What Is The Cost Of A Generac Generator?

by Anna

In an era where power outages can disrupt daily life and business operations, having a reliable backup power source is crucial. Generac generators have emerged as a popular choice for homeowners and businesses alike, offering a dependable solution to keep the lights on during unexpected power failures. However, understanding the cost of a Generac generator involves considering various factors, from the generator’s capacity to installation expenses and maintenance requirements. In this comprehensive guide, we will delve into the elements that contribute to the overall cost of a Generac generator.


Generator Capacity and Type

The first and foremost factor influencing the cost of a Generac generator is its capacity. Generators come in a range of sizes, measured in kilowatts (kW), indicating the amount of electrical power they can produce. The greater the capacity, the higher the cost. Residential generators typically range from 7 kW to 22 kW, while commercial or industrial generators can exceed 150 kW.


Generac offers various series of generators tailored to different needs. The Guardian series, for example, caters to residential applications, while the Protector series is designed for commercial and industrial use. Each series includes models with different capacities, allowing customers to choose a generator that aligns with their specific power requirements.

Fuel Type

Generac generators are available in different fuel types, including natural gas, liquid propane (LP), and diesel. The choice of fuel can significantly impact the upfront cost as well as the long-term operational expenses.

Natural gas generators are typically more affordable upfront, and the fuel supply is often readily available in residential areas. Liquid propane generators, on the other hand, offer flexibility in terms of fuel storage and can be a preferred option in areas where natural gas availability is limited. Diesel generators are known for their efficiency and durability but may come with a higher initial cost.

Installation Costs

Proper installation is critical to the performance and reliability of a Generac generator. Installation costs can vary depending on factors such as the complexity of the installation, local building codes, and the need for additional accessories like transfer switches.

For residential generators, installation costs may include the price of a concrete pad, electrical wiring, transfer switch installation, and labor charges. Commercial and industrial installations may involve more complex electrical systems, fuel storage solutions, and custom engineering, all contributing to higher installation expenses.

Automatic Transfer Switch

An essential component of a standby generator system is the automatic transfer switch (ATS). The ATS is responsible for monitoring the utility power supply and automatically switching to generator power in the event of an outage. The cost of an automatic transfer switch is an additional consideration when evaluating the overall expense of a Generac generator system.

The size and type of ATS needed depend on the generator’s capacity and the specific requirements of the electrical system. Advanced features, such as load shedding capabilities and remote monitoring, can also influence the cost of the automatic transfer switch.

Fuel Storage and Connection

For generators running on liquid propane or diesel, fuel storage becomes a significant factor in the overall cost. The size and type of fuel storage solution, whether it’s an underground tank, above-ground tank, or a portable system, can affect the upfront expenses. Additionally, the cost of connecting the generator to the fuel source, including piping and fittings, should be considered.

Maintenance and Warranty

While the upfront cost is a crucial consideration, it’s equally important to factor in the long-term costs associated with maintenance and warranty coverage. Generac generators are known for their reliability, but like any mechanical equipment, they require regular maintenance to ensure optimal performance.

The cost of maintenance may include routine inspections, oil and filter changes, and any necessary repairs. Generac offers various warranty options, and the type and duration of warranty coverage can influence the overall cost. Choosing a generator with a comprehensive warranty can provide peace of mind and potentially reduce future out-of-pocket expenses.

Regulatory Compliance and Permits

Before installing a standby generator, it’s essential to comply with local building codes and regulations. The cost of obtaining permits and ensuring compliance with zoning requirements can vary depending on the location and the complexity of the installation.

Certain areas may have specific regulations regarding noise levels, emissions, and setback distances from property lines. It’s crucial to factor in any additional expenses related to meeting these regulatory requirements when estimating the overall cost of a Generac generator.


In conclusion, determining the cost of a Generac generator involves considering a multitude of factors, from the generator’s capacity and fuel type to installation expenses, automatic transfer switch costs, fuel storage solutions, and ongoing maintenance. By carefully evaluating these elements and understanding the specific needs of the application, individuals and businesses can make informed decisions about the most suitable and cost-effective generator solution for their requirements. While the upfront investment may seem significant, the reliability and peace of mind provided by a Generac generator can prove invaluable during power outages, ensuring uninterrupted power supply when it is needed most.


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