Problem encountered in the design of solar water pump is about the cost of making the solar water pump by considering two variables, namely the cost and effectiveness of solar water pump when installed. The case studies raised regarding Indonesia perspective to be applied well in Indonesia. The solution offered is the design of the solar water pump system by considering aspects of cost and effectiveness carefully. The result is a plan to build a solar water pump which was suitable for use in all conditions and situations in the area of Indonesia.
Keyword: Effectiveness, solar water pump, Indonesia.