Solar payback calculator
Your roof, your money
Enter your ZIP and system size — get real solar payback for your location, priced against the actual utility that serves you, with measured NREL PVWatts production. No sign-up.
PVWatts production works worldwide; the named utility rate is US-only (enter your ¢/kWh manually elsewhere).
Enter a postal code above to see your solar payback and 25-year savings.