From the GA series of LPG and Natural Gas generators, the Pramac GA13000 is reliability economical thanks to the robust Generac G-Force engine. The Overhead Valve (OHV) engine produces 13kVA / 13 KW of power effortlessly and has been designed for residential backup use. Its best for powering the home where the use of small to medium appliances, heating, lights, and such is required. Plus, it can power sensitive electrical equipment too, using True Power™ Electrical Technology. Its compact size and low sound levels makes it a market leader in LPG and Natural Gas Generators POWER RATING OF THE PRAMAC GA13000 It has Standby power of [ESP] (Liquid Propane) VA 13000 / 13kVA and Standby power of [ESP] (Natural Gas) VA 13000 / 13kVA. Fuel consumption is surprising low at just 4.02 (m3/h) NG and 5.58 (kg/h) LPG @ 50% load. There is an optional 100 Amps Automated Transfer Switch (240V / 400V) to make the GA13000 fully automated. You will need this to ensure the generator starts automatically when there is a power outage (mains failure).