How much Propane does a generator use?

How much propane does a generator use? {Updated 2020}

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Propane requires more planning. You’ll need to install plumbing between your fuel and generator. A permanent tank may also be useful in the long run.

Once your plumbing is installed and your tank is filled, you can store propane in it indefinitely and know how much propane does a generator use.

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How much propane will my generator burn per hour?

  • It requires 2 horsepower to produce 1000 watts of energy per hour under load
  • Under load each horsepower consumes 10000 BTU per hour
  • Propane contains 92,000 BTU per gallon
  • Propane weights 4.2 pounds per gallon

How much Propane does a generator use?

Using these factors how long can a 5000-watt generator run on a 500 gallon propane tank at 50 capacity.

  • 10 horse power at 50% would use 5 HP to generate 2500 watts of electricity
  • 5HP X 10,000 BTU would consume 50,000 BTU per hour
  • 500 gallons X 92,000 = 46,000,000 BTU of energy in a full 500 gallon tank
  • 46,000,000 BTU divided by 50,000 BTU = 920
  • A 500-gallon tank that is full would run a 500-watt generator at ½ capacity for 920 hours.

 

After comparing the various fuels, I would probably go with propane for a large generator in a fixed setting. I would want a minimum of a 1000 gallon tank.

How much Propane does a generator use?

For small generators I would go with a tri-fuel generator. Tri-fuel generators burn propane, gasoline and natural gas.

If you choose to purchase a large generator you need to weight the cost versus the benefits. Is running a generator worth the cost? Another consideration is how much fuel you are able to store.

Propane tanks store indefinitely, which is another reason the propane generator is a good choice.Most portable residential gas generators include a built-in fuel tank with room for just a few gallons of gas.

While this small amount of fuel does provide hours of electricity, the tank will need to be manually refilled multiple times a day.

Propane tanks are available in many sizes, from a single pound to 420 pounds (120 gallons) and beyond. With a standard propane tank installation, your generator will operate for days uninterrupted, depending on the load required.

 

Final verdict

Depending on your intended use of a generator; you will need to factor in all of the information given to make your decision. The type of fuel you decide to use will narrow the choices you have when it comes to purchasing a Propane generator.

After comparing the various fuels, I would probably go with propane for a large generator in a fixed setting. I would want a minimum of a 1000 gallon tank. For small generators I would go with a tri-fuel generator. Tri-fuel generators burn propane, gasoline and natural gas.

If you choose to purchase a large generator you need to weight the cost versus the benefits. Is running a generator worth the cost? Another consideration is how much fuel you are able to store. Propane tanks store indefinitely, which is another reason the propane generator is a good choice.

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