Submitted by taw34 on Thu, 2018-01-04 11:50
Hi -- im sure this is posted in one form or another somewhere but i couldnt find my exact answer so here goes.
I am looking to deep dive into the tesla ecosystem.
I would like to purchase enough solar and enough powerwalls (5 i think) to run my entire house and charge model S overnight.
My question is:
1. is this currently possible? powewall site says off-grid is coming soon?
2. can I charge the powerwalls via solar during the day and have them discharge power for everyday living (TV+AC+washer / dryer + lights+ PC+ oven + etc potentially running at the same time every now and then) . I figured since the powerwall2 can discharge 5kw continuous that if i needed to run everything all at once then i potentially could see using upto 25 kw (not accounting for car charging -- not sure how to calculate that in).
3. Anybody have a good idea of how large solar system i would need (guessing 12-15kw system).
4. Ideally i guess i would want it totally off-grid, but maybe just charge the car from grid and for the house use sun+powerwall daily.
Thanks for any help/useful sites/ etc