environmentally-friendly, climate-protecting and resource-saving energy technologies.
Development and manufacturing
We develop new energy technologies and specific product applications. We produce our products independently or in cooperation with our project partners.
Business areas
HEI is currently active in the following business areas.
Innovative photovoltaic product applications (e.g. lights, facades)
Photovoltaic technologies
Development of de-centralised energy systems
