alt Hacker NewsThat is the case only if you want to give your surplus back to the grid. If you avoid that, you are only limited to a maximum power of 20kW of solar panels installed.
That is the case only if you want to give your surplus back to the grid. If you avoid that, you are only limited to a maximum power of 20kW of solar panels installed.
20kW seems to be ample for home usage. Half should be good enough.