A citation would be great if you have it. Thanks. (And please don’t just say that you like solar power or something like that, I only want to know about the cost–it’s for a paper.)

Best answer:

Answer by drwer2
In place, the cost for residential scale is about $ 10/watt installed by competent company.

DIY by a competent person is about $ 6 per watt.

average requirement for home is 2500 watts. BUT

The industry has decided that the minimum system should be 3000 watts. (because there isn’t enough money in it otherwise to account for thier overhead).

wer

What do you think? Answer below!