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How much does roof replacement cost?
Quick answer
It costs $18k–$35k to install a solar system in the US. Size, materials, region, and scope drive the spread; expect the midpoint to land near $26.5k for a typical job.
Typical cost range
$18,000–$35,000
Timeline
1–3 days install; 4–10 weeks to permit and energize
Lifespan
Panels 25–30 years; inverters 10–15; batteries 10
ROI / value
7–11 year payback after the 30% federal credit
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Solar cost?

It costs $18k–$35k to install a solar system in the US. Size, materials, region, and scope drive the spread; expect the midpoint to land near $26.5k for a typical job.

Average solar cost?

The national average to install a solar system is about $26.5k. Half of homeowners pay between $18k and $35k depending on scope, materials, and region.

Solar cost by size?

Small jobs run roughly $18k; mid-size jobs land near $26.5k; large or premium scope can exceed $35k. Size, finish level, and labor rate are the three biggest cost levers.

Solar cost for a small home?

For a small home, expect to pay near the low end - roughly $18k–$23.4k. Less square footage, fewer fixtures, and simpler access all cut labor hours.

Solar cost for a large home?

For a large home, costs typically run $28k–$35k or more. Larger areas mean more materials, more labor hours, and often premium finishes that bump the per-unit cost.

Cheapest solar options?

The cheapest solar system options start near $18k. Save by choosing builder-grade materials, keeping the existing layout, and bundling the work in the shoulder season.

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How much does roof replacement cost?