Generac Power Systems designs and manufactures innovative power backup products. Its product catalogue incorporates liquid-cooled generators, transfer switches, portable generators and related accessories. Offered in 1- and 3-phase options, the liquid-cooled Generac generator can produce electric power of up to 150 KW, making it ideal for heavy industrial usage. The top Generac portable generator models are equipped with a 16-gal (approx. 60.6 L) fuel tank for uninterrupted power backup and a 992-cc engine to generate 17500 watts of electric power. Generac generators, such as automatic standby generators, are available in gasoline, diesel, propane and natural gas fuel variants for applications in residential and commercial sectors.