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How Much Does It Cost to Install a Home Generator?

How Much Does It Cost to Install a Home Generator?Demand for home standby generators has increased since the devastation by various hurricanes and tropical storms in recent years. In South Florida, one thing you can count on is a power outage at least every few years. When it happens, though, it could last for days or even weeks, and being without power for that length of time is inconceivable for most homeowners. The solution, of course, is a home backup system. But how much does it cost to install a home generator?

Generator Size

The primary factor influencing the cost is the size system you choose. You’ll need to decide whether you want to power only a few emergency circuits, in which case you need a basic system. Your second option is a managed load generator that can power the lights and most of your electrical appliances, swopping between them by means of a transfer switch. Your third option in home standby generator is one that can power your entire home. The size of this is also based on the number of electrical devices that you expect to use simultaneously.


The spot where you want to have your generator located affects how much to install a home generator. The easier it is to access, the lower your labor costs are likely to be. In addition, the closer it is to your house the less material is required for connection purposes, which also reduces the installation expenses. You need to find a level area of ground where the generator can fit in with the aesthetics of the surrounding garden but still deliver power directly to your home.

Supply and Installation

A home standby generator should always be installed by a qualified professional. As electrical equipment that produces voltage and runs on either liquid fuel or natural gas, it can be hazardous if installed by someone who isn’t familiar with the process. Installation costs usually include all the wiring and cables needed to connect the generator and to bring it online and make it fully operational.


The purchasing and installation cost of a home standby generator falls within the following ranges:

  • Basic Generator                   $4,000 to $7,500
  • Managed Load Generator  $7,000 to $10,000
  • Whole-Home Generator     $8,000 to $22,000

You’ll also need to factor in ongoing maintenance and fuel costs, regardless of the type of fuel you use. Most installers offer service contracts to keep your home standby generator running smoothly throughout the year.

These costs are only guidelines because every installation is different. To get true indication of how much to install a home generator for your particular situation, contact us for a free consultation and estimate.


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