
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.

*The Angi rating for Generator Install companies in Plainfield, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in Plainfield, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on June 19, 2025
From average costs to expert advice, get all the answers you need to get your job done.

The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.

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Is a whole-house generator worth it? Discover the key factors influencing ROI and whether it's the right choice for your home.

Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.