How many kilowatts does it take to run 100 amp home?

A three wire home distribution service rated at 100 amps has a wattage capacity of;From L1 to L2 at 240 volts x 100 amps = 24000 watts or 24 kilowatts. From L1 to neutral at 120 volts x 100 amps = 12000 watts or 12 kilowatts.

From L2 to neutral at 120 volts x 100 amps = 12000 watts or 12 kilowatts.