3.1 Biomasy i biopaliwa / Biomass and biofuels
3.2 Kolektory słoneczne / Solar thermal collectors
3.3 Ogniwa fotowoltaiczne / Photovoltaic solar cells
DELTA ENERGY SYSTEMS (POLAND) Sp. z o.o. A
ELHAND TRANSFORMATORY Sp. z o.o. A
Oberhauser Solar-Befestigungssyteme GmbH A
3.4 Energia wiatrowa / Wind power