[FEATURE REQUEST] - More individuals in empty space

[Vinisz]

Is your feature request related to a problem? Please describe.
No, no problems, just a request

Describe the solution you'd like
I'd like to add more individuals (like gas consumption, 3th car, etc, ) that go into empty space

Describe alternatives you've considered
Looked at "misusing" battery , that does not work (as it will not attach to the house)

Additional context

[JoshC1994]

+1 would love to add additional individual items, however need to be mindful of position if using the battery

[fnxpt]

It would be nice to have exactly the same thing that was done for the power card

[Jster007]

please improve individuals as ongoing for Power Flow Card Plus (beta)

[morpheus12]

Hi it’s a great add on for ha.
please add additional individual values to the energy flow card as in the powerflow.

In my case I would like to add my central heating system + wallbox in the flow. I receive here one entity for warm water and another for heating. So both individuals are used now and I’m not able to add the Wallbox. Now I fixed the issue with an helper to sum both values.

But in the future it would be great to add other permanently systems like airflow systems, IoT, Facility components, too.