You need me, an electrician, for bigger installation. 800W can be done by everyone and doesn’t require registration to grid operator and tests. Some people don’

You need me, an electrician, for bigger installation. 800W can be done by everyone and doesn’t require registration to grid operator and tests. Some people don’t mind having illegal 1600-2000W installations, never heard, that someone got fined for that. Generated energy (if not consumed) is not paid for anyway.