The z13 uses 12.9 kW with 3 CPC drawers (~96 CPUs) up to 24.7 kW in a 4 CPC (141 CPUs) fully loaded, maximum power configuration. See: https://books.google.nl/

The z13 uses 12.9 kW with 3 CPC drawers (~96 CPUs) up to 24.7 kW in a 4 CPC (141 CPUs) fully loaded, maximum power configuration. See: https://books.google.nl/books?id=Do1WCAAAQBAJ&pg=PA78&lpg=PA78&dq=ibm+z13+power+kilowatt&source=bl&ots=5my3L1nEuN&sig=kpDYJF7v9niY7m8vIP-ei4Vnbp8&hl=en&sa=X&ved=0ahUKEwjY4OLf16LKAhUCdA8KHeYODkwQ6AEIOjAF#v=onepage&q&f=false https://books.google.nl/books?id=Do1WCAAAQBAJ&pg=PA78&lpg=PA...