Calculate solar panel costs, savings, and payback period for your home. See ROI and available incentives. Updated for 2026.
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Key facts about going solar in your country
Average solar panel cost per watt installed
Average peak sunlight hours in United States
Average electricity price you pay
Rate for excess energy sold back
Cost estimates for common solar system sizes in United States
Estimated total installation cost
Payback: 0.7 years
Estimated total installation cost
Payback: 0.7 years
Estimated total installation cost
Payback: 0.7 years
Everything you need to know about solar panel costs
A typical 6kW solar system costs about $33,000 in United States. Prices vary based on system size, panel quality, and installation complexity.
In United States, the average payback period is 0.7 years for a 6kW system. After that, all electricity generated is essentially free.
A 6kW system in United States can save approximately $46,720 per year on electricity bills, plus additional savings from feed-in tariffs.
Many countries offer solar incentives including tax credits, rebates, and feed-in tariffs. Check with your local government for available programs in United States.
A typical home needs 15-25 panels (3-7kW system) depending on electricity usage, roof space, and sunlight hours. United States averages 5 peak sun hours per day.