Calculator
How much can you save?
Estimate the yearly yield, your savings and the payback time — for a balcony power plant or a complete rooftop system.
Your estimate
Savings per year
€154
- Yield per year
- 536 kWh
- Approx. investment
- ≈ €360
- Payback time
- 2.3 years
- CO₂ avoided per year
- 204 kg
Savings over 20 years€2,726
Estimate based on average yields and typical self-consumption. Actual results depend on shading, tilt, consumption profile and prices. Investment = typical component prices at 0 % VAT.