I am running 100 amps to a shop (approx 250 feet away) from a 200 amp panel. I am going to run the feeders in 1/0 aluminum and a #6 aluminum ground with it. My question is how do I go about sizing the neutral? The wiring is going to be for future use in the shop so there is really no way to know what any of the loads will be. Should I just run it in 1/0 also or is there a way of calculating a neutral size just based off the 100 amp service?

Thanks

Thanks

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