solar power wall

Not sure if this has been discussed but I don't understand the differences and what is best to use to insure you do not have a large true-up bill at the end of the year. I am on the PG&E plan that charges a premium for usage between 4pm and 9pm. Last year I used self powered and with the...

Hopefully a simple question for you all. I am getting a 7.56kW solar and 2 PWs. If I use either the balanced or cost savings on the powerwalls during the TOU peak times - does excess solar try to charge the powerwalls or go directly back to the grid? (Gaining peak time credits.)

I ordered from the Tesla website a few days ago. Large system with 3 power walls (11.7KWh) I uploaded all the pictures they requested and my electricity usage for the last 12 months. No other contact from Tesla yet. Not sure what to expect now. How long does it usually take for them to contact...