Typical cost
$7,338–$14,432
Average $10,821
National price data from Angi (HomeAdvisor), 103 projects. Updated June 2026.
Most people pay $7,338–$14,432, about $10,821 on average. Enter your ZIP to compare free quotes from top-rated pros near you.
Most people pay $7,338–$14,432 for whole-house generator. Compare free quotes from local pros below to see what your project will cost near you.
| Generator Size in kW | Unit Cost Range |
|---|---|
| 1–6 | $500–$1,800 |
| 7.5–10 | $2,000–$3,500 |
| 14–18 | $4,000–$5,500 |
| 20–24 | $5,000–$6,500 |
| 26–32 | $6,500–$15,000 |
| 36–38 | $14,000–$16,000 |
| 45–48 | $16,200–$21,000 |
Describe your whole-house generator project once and see who's available. Compare prices before you decide. No cost, no obligation.
julie shrewsbury says, “Justin is the trusted expert you can rely on for your electrical and generator needs.”
Oscar M. says, “I couldn’t be happier with the work done by Lumin Electric for my EV charger installation. From the first contact to the final inspection, everything was handled professionally and efficiently. The team was punctual, knowledgeable, and took the time to explain the process clearly. The installation was clean, neat, and completed exactly as promised. They even helped me optimize the charger placement for convenience. Highly recommend Lumin Electric to anyone looking for reliable, high-quality EV charger installation. A+ service!”
Noah P. says, “The installer arrived prepared, completed the replacement efficiently, and made sure everything was working properly before wrapping up. It’s refreshing to experience this level of customer service and professionalism. I truly appreciate how smoothly everything was handled and would highly recommend them to anyone looking for reliable, responsive, and professional service. Great job!”
Marina T. says, “When we were building our home, David and his team made our experience enjoyable and stress free. They did the trenching, EV charger, outdoor lighting, surge protector, rough in and trim out. David was also able to recommend some custom lighting (like light up staircase and halo lights) that has made our home more high end and people always in aww of the beautiful work. He is punctual, professional and communicated throughout the process. We use him for all of our electrical work and wouldn't trust anyone else to take care of our electrical needs like he does.”
Answers to commonly asked questions about whole-house generator near you.
Most people pay $7,338–$14,432 for whole-house generator, based on national price data from Angi (HomeAdvisor). The average is about $10,821. Small jobs can cost as little as $6,019, while large or complex ones can reach $15,799. Right now, local pros on this page list starting prices from $150.
In the "Capacity" comparison, 1–6 is the least expensive at $500–$1,800, and 26–32 costs the most at $6,500–$15,000.
Get quotes from at least three electrical pros, share photos and measurements up front, and ask what each quote includes (materials, labor, travel, cleanup). Prices well below $7,338 can mean a smaller scope or lower-quality materials.
Yes. Comparing pros and requesting quotes on Project Mate is free with no obligation. You only pay the pro you hire.
“Justin is the trusted expert you can rely on for your electrical and generator needs.”
“I couldn’t be happier with the work done by Lumin Electric for my EV charger installation. From the first contact to the final inspection, everything was handled professionally and efficiently. The team was punctual, knowledgeable, and took the time to explain the process clearly. The installation was clean, neat, and completed exactly as promised. They even helped me optimize the charger placement for convenience. Highly recommend Lumin Electric to anyone looking for reliable, high-quality EV charger installation. A+ service!”
“The installer arrived prepared, completed the replacement efficiently, and made sure everything was working properly before wrapping up. It’s refreshing to experience this level of customer service and professionalism. I truly appreciate how smoothly everything was handled and would highly recommend them to anyone looking for reliable, responsive, and professional service. Great job!”
“When we were building our home, David and his team made our experience enjoyable and stress free. They did the trenching, EV charger, outdoor lighting, surge protector, rough in and trim out. David was also able to recommend some custom lighting (like light up staircase and halo lights) that has made our home more high end and people always in aww of the beautiful work. He is punctual, professional and communicated throughout the process. We use him for all of our electrical work and wouldn't trust anyone else to take care of our electrical needs like he does.”
| Brand | Starting Cost |
|---|---|
| Champion | $2,000 |
| Briggs & Stratton | $3,150 |
| Generac | $6,000 |
| Cummins | $3,700 |
| Honda | $1,310 |
| Fuel Type | Average Cost Range |
|---|---|
| Natural gas | $2,000–$21,000 |
| Liquid propane | $2,000–$21,000 |
| Diesel | $3,000–$20,000 |
| Gasoline | $500–$3,000 |
| Solar | $2,000–$25,000 |
| Battery backup | $10,000–$25,000 |
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Get free quotesThe ranges on this page are national figures published by Angi (HomeAdvisor), most recently updated June 2026. The typical range is what most customers paid; low and high ends are the cheapest and most expensive jobs reported. The starting prices in the pro list are set by each pro and reflect your ZIP code.
Based on starting prices listed right now by 3 electrical pros who serve 78701. Pricing depends on the scope of the job, materials, travel, and timing. Share the details of your project with a few pros to compare quotes.
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Compare ratings, reviews, and hires from the best-rated electrical pros near you, including similar jobs done nearby.