⚡ Electrical · Aurora, IL

How Much Does It Cost to Install a Whole House Generator in Aurora, IL?

Local pricing for the Chicago-Naperville metro area · Updated April 2026

Low End
$6,260
Basic install
Average Cost
$12,520
Most homeowners pay this
High End
$26,090
Complex install
$4,380
Labor (35%)
$8,140
Materials (65%)
1–3
Days to complete

Prices estimated using the NailThePrice Local Cost Model™ — national averages adjusted for Aurora's labor rates, cost of living, and material pricing.

How Much Does Each Part of Whole house generator installation Cost?

The cost to install a whole house generator in Aurora ranges from $6,260 to $26,090, with most homeowners paying around $12,520. Your actual cost depends on several factors specific to your home and the Chicago-Naperville market.

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Generator Size (Kw)

A 10kW unit for essentials costs far less than a 22kW+ unit that powers an entire home including HVAC and electric ranges.

Fuel Type

Natural gas generators cost less to install if a gas line exists, while propane requires a tank ($500–$2,000) and LP requires a dedicated supply.

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Transfer Switch Type

Automatic transfer switches cost more than manual ones but provide seamless power switchover within seconds of an outage.

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Gas Line Installation

If no gas line exists near the generator pad, running a new line can add $500–$2,000 depending on distance from the meter.

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Concrete Pad

Most generators require a level concrete pad — existing flat surfaces save $300–$500 versus pouring a new pad.

The Midwest has a strong pool of skilled tradespeople, and labor rates tend to be moderate compared to coastal cities. Union and non-union shops both compete, giving homeowners options on pricing.

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Permit Required in Aurora

Budget $108–$540 for permits and inspections. Your contractor typically handles the permit process, but confirm this upfront.

How Does Aurora's Climate Affect Whole house generator installation?

In cold climates, expect additional costs for heated conduit runs, insulated wire, and work scheduling around freezing temperatures. Winter installations may cost 10–15% more due to shorter workdays and weather delays.

Can You DIY Whole house generator installation or Should You Hire a Pro?

🚫 Not a DIY Project

This project requires a licensed professional in Aurora. Attempting whole house generator installation without proper licensing can void insurance and create serious safety hazards.

How Can You Save Money on Whole house generator installation in Aurora?

Get Free Quotes from Aurora Pros

Compare prices from licensed, insured contractors in Chicago-Naperville.

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Common Questions About Whole house generator installation in Aurora

How much does it cost to install a whole house generator in Aurora, IL?

The average cost to install a whole house generator in Aurora ranges from $6,260 to $26,090, with most homeowners paying around $12,520. This estimate includes both labor ($4,380) and materials ($8,140). Costs in Aurora are near the national average due to local cost of living and labor market conditions. Get multiple quotes from licensed Aurora contractors to lock in the best price.

Is a permit required for whole house generator installation in Aurora?

Yes, Aurora typically requires a permit for whole house generator installation. Budget $108–$540 for permit fees and expect 1–2 weeks for approval. Your contractor typically handles the permit application. Working without a required permit can void warranties and create problems when selling your home.

How long does whole house generator installation take in Aurora?

Most whole house generator installation projects in Aurora take 1–3 days to complete. The timeline depends on project scope, contractor availability in the Chicago-Naperville metro area, and seasonal demand. Scheduling during Aurora's off-peak season (typically fall and winter) can reduce wait times and may lower costs.

What size whole house generator do I need?

For essential circuits (fridge, lights, sump pump), 10–14kW is sufficient. To power your entire home including central AC, plan for 20–26kW. Your electrician can calculate your exact load requirements.

How much does it cost to run a whole house generator?

Running costs depend on fuel type and load. A 20kW natural gas generator running at half load costs roughly $3–$5 per hour. Annual maintenance runs $200–$500 for oil changes, filters, and inspection.

What Do Other Projects Cost in Aurora?

How Much Does Whole house generator installation Cost in Nearby Cities?

Install a Whole House Generator in Chicago, IL — $12,740 Install a Whole House Generator in Naperville, IL — $13,050 Install a Whole House Generator in Rockford, IL — $11,020 Install a Whole House Generator in Joliet, IL — $12,330 Install a Whole House Generator in Springfield, IL — $10,940
Published March 2025 · Updated April 14, 2026 · Cost data based on local labor rates and market conditions in the Chicago-Naperville metropolitan area.