well i have an old one that is a little big and can power the whole house if need be. and i just bought a new one this year it's smaller only 5500 watts but that still more then enough.

the old one is a 10000 watt gen with i think a 16hp motor and i bought it years ago for a factory that was going under.

the smaller one is a dayton that i got for a great deal and just couldn't pass it up. it has the honda motor 9hp