New here and seeking advise.
I am currently in the process of building a house and I recently received an offer for a massive solar installation. PV panel with a total of 24 kWp.
Calculations indicate that this plant should produce my yearly needs of energy.
I am planning on getting a battery storage in the future but will not be getting one right away.
Since I live in the south-west part of Norway, a lot of this energy production will take place mid summer and peak mid-day.
Which of course is the time of day one would need it the least.
So entered google and found EmonEVSE with eco-mode. I can divert surplus power into EV. Fantastic!
But I want to take it another step. In case EV is not present or EV is fully charged the power should be diverted to one of my three water storage tanks. 1. hot water tank 2. heat accumulator tank 3. outdoor spa.
Another issue could be the minimum 6A output for the EV. How does this work with a 3-phase feed to the EV? Do I need at least 400 * sqrt(3) * 6 = 4150 W surplus to activate EV charging? Or if it starts charging EV if less than this surplus then will it draw from the grid?
See floor plan here Floor plans with energy storage components.pdf (219.7 KB)
Basically I have main intake cabinet which feeds one fuse box inside house for appliances and one in garage for EV and jacuzzi.
What Hardware will this require and how to set it up?