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So it looks like I have three options to choose from without having to upgrade the meter/main, which to me is out of the question. I want to shoot for a clean install and not have to redo stucco on a new home. In option one and two it looks like I am limited to two PWs no matter what I do as I...

Wayne, Do you say it is a red herring because it really does export to the grid, or because the NEC code is written for such technology as of yet?

Looks like that is correct. The Powerwalls are designed as such that they never export to the grid. So they would not need to be accounted for in the main bus 120% rule for back feeding. So it looks like as of now with 60amp max of solar running through the Enphase aggregator I can keep the...

How were you able to have 120 amps of backfeed and not need to derate the service disconnect breaker? I was under the assumption that you would need to stay under the 225 amp X 120% rule, which is 270 amps. Your system seems to come in at 320 amps. I guess this is the part that I am not...

Well everyone I definitely appreciate the feedback and I have gone back to the DWG table. The new design takes into account not having any unbanked up loads. I believe I will also have to derate main breaker due to having 2 PWs and a 7.6kW solar system. Is there any known way to configure to...

Sure if you do not mind. PM me.

I am in SCE territory I live out in Menifee and these panels seem to be the norm out here on new construction. Long story short is I am planning to do everything but the PWs on my own and in phases since it will take some time. The first step would be figuring out the wiring and setup so that...

Hey everyone first time posting and after reading countless threads I have finally decided to take the plunge. I am looking to install 2 power walls and pre wire for a 3rd unit during this project, as well as leave room for solar in the future. I am starting off with an Eaton MBED3042B200...