1, no exhaustion risk;
2, safe and reliable, no noise, no pollution emissions, the absolute clean (pollution-free);
3, free from the geographical distribution of resources, can take advantage of the roof of the building; for example, no electricity areas, and terrain complex areas;
4, no need to consume fuel and erection of transmission lines can be local power supply;
5, high energy quality;
6, the user from the emotional easy to accept;
7, the construction period is short, access to energy to spend a short time.