The economy requires lower priced green electricity, and so do citizens. In order to provide cost-effective solar energy, the SHANPU photovoltaic residential system has been installed on the roofs of American households. The solar inverters used in this project are all provided by SHANPU. They are SP-PU-10KW inverters, intelligent and easy to install, with built-in Wi Fi module, supporting remote monitoring through mobile APP, equipped with dust-proof net, suitable for harsh environments, and can be used with nine parallel machines