What is a rough cost comparison between a standard electric battery recharge tuk-tuk and the solar-powered tuk-tuk you have suggested? How does this change if assuming a 10% cost of capital on the capital investment and straight line depreciation cost over the 5 years life of the asset?

 

Tare Weight (excl. battery, panels and passengers/drivers), kg Battery weight, kg Solar Panel Weight, kg Total driver and passenger weight Capacity (people) Total gross vehicle weight Solar panel efficiency Solar panel area, m2 Battery capacity, kWh Motor power, kW Solar power output, kW Battery capacity/vehicle weight, kWh/tonne Power output/solar area, kW/m2 Motor power / vehicle weight, kW/tonne Passenger / tonne vehicle weight Battery capacity/battery weight, kWh/kg Opex $/kWh Vehicle capital cost kWh/km travelled A Solar panel cost $/kW Solar panel cost Average speed km/hour Average operating hours/day Average daily operating cost Annual operating days Annual operating cost Total economic cost (assume 10% CoC, 5 year life) Economic cost / passenger B Solar Car 101 20 40 75 1 236 30% 2.64 5.1 2.4 2.4 50.5 0.9 23.8 32.3 0.255 C Electric Tuk-tuk 340 49.0 300 4 689 4.5 5.4 13.2 7.8 66.7 0.09 $0.5 $10,000 0.075 $0 $0 40 18 $27 $350 $9,450 $12,250 $3,063 D Solar Powered Tuk-tuk 340 49.0 97.5 300 4 787 20% 6.50 4.5 6.2 3.9 13.2 0.6 7.8 66.7 0.09 $0 $10,000 0.075 $1,500 $5,909 40 18 $0 350 $0 $4,455 $1,114