A system for powering a datacenter campus including a first main direct current (DC) superconductor cable configured to receive direct current DC electrical power from a first alternating current (AC) power grid through a first AC-DC converter, a second main DC superconductor cable configured to receive DC electrical power from a second AC power grid through a second AC-DC converter, a DC-DC hub connected to the first and second main superconductor cables, and a plurality of secondary DC superconductor cables, wherein each secondary DC superconductor cable includes a first end electrically connected to the DC-DC hub and a second end electrically connected to server racks housed in a respective datacenter building of the datacenter campus.