You'll have to do your own calculations based on your own site data.

Onsite BESS permits you to not only get by with a smaller hookup but also sell your energy at times when people are willing to pay for it.

> You'll have to do your own calculations based on your own site data.

I did my calculation already. It said that a 1/3 drop in hookup for panels that were already hookup-constrained is not a proper hookup.

Straightforward math.