As many Belgian people, last year I rushed to get some solar panels on the roof, lured by the discussion that 2020 would be the last year that you shall still be able to enjoi a energy meter that counts backwards if you have overproduction.
We also got a digital meter and in March this year it became clear that the digital meters, although capable of counting backwards when there was over production, would no longer do so. Now if we have over production we can sell that back to the energy company for 16% of what we for it.
So, I want to instal one or more smaller home battery modules, which do not connect to the main fuse box of the home, but where you can connect consumers to and which can be charged from a wall-socket when there is over production. what this would look like schematically you can see on the figure below.
In this section I'll list some of the requirements I want the module to adhere to and some intermediate challenges I want to overcome while making the complete system.
Below is a limited list with some of the main characteristics I want the system to have.
There are a few things, probably a lot more, that I am not