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 Size | System Size | Before Incentives | After 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 usage | 14–18 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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