Power yield for all panels over the complete time: 6933.69 kWh
Power consumption over the complete time: 4895.85 kWh
Total power cost is assumed as 0.27€/kWh
Total power consumption: 4895.85kWh
Total solar yield: 6933.69kWh
Total solar self consumed: 1950.02kWh
Total solar not self consumed: 4983.67kWh
Total power bought: 2945.83kWh
Total cost so far: 1321.88€
Total cost saved: 526.51€
Total power sold: 682.31€
Total cost saved: 91.45%
Given the current numbers, the PV installation will refinance itself in 5.79 years
Given a life expectance of 25 years, the PV installation will earn 23221.43€ (928.86€ / year) after refinance(!)
This results in a yearly return of investment of 13.27% given the initial investment of 7000€ and a life span of 25 years.
Total power cost is assumed as 0.54€/kWh
Total power consumption: 4895.85kWh
Total solar yield: 6933.69kWh
Total solar self consumed: 1950.02kWh
Total solar not self consumed: 4983.67kWh
Total power bought: 2945.83kWh
Total cost so far: 2643.76€
Total cost saved: 1053.01€
Total power sold: 682.31€
Total cost saved: 65.64%
Given the current numbers, the PV installation will refinance itself in 4.03 years
Given a life expectance of 25 years, the PV installation will earn 36389.66€ (1455.59€ / year) after refinance(!)
This results in a yearly return of investment of 20.79% given the initial investment of 7000€ and a life span of 25 years.
Total power cost is assumed as 0.81€/kWh
Total power consumption: 4895.85kWh
Total solar yield: 6933.69kWh
Total solar self consumed: 1950.02kWh
Total solar not self consumed: 4983.67kWh
Total power bought: 2945.83kWh
Total cost so far: 3965.64€
Total cost saved: 1579.52€
Total power sold: 682.31€
Total cost saved: 57.04%
Given the current numbers, the PV installation will refinance itself in 3.09 years
Given a life expectance of 25 years, the PV installation will earn 49556.7€ (1982.27€ / year) after refinance(!)
This results in a yearly return of investment of 28.32% given the initial investment of 7000€ and a life span of 25 years.