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Electric Backup & Portable Generators

Gas, Diesel, or Propane Generator?

You need to decide if you want a diesel or gas generator. There are some that run on other fuels, but diesel and gasoline are readily available and are the post popular. The both make the same electricity, but there are a few differences.

This first section will deal with portable or semi-portable generators.

Are you going to use your generator for a backup power supply mainly, or are you going to use it frequently or on a day to day basis?

Gas Generators

Gasoline generators are generally cheaper to buy. This may be a deciding factor for you. But they do require more maintenance. You will have to change the oil, filter, and spark plugs. This could lead to a higher overall cost during the life of the generator. Gasoline generators are not usually as fuel efficient as a diesel one. But fuel prices fluctuate. If diesel fuel is more expensive, the fuel efficiency won't matter as much. If you use a generator only occasionally, and for a backup power supply, a gasoline generator might well be the way to go.

Diesel Generators

Diesel generators do tend to cost more. However, as stated above, they are more fuel efficient. They also require little maintenance. Not nearly as much as gasoline. Diesel engines run at lower speeds, so they will last a little longer. They require no spark plugs. If you use your generator on a day to day basis, such as on a job site, you will probably want to go for a diesel.

Propane Generators

If you are looking at a stand alone (stand by) permanently placed generator, you will probably want to choose propane. Because they are refilled with tanks, there is little danger in refueling and storing fuel. Propane in the long run is cheaper than gasoline or diesel.