Average Cost to install a backup generator in the US

Updated 2025

Estimate Breakdown

Alert Add all required items to calculate the estimated cost for the completed work.
material
$0.00
Backup Generator (material) Info
$30.00 × 1 EA
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Installation Supplies Info
$30.00 × 1 EA
$ × 1 EA
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labor
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Labor to Install Backup Generator Info
$30.00 × 1 HRS
$ × 1 HRS
$0.00
Demolition Labor (if required) Info
$30.00 × 1 HRS
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Finish Level Info
Project Size Info
EA
Contractor Markup: Info
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Avg. cost in United States $ 2,700.00
Avg. cost per EA: $225.05
Contractor Markup: $450.00
Alert The cost of installing a backup generator in United States, including materials and labor, ranges between $3916.00/EA and $11340.00/EA. The price depends on the type and capacity of the generator, the complexity of the installation, the need for additional electrical work, and any required permits. Site preparation and the distance from the main electrical panel can also impact the overall estimate.
Estimate Assumptions The costs associated with installing a backup generator are influenced by various factors, including the type and capacity of the generator, the complexity of the installation, and the need for additional electrical work. Additionally, site preparation and the distance from the main electrical panel can significantly impact labor costs. Therefore, it is essential to consider these elements when evaluating the overall investment in this project.
Project Timeline The timeline for installing a backup generator typically involves several key phases, including preparation, installation, and cleanup. Preparation may include site assessment and gathering necessary permits, while the installation phase encompasses the actual setup of the generator and its connection to the electrical system. Finally, cleanup ensures that the work area is left tidy and safe, which is crucial for maintaining a professional standard.
Backup Generator: Comprehensive Guide for Residential Contractors Installing a backup generator is a vital project for ensuring that essential systems and appliances remain operational during power outages. The choice of generator type and capacity should align with the specific needs of the household or business. This project not only involves the procurement of the generator itself but also requires careful consideration of installation supplies, such as wiring and transfer switches, to ensure a safe and effective setup.
Best Practices To ensure a successful installation of a backup generator, it is recommended to follow best practices such as conducting a thorough site assessment before installation, ensuring all necessary permits are obtained, and using high-quality materials for the installation. Safety measures should be prioritized, including proper electrical connections and testing the system post-installation to confirm its functionality. Additionally, coordinating with utility companies may be necessary to facilitate a smooth installation process.
Conclusion The installation of a backup generator is an important investment that enhances the resilience of a home or business against power outages. By understanding the various components involved, adhering to best practices, and considering the unique needs of the project, contractors can deliver a reliable solution that provides peace of mind and continuous power supply during emergencies.
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