Sounds like he is allowed to sell excess back to the grid and payback period would be <20 years. They are warranted for longer. If financing is available it is basically free. ;)
Big if that but more realistically the real kicker here is that all of that is about x3 larger than what most households need.
I get that not everybody has $10k laying around to plop down on panels/batteries all in one go but if you do you can get off the grid now.
Sounds like he is allowed to sell excess back to the grid and payback period would be <20 years. They are warranted for longer. If financing is available it is basically free. ;)
Big if that but more realistically the real kicker here is that all of that is about x3 larger than what most households need.
I get that not everybody has $10k laying around to plop down on panels/batteries all in one go but if you do you can get off the grid now.