Dr. Rob Davies, a physics professor at Utah State
    University, prepared the analysis that estimates
    the energy footprint of the proposed data center
    is comparable to 40,000 Walmart Supercenters.

Other stats:

Size = 62mi² https://kutv.com/news/local/proposed-box-elder-data-center-r...

Energy usage = 9 Gigawats (Utah uses 4 Gigawatts total) https://www.cachevalleydaily.com/news/hundreds-of-utahns-fil...

Water usage permitted = 13,000 acre-feet (26k-39k homes worth) https://www.fox13now.com/news/local-news/box-elder-county/mo...