# How Many Watts Does A 1 Hp Water Pump Use?

## Will a 3500 watt generator run a well pump?

In addition, remember that you may need to run a well pump or sump pump.

These have high starting power requirements (over 2,000 watts each), so you can probably only run one or the other on a 3,500-watt generator..

## What size generator do I need to run a 1 HP well pump?

3-4 KWIn the case of a 1 HP standard submersible well pump; a 3-4 KW generator is required for the well pump to be able to start, even though 1 KW is the amount of power the pump uses when it is running.

## How much electricity does a 1 hp motor use?

1 Horsepower is equal to 745.7 watts of electrical power, so in theory a 5HP motor operating at 100% efficiency will consume about 3.728kW of power. In one hour, it will use 3728.5 kilowatt-hours.

## How many watts does it take to run a well pump?

700 wattsConsumer reports says a well pump runs about 700 watts. Multiply that by 3 to get a rough estimate of the starting wattage for the pump and you run about 2100 which still leaves plenty of wiggle room in terms of wattage.

## How many amps does a 1/2 HP well pump use?

5.0 ampsHow many amps does a 1/2 HP well pump use? Taking the 1/2 hp, 230 V example, when delivering 1/2 hp to the pump it draws 5.0 amps. However, if that same motor operates at its service factor of 0.8 hp (1/2 x 1.6) it draws 6.0 amps.

## Will a generator run a well pump?

Will a portable generator work? Unfortunately no. Unlike many of your appliances that plug into an electrical outlet, your well pump is hard-wired into your home’s electrical circuits.

## Will a 2000 watt generator run a well pump?

Powering a Sump Pump or Well Pump A 2000 watt generator could start up the sump pump and then keep it running during a storm, and once running and drawing 800 watts, you could use the same generator to power the 1000 watt water well pump.

## What size generator do I need to run a well pump and refrigerator?

You can run the most critical household equipment with a generator rated at 5,000 to 7,500 watts. These include things like a well pump, refrigerator and freezer, and lighting circuits. A generator with around 7500 running watts can run all these appliances at once. For RV, a 3000 – 4000-watt generator would be ideal.