Tracking the benefits of Solar and Battery

On / In my house I have a 4.4kW (peak) solar array (facing West), a 3.6kW (peak) inverter, and a 9.6kWh battery for storage. I've posted about this system before, so have a look at the tags to find other posts. So, we generate electricity in the sun and store it in a battery, we can also charge the battery from the grid, and send both back to the grid. We can also track the real time cost of our…