I built an office in a detached garage that has 100 amps going to it. 120v/240v mixture from there.
Edit: I guess it would make more sense to explain the setup. It's a lot of 9-10 million ppd GPU's: 2x 3090, 8x 3080ti, 3080, 3070, 3060, 2080 TI, 2080, 960. So, not the small PPD ones. Good...