How Much Does Solar Panel Installation Actually Cost in 2026?
Solar quotes are hard to compare because the sales pitch usually hides the two things that matter most: system size ($/W) and financing terms.
Rough 2026 installed ranges (U.S.)
For a typical residential rooftop system:
- Cash price: often $2.25–$4.00 per watt installed
- A common 7–10 kW system: $16,000–$40,000 (before any incentives)
Battery add-ons can push totals much higher.
What drives the price
1) Roof complexity Steep, multi-plane roofs and fragile materials cost more.