So in one hour it will consule 750 watthours or 075 kwh. How Many Kwh Does A 1hp Motor Use. Electric Recovery Winch W Wireless Remote 12 000 Lbs Capacity Remote Control Remote Wireless Pumps can be larger than that as well. . For the front motor there is 500 amps. Click to see full answer. Circular Saw 1400-1800 Chop Cut Off Saw 1500-1800 Shop Vac 65 hp 1440 Electric Chain Saw 14 1200 Wagan Pro Line 3000 Airless Sprayer 12 hp. 1 unit 1 kilowat-hour ie. A ¾ horsepower well uses 1500 to 1800 watts to run and. If the motor is fully loaded it will provide output power of 1 HP 1 X 0746 kW 0746kW. 746 watts The electrical equivalent of one horsepower is 746 watts in the International System of Units SI and the heat equivalent is 2545 BTU British Thermal Units per hour. A 10-inch contractor table saw requires 15 to two horsepower and at least fifteen amps of electricity to cut 35 to four inches of wood. This is e...