Solar Panel Cost in 2026: Complete Pricing Breakdown
Transparent 2026 pricing for rooftop solar — panels alone, full installed systems, and the variables that move the number up or down.
Average installed cost
USA: $2.60–$3.50 per watt installed before incentives. A 7 kW system runs $18,000–$24,500 gross, or $12,600–$17,150 after the 30% federal tax credit.
India: ₹50,000–₹65,000 per kW installed. A 5 kW system runs ₹2.5–3.25 lakh before subsidy and ₹1.7–2.5 lakh after PM Surya Ghar.
What you're actually paying for
Panels are roughly 30% of the cost. Inverter is 10–15%, racking 5–10%, labor 15–20%, permits and interconnection 5–10%, and installer overhead and margin make up the rest.
Ways to reduce cost
Get 3+ quotes, choose string inverters over microinverters if your roof has no shade, finance with a green-energy loan to spread the cost, and time the install before incentive step-downs.
Frequently asked
- Why are solar panel costs so different between quotes?
- Equipment tiers, labor rates, warranty terms and overhead vary. Compare price per watt and warranty side-by-side, not just sticker price.
- Is the cost dropping?
- Panel prices have dropped 70%+ over the last decade, but installation labor and soft costs have plateaued. Net installed prices are roughly flat in 2026.
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