MVA · Megavolt-Ampere
Unit of apparent power used for transformer nameplate rating. Switchgear must instead be specified by voltage, continuous current, short-circuit interrupting/withstand duty, insulation/BIL, topology, and applicable standard; do not collapse switchgear duty to MVA.
Current numbers
~80 MVA x3typical HV/MV transformer unit, N+1, to serve ~150 MW peak; ~10% MVA cushion over MW