SolarPayback
Free solar panel payback calculator — see your break-even period in your browser.
Runs locally in your browser — no upload, no trackingMain Calculator
Solar Panel Payback Calculator
Estimate your solar panel payback period, annual savings and 25-year return. Free calculator with federal tax credit, net metering and state incentives.
By state
Solar Payback Calculator California – 6 kW System
Estimate your solar panel payback in California: a 6 kW system at 5.5 peak-sun hours and $0.30/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Texas – 6 kW System
Estimate your solar panel payback in Texas: a 6 kW system at 5 peak-sun hours and $0.15/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Florida – 6 kW System
Estimate your solar panel payback in Florida: a 6 kW system at 5.3 peak-sun hours and $0.15/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Arizona – 6 kW System
Estimate your solar panel payback in Arizona: a 6 kW system at 6.5 peak-sun hours and $0.15/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator New York – 6 kW System
Estimate your solar panel payback in New York: a 6 kW system at 4 peak-sun hours and $0.25/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Nevada – 6 kW System
Estimate your solar panel payback in Nevada: a 6 kW system at 6 peak-sun hours and $0.16/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator North Carolina – 6 kW System
Estimate your solar panel payback in North Carolina: a 6 kW system at 4.8 peak-sun hours and $0.14/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Colorado – 6 kW System
Estimate your solar panel payback in Colorado: a 6 kW system at 5.5 peak-sun hours and $0.15/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Massachusetts – 6 kW System
Estimate your solar panel payback in Massachusetts: a 6 kW system at 4 peak-sun hours and $0.30/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator New Jersey – 6 kW System
Estimate your solar panel payback in New Jersey: a 6 kW system at 4.2 peak-sun hours and $0.18/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Illinois – 6 kW System
Estimate your solar panel payback in Illinois: a 6 kW system at 4.3 peak-sun hours and $0.16/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Georgia – 6 kW System
Estimate your solar panel payback in Georgia: a 6 kW system at 5 peak-sun hours and $0.14/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Ohio – 6 kW System
Estimate your solar panel payback in Ohio: a 6 kW system at 3.8 peak-sun hours and $0.15/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator Washington – 6 kW System
Estimate your solar panel payback in Washington: a 6 kW system at 3.5 peak-sun hours and $0.12/kWh, with local incentives. Runs 100% in your browser.
Solar Payback Calculator South Carolina – 6 kW System
Estimate your solar panel payback in South Carolina: a 6 kW system at 4.8 peak-sun hours and $0.14/kWh, with local incentives. Runs 100% in your browser.
By system size
Solar Payback Calculator 4kW – Break-Even Period
Estimate solar payback for a 4 kW system at 5.0 peak-sun hours and $0.17/kWh, with the federal tax credit and net metering. Runs in your browser.
Solar Payback Calculator 6kW – Break-Even Period
Estimate solar payback for a 6 kW system at 5.0 peak-sun hours and $0.17/kWh, with the federal tax credit and net metering. Runs in your browser.
Solar Payback Calculator 8kW – Break-Even Period
Estimate solar payback for a 8 kW system at 5.0 peak-sun hours and $0.17/kWh, with the federal tax credit and net metering. Runs in your browser.
Solar Payback Calculator 10kW – Break-Even Period
Estimate solar payback for a 10 kW system at 5.0 peak-sun hours and $0.17/kWh, with the federal tax credit and net metering. Runs in your browser.