After messing around I had to practically figure out how the electrical boxes work as there is not a guide.

1)Place the first box on the top floor and name your box. This will be your input box (Junction box 1, top floor, ect)
Then place your Second box and name that (name your boxes) on the desired floor you want to deliver power to. This will be your output box.

2)Toggle the output to your desired level of energy output. It has to be exact. Any more, even 1w more than what you have available and the entire thing bugs. So if you are utilizing any fluctuating power you will need to use batteries and make sure the power is able to meet your set output at all times. double up your batteries as they only are at 50% eff. I suggest making batteries as if one breaks and you do not have a surplus of power you will see an entire floor black out. To sustain 2000 I had to use 2 solar panels and a wood gen. This should give you a rough estimate on what to expect. I utilized 3 batteries just to be safe. Power is definitely an investment.

3) Click Select Linked Power and then select your second floor junction box. Naming is important. The secondary that you link is your power output for the second floor.

4) If done right you should have power. As for multiple floors someone said that they are not able to have it work on multiple but What I believe you need to do is make yet ANOTHER junction box, connect it to the power (you will have 2 on one floor) and then connect that junction box to the floor below. So it should look like

1F input A

2F OutputA Input B

3F Output B Input C

4F Output C Input D

ect.

Hope this is able to help at all. The way to connect power is not as intuitive as I would have linked but it works.