Based on your generator capacity, it is assumed that each apartment will receive a maximum load of

[Joj]

Based on your generator capacity, it is assumed that each apartment will receive a maximum load of 30 amps.
As a result, each apartment will receive one XTH8000 inverter, and batteries will be distributed so that each apartment has 15 amps per hour for six hours. (Sizing will be confirmed during the site visit).

 

[tedmc]

1. It is assumed...

Who is it? Just say we assume.

2. I would replace "as a result" with "as such".

3. ...batteries will be distributed so that each apartment has...

If you mean each apartment will receive an inverter and a battery, say so.