Residential roof PV system mainly refers to installing and using distributed PV power system by applying the existing unused place of the household such as roofs, exterior walls, balconies and yards. On the roof of the household, the power range of the PV system is usually 1kw-30kw. The whole system consists of PV modules, inverters, lightning proof junction box, ac lightning connector, component support, electric wires and bi-directional meter.
1. Make full use of idle resources in the building as well as developing clean electricity without taking up the existing land.
2. Simple to connect with the local grid. (It can be connected quickly as long as the roof property right is clear and the product quality of the power station meets the requirement of the grid. )
3. Small investment amount (With only tens thousands of yuan and more than 10% return on investment, your earnings is guaranteed).
4. The shading area can effectively reduce 2-3°of the building indoor temperature, thus indirectly saving air-conditioning electricity consumption.