The all-in-one solar calculator for U.S. homeowners built on NREL PVWatts v8, EIA electricity rates, and Lawrence Berkeley install cost data. Tells you the system size, panel count, roof area, gross cost, payback period, 25-year savings, and CO offset for your location. Updated for the 2026 federal tax credit elimination.
Estimate your solar installation cost based on system size and location. Get price-per-watt estimates and total cost before and after incentives.
Calculate your solar panel installation cost based on system size, panel quality, and your state. Includes battery storage options and federal tax credit estimates.
The average cost for solar panel installation cost calculator in your area ranges from $1,000 to $15,000, with most homeowners paying around $8,000. Prices vary based on project size, materials chosen, and local labor rates.
Use our free solar panel calculator to estimate how many panels you need, your system size, cost, and payback period instant results for any US state.
