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Table 6 Results

From: Optimisation of photovoltaic and battery systems from the prosumer-oriented total cost of ownership perspective

 

Size of PV system (kWp)

No PV

4.88

7.32

9.76

Annuity

Battery

Annuity

Self-sufficiency

Battery

Annuity

Self-sufficiency

Battery

Annuity

Self-sufficiency

Household size

1 person

1714

kWh

− 511.97

0

− 387.24

47.37%

0

− 302.07

49.58%

0

− 219.71

50.83%

6

− 776.95

86.20%

6

− 695.09

91.54%

6

− 622.19

94.80%

10

− 992.72

87.36%

10

− 909.5

92.61%

10

− 836.6

95.83%

16

− 1258.86

88.16%

16

− 1174.8

93.31%

16

− 1102.14

96.53%

2 persons

2812

kWh

− 839.94

0

− 640.39

43.82%

0

− 547.94

46.79%

0

− 461.07

48.54%

6

− 988.44

75.86%

6

− 887.97

82.84%

6

− 802.93

86.85%

10

− 1200.98

77.35%

10

− 1098.79

84.79%

10

− 1011.34

88.96%

16

− 1465.53

77.84%

16

− 1362.6

85.67%

16

− 1274.04

90.28%

3 persons

3704

kWh

− 1106.38

0

852.65

41.40%

0

− 752.98

44.84%

0

− 661.92

46.87%

6

− 1177.93

69.03%

6

− 1062.26

76.69%

6

− 968.14

81.18%

10

− 1387.15

70.63%

10

− 1268.25

79.17%

10

− 1169.87

84.08%

16

− 1649.99

71.45%

16

− 1529.78

80.29%

16

− 1430.33

85.43%

4 persons

4432

kWh

− 1323.84

0

− 1029.69

39.67%

0

− 923.41

43.41%

0

− 828.44

45.64%

6

− 1341.68

64.45%

6

− 1215.03

72.41%

6

− 1113.96

76.93%

10

− 1545.62

66.22%

10

− 1415.1

75.08%

10

− 1307.67

80.46%

16

− 1805.95

67.44%

16

− 1674.87

76.24%

16

− 1565.92

81.81%