Generac Generator Installation Cost

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$3,000 – $5,000 Installation Only$6,000 – $11,000 Whole-House Generator + Install. Home generator installation costs $6,000 to $11,000 on average, including the whole-house generator.

Standby backup generators cost $2,000 to $6,000 alone, and portable generators cost $500 to $2,500.

The cost to install a generator transfer switch is $400 to $2,000. Get free estimates from generator installers near you or view our cost guide below. Reviewed on September 9, 2020, by Tom Grupa and 5 Expert Generator Installers on HomeGuide.

Whole house generators cost $6,000 to $11,000 on average, including installation. Home generators cost $3,000 to $6,000 alone, and the cost to install a whole-house generator is $3,000 to $5,000. Generac generators cost $2,000 to $5,000 for a whole-house unit, without installation.

Standby generators can power select circuits or a whole home, depending on the generator's size in kilowatts (kW) and circuits in the transfer switch.

Home standby generators, also called backup or whole-house generators, are permanently wired into the electric panel and automatically turn on during a power outage. Whole-home generators cost $50 to $150 per day to run and provide a power source for up to 500 hours continuously or three weeks.

Standby generators last 15 to 30 years or 10,000 to 30,000 hours.

Portable generators cost $500 to $2,500 for a 5 to 10 kW unit, must be turned on manually, and can only power critical appliances and ten lights. Whole House Generator Cost. Generator Costs By Type. Generac Generator Costs. Generator Installation Costs.