Solar energy is primary and renewable resource. It is rich, green, pollution-free and do not need transport, so solar energy creates a new age of saving energy. Besides, it is an important part of China’s sustainable development.

The advantages of photoelectricity:

* Useless

* Environmental, pollution-free, no noise or radiation

* Beyond the limit of zones and geography especially in the areas without electricity

* producing electricity without extra girds

* High-qualified resources

* Easy to accept at the point of clients

* Short-term building circle and the cost of resources.

There is no need for energy storage devices for this system. The electric is transmitted to the power grid directly through the grid-connected inverters during the day.