Ten kilowatts is the minimum AC output in the Guardian line — the maximum is 26kW. Available options include (LPG AC Output/Natural Gas AC Output in kilowatts): 10/9kW, 14/14kW, 18/17kW, 22/19.5kW, 24/21kW, 26/22.5kW. The more electricity a Generac fossil fuel generator ...