1. No danger of exhaustion;
2. Safe and reliable, no noise, no pollution emissions, clean (pollution-free);
3. Not limited by the distribution of resources, can use the advantages of the building roof;
4. No fuel consumption and erection of transmission lines can be local power generation and power supply, no AC power supply, no electricity;
5. High energy quality;
6. Users are emotionally receptive;The construction cycle is short and the energy acquisition time is short.