
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 Los Alamos, NM 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 Los Alamos, NM 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 February 09, 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.

Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.

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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.

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