Table 1

The input values considered for NPV calculation for a grid-connected AWGPV system installed in Dubai UAE normalized for 1 PV module with 333 Wp (165 cm × 90 cm).

Parameter Description Unit Values
WG Water generated in 1 yr L 720
EG Electricity generated in 1 yr by 333 Wp PV module kWh 705
Echill1L Energy consumed by chiller to produce 1 L of water kWh/L 2.22
C0 Initial investment cost normalised to 1 panel USD 2615
O Operating cost for 1 yr per panel USD 13.62
PEG Price of electricity generated for 1 yr* USD/kWh 0.063
PEC Price of electricity consumed by cooling unit* USD/kWh 0.063
L Lifetime of project yr 25
r Discount rate %/yr 4
PW Price of water generated for NPV = 0 USD/L 0.33

As per utility price of Dubai. The above electricity generation assumes that 1kW PV system generates 5.8kWh per day in Dubai UAE.

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