Abstract standalone solar power plant for simple houses by: bryan sandhito 1504005010028 electric energy is one of the very needs of modern society important and vital. the absence of electrical energy will greatly interfere with sustainability human activity. therefore the continuity and availability of electricity is necessary maintained every time. indonesia's current electrification ratio is 87%, this is the case shows 8.5 million indonesians or equivalent to 2500 villages that have not electrified. indonesia's geographical location is one of the causes still many areas that have not been reached by the national electricity company (pln) such as the island selaru in the southern tip of west southeast maluku district. indonesia is a country tropical which has solar energy potential with an average daily insolation of 4,5 - 4,8 kwh / m2 / day. so that solar energy becomes a potential renewable energy source to be developed in indonesia. plts in this study is planned for