The project is located in Houjie Town, Dongguan City, Guangdong Province , and the integrated energy service project of photovoltaic storage and charging is built through the organic combination of photovoltaic, energy storage and charging stations. T he r oof of t he b uilding i s u sed t o c arry o ut the c onstruction o f p hotovoltaic s ystem, w ith a r oof a rea o f a bout 2 17 s quare meters, a nd a bout 3 0kWp o f r ooftop p hotovoltaic can b e i nstalled; It adopts the self-developed integrated charging station system scheme of storage and charging, including a 200kWh energy storage system and a 120kW DC fast charging pile, and the 120kW DC fast charging pile includes two charging guns with a 60kW power.