We currently have a 100 amp service, to say that is marginal is an understatement.
Most houses of this size would have at least 200 amp, and of course we have greater demands as a commercial business. We alos want to have some spare capacity for the Depot at a later stage. So the idea is to go with 400 Amp 3 phase. I looked at 440v but that would require a seperate line from the sub station and generate much greater monthly fees.
Our transformer is currently on a pole at the back of a new building, we want all the mechanical and electrical systems in the same location, next to the Boiler. We would also like to tidy up the cables, the main supply is on poles at the back of the building. Fed underground as far as is possible.
From the main supply there will be at least 3 sub boards to fees each of the two towers and the kitchen/restaurant.
At the moment Solar PV is not currently in our plans, installing disconnects would allow us to add on.
We do neeed a back up generator, whilst the supply here is pretty stable bearing in mind our location, the heating system etc requires a minimum supply to keep operating.
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