Solar Cost & Savings

Solar Panel Cost in Naperville, IL

2025 pricing breakdown for Naperville homeowners — before and after the 30% federal tax credit and Illinois incentives.

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$30$500+
11 kW
System Size
🏷️
$31,900
Total Cost
💰
$22,330
After 30% ITC
📈
$1,620
Annual Savings

Estimated payback period

13.8 years

Then 15+ years of essentially free electricity

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2025 Pricing

Naperville Solar Installation Costs by Home Size

Average installed costs from local Naperville solar companies, before and after the 30% federal ITC.

Home SizeSystem SizeBefore IncentivesAfter 30% ITC
Small home (under 1,500 sqft)5–6 kW$15,000–$19,000$10,500–$13,300
Medium home (1,500–2,500 sqft)7–9 kW$21,000–$27,000$14,700–$18,900
Large home (2,500–4,000 sqft)10–13 kW$30,000–$39,000$21,000–$27,300
Very large / high usage14–18 kW$42,000–$54,000$29,400–$37,800

* Prices are averages from Naperville-area installers as of 2025. Actual quotes may vary based on roof type, shading, and electrical upgrades needed.

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