The design for this particular installation was done with remarkable accuracy in order to place the photovoltaic system with the most power and efficiency on the joint tilled roof of two maisonettes and that effort was successful.
Photovoltaic panels: HIT-N235SE10 SANYO (was later renamed to PANASONIC).
Inverters: SUNNY BOY 2000HF-30 made from the German company SMA.
Bases: Galvanized metal piper from METALOUMIN.
DC cables: OLFLEX SOLAR XLS made from the German company LAPPGROUP.