Solar Cost FAQ
Each page below answers one question homeowners ask about solar prices. You get the answer up front, then the math behind it, built from EIA usage data, NLR's 2025 cost benchmark and NLR's PVWatts production model. For the full picture in one place, read our guide to how much solar costs in 2026.
One fact applies to every page: the 30% federal residential solar tax credit ended for systems placed in service after December 31, 2025. If you buy with cash or a loan in 2026, the prices below are what you pay before any state or utility incentives.
Questions
- How much do solar panels cost for a 2,000 sq ft house?
Usually $16,000–$36,400 for a 7–11 kW system, depending on climate. - How much do solar panels cost for a 1,500 sq ft house?
Usually $14,600–$32,800 for a 6–10 kW system, depending on climate. - How much does solar cost for a 1,000 sq ft house?
Usually $12,500–$27,900 for a 5–9 kW system, and more per watt than bigger systems. - Is 10kW enough to run a house?
Yes for the average U.S. home: 10 kW makes about 10,900–17,600 kWh a year. - What is the 33% rule in solar panels?
A fire-code roof limit: above 33% coverage, the ridge setback grows from 18 to 36 inches. - Is it cheaper to buy your own solar panels?
Up front, yes, but panels are under 10% of an installed system's price. - How much do solar panels cost without installation?
About $0.17–$1.22 per watt, or roughly $70–$490 for a 400-watt panel. - How much do solar panels cost per month?
About $140–$250 a month on a 20-year loan for a typical 8 kW system.