About the Wind Turbine Payback Calculator
Payback period and lifetime return for a wind turbine installation.
Also known as: wind turbine roi, is a wind turbine worth it, turbine break even, wind investment return.
How to use this calculator
- Enter installed cost, annual generation, value per kwh, annual maintenance and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
payback = cost ÷ (generation × rate − maintenance)
Worked example
Using the values pre-filled in the calculator above:
- Installed cost = 25,000
- Annual generation = 12,000 kWh
- Value per kWh = 0.2
- Annual maintenance = 600
- Expected life = 20 years
- Annual energy price rise = 4 %
the calculator returns:
- Payback period: 10.74 years
- First-year net income: 1,800
- Lifetime net income: 59,467.39
- Net gain: 34,467.39