1. Roof photovoltaic power generation is a mature technology, that is, installing solar panels on the top of buildings and combining existing buildings with photovoltaic systems.
2. Effective use of existing buildings, without occupying additional land resources.
3. It can generate electricity locally and use electricity nearby to reduce transmission loss.
4. Photovoltaic power generation happens to be the peak of electricity consumption during the day, which can effectively alleviate the peak of electricity consumption.