There is no such thing as a kilowatt per hour. The kilowatt is already assigned a unit of time and that unit of time is the second. Admittedly kw/h was wrong but surely there was no way he could have meant 13.7kw!! 13.7kwh is enough for over one house (1.2ish) for a year.13.7kw/h != 13.7kwh
I assumed you meant 13.7kw per hour