People living in remote rural areas have low income and so their ability to pay is low. On the contrary, the price of diesel fuel increases consistently and many countries have to import diesel fuel from other countries. Thus, for some countries nowadays, a centralized power supply solution using a diesel generator, is not a promising solution for rural areas. Alternative solutions have been sought by governments of many countries, focusing on utilizing renewable energy as an option for power supply in remote rural areas. Renewable energy has been utilized widely in rural areas of many...