Recently, the solar power project of Sanshacity Hainan Province has signed the contract. This project is the first independent investment solar power project in Sansha, will be finished the installation and test in mid July, and delivered to the users. According toreports, Sansha has vast sea and numerous islands, the island's residents mainly rely on electricity generators. Due to the large fuel expenditure, and limited power generator equipment, etc, the power supply can not be effectively guarantee, so it brings many inconvenient in daily life. Therefore, Hainan Niululing Electric Power Engineering Co. Ltd. will provide 38 sets independent off grid PV station system, if the construction successful, it will be completely solve the problem of electricity. The controller and inverter integrated machine of this project independent R & D and produced by SunnyPower.