Bids are hereby invited for the appointment of a contractor for the installation and maintenance of a 70kW hybrid ground mounted photovoltaic solar system at the Karoo Desert - Worcester. Specifications: a) AC voltage; b) AC output current; c) Output power; d) Energy in kWh; e) DC input voltage; f) DC input current; g) Temperatures (° C); h) Inverter status; i) String voltage and current . (Tender №115212967)