Here is some data from 2019 about cheap solar+storage. Per unit, it is always cheaper to build a factory than do home installation. https://pv-magazine-usa.com

Here is some data from 2019 about cheap solar+storage. Per unit, it is always cheaper to build a factory than do home installation. https://pv-magazine-usa.com/2019/09/10/los-angeles-commission-says-yes-to-cheapest-solar-plus-storage-in-the-usa/ https://pv-magazine-usa.com/2019/09/10/los-angeles-commissio...