
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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*The HomeAdvisor rating for Generator Install companies in , 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 January 12, 2026
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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