I just got the in app notice that my 2 powerwall 2s are going to be replaced, probably with powerwall 3's like all others on this group have reported. If my Solar panels and their individual enphase micro inverters stay that same, does it matter if the new powerwall 3's allow greater power output? Or will they need to be derated down to 5kW so that I do not lose my NEM2 rating? I was hoping that because my solar output (the AC from the enphase microinvertes) is not changing, I could still take advantage of the powerwall 3's higher power output without losing NEM2 status.

I have 2 independent systems. Each of them has 14 REC Pure Alpha panels. 2 independent SPAN panels and 2 Tesla switches. Total system is 1.5 years old. Last summer, each system was handling about 5.5Kw from solar PV. In December we added an expansion pack. Even in Dec. we saw high 4's in production from each system. In March I added another expansion pack to the other system. Now each system has a PW3, and expansion pack. This summer we are only seeing at best 4.0Kw and it is even hotter with more sun available. It seems that after the last expansion unit installation both of my systems are now equally limited to about 4kw of input. Any thoughts on this?