In China, many people build their own house, villa, Use the area on the roof， now you can own power, you also can to sell power to the grid company, This is a more environmentally friendly way， for the earth to save coal resources, the use of solar power is now increasingly popular in China，The largest generating units are currently from China's Three Gorges，Their own housing, it is best to use solar energy
Users can buy from the business, they will go to install debugging