ISTANBUL (Turkey), March 17 (SeeNews) – Turkish photovoltaic (PV) system and energy efficiency solutions provider Else Enerji said it has installed two rooftop PV systems of 1.15 MW each on factories of local companies Has Çelik ve Halat Sanayi Inc. and Besler Tekstil Sanayi Inc. in the central Turkish province of Kayseri.