Solar light champ
Photovoltaic exterior light
hei solar light™ is the first independent, all-weather photovoltaic outdoor light for professional use. hei solar light™ combines cutting-edge design with innovative, patent pending module technology and highly efficient components.
Municipality centre Ludesch
hei solar building
HEI develops photovoltaic modules for architectural building integration. The so-called LSG (laminated safety glass) solar modules feature numerous architectural and structural advantages over conventional PV modules.
HEI photovoltaic research laboratory
Research and development
Global warming and scarce resources necessitate an eco-social reorientation and a phase-out of fossil energy sources and risk technologies. Our vision is an ecologically, economically and socially sustainable energy supply.