Savings and payback calculator
Enter your annual usage, electricity price, and estimated solar coverage. See the yearly savings, 10-year savings, and payback years.
Formulaannual savings = annual kWh × coverage × price/kWh
Your inputs
Savings per year
188 €
Savings over 10 years
1.875 €
Payback
8.0 years
Methodology and assumptions
Annual savings = annual kWh × solar coverage × price per kWh. Simple estimate that ignores panel degradation (~0.5%/year), electricity price growth, and incentives/rebates. For a real budget, ask an installer.