Photovoltaic Calculator
Calculate the yield and profitability of your solar system. With self-consumption, feed-in tariff and payback period.
Gesamtkosten
14.000,00 €
10,0 kWp x 1.400,00 €
Jährlicher Ertrag
10.000 kWh
Eigenverbrauch: 3.000 kWh | Einspeisung: 7.000 kWh
Annual Savings
1.612,10 €
im ersten Jahr
Payback Period
ca. 8,9 Jahre
Gewinn nach 20 Jahren
16.755,49 €
Gesamtersparnis: 30.755,49 €
CO2-Einsparung (20 Jahre)
76,3 t
ca. 400 g/kWh Strommix
Hinweis: Diese Berechnung dient zur Orientierung. Die tatsächlichen Erträge haengen von Dachneigung, Ausrichtung, Verschattung und weiteren Faktoren ab. Strompreisänderungen und Wartungskosten sind nicht berücksichtigt. Einspeisevergütung gemäß EEG 2024 für Anlagen bis 10 kWp.
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
Frequently Asked Questions
Is a solar system still worthwhile?
Yes, solar systems typically pay for themselves in 8-12 years. With current electricity prices and falling module costs, the return on investment is 5-8%. Since 2023, there is no VAT on residential systems up to 30 kWp.
How much does a photovoltaic system cost?
A typical residential system (5-10 kWp) costs 8,000-15,000 euros including installation. With a battery storage (5-10 kWh), add another 5,000-10,000 euros. Prices have fallen significantly in recent years.
What is the Photovoltaic Calculator?
The photovoltaic calculator computes the yield, self-consumption, feed-in tariff and financial viability of a solar system for your roof.
How does the Photovoltaic Calculator work?
Enter the system capacity, location and roof orientation. The calculator determines the annual yield, self-consumption share and feed-in revenue. The payback period is calculated from investment costs and annual income.
Key Data and Facts
Feed-in tariff 2025 (partial feed-in up to 10 kWp): 8.03 ct/kWh. System costs: 1,200-1,800 euros/kWp. VAT exemption for PV up to 30 kWp. Yield in Germany: 900-1,100 kWh/kWp.
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