Developing the usable space as study room, reception room, small garden or anything you want.
Besides the self-consumption part, the rest power leads extra revenues.
Let renewable, clean, free-noise sunlight replace the nonrenewable resource。
Effectively decreasing the indoor temperature 3 to 10 degree; improving the living experience; and economizing on air conditioners.
The solar panels are another protection for the roof that resists ultraviolet radiation and running water.