How Much Does It Cost To Install A Standby Generator?


(7,000 watts with 50 amp transfer control)
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Standby Generator Costs

Professionals & Services Cost Guides      Electricians      Standby Generator Costs

A standby generator is in place to pick up the power demand when a grid outage occurs, thereby providing backup power automatically when needed.

You will find that the cost to install an average standby generator depends upon the power and class ratings, power transfer controls, job preparation and special requirements, and the labor rate.

In the following table the Labor Cost figure is what the able and prepared DIY persons should expect to save by performing the corresponding tasks.

Install backup generator: to automatically provide backup power with engine start and circuit transfer on grid outage; hard wired interface at home load center.

Item Unit Cost Quantity Line Cost
Engine generator set: outdoor pad-mounted, air-cooled with 7000 watts output; LP or natural gas fuel; rain-tight enclosure; 10 second backup response time; unit delivered and placed. $2,530 each 1 $2,530
Upgrade: additional cost to upgrade to a 100 amp, 16000 watt, engine generator set. $1,610 each 1 $1,610
Material Cost $4,140 each 1 $4,140
+ Labor Cost (electrical) $42 per hour 3 $126
Total Cost $4,266 each 1 $4,266

Other considerations and costs

  • Labor cost will rise with a “hidden” installation in a finished environment.
  • These prices are for service in the immediate service area of the provider.
  • Costs to install gas supply accessories are not included.
  • Taxes and permit fees are not included.

Check out our guide if you need a loan for your home improvement project.

DIY considerations

  • This project is somewhat suitable for DIY with good electrical skills and tools.
  • Electrical circuits and installations must comply with codes to reduce fire risk.


  • Craftsman Estimator Costbook, complete series year 2015.
  • Latest prices found on Home Depot and other vendor Web sites.
  • Literature review of DIY Web sites.
How much does it cost to install a standby generator in your city?
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Cost by city

(7,000 watts with 50 amp transfer control)
  • New York, NY$4,267
  • Bronx, NY$3,506
  • Brooklyn, NY$2,922
  • Philadelphia, PA$3,645
  • Washington, DC$3,163
  • Atlanta, GA$2,862
  • Miami, FL$2,603
  • Fort Lauderdale, FL$2,727
  • Minneapolis, MN$3,199
  • Chicago, IL$3,727
  • Houston, TX$3,844
  • San Antonio, TX$2,580
  • Austin, TX$2,922
  • Denver, CO$2,469
  • Phoenix, AZ$2,604
  • Las Vegas, NV$2,859
  • Los Angeles, CA$3,221
  • San Diego, CA$2,923
  • San Jose, CA$3,530
  • Seattle, WA$2,585

Local costs have been calculated by accounting for labor and material cost differences across different cities. To get accurate cost estimates, indicate yours: