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Table 3 Summary of the south-facing single-sloped BIPV system performance under seven pitched roof scenarios

From: Performance of single-sloped pitched roof cadmium telluride (CdTe) building-integrated photovoltaic system in tropical weather conditions

Description and the parameters

Output values of the parameters studied in a single-sloped BIPV system

15° roof pitch

18° roof pitch

22° roof pitch

30° roof pitch

35° roof pitch

40° roof pitch

45° roof pitch

BIPV capacity as per the available area (kW)

7

7

7

7

7

7

7

In-plane irradiation (kWh/sq. m)

1780

1760

1740

1660

1610

1540

1470

Annual energy production (kWh)

9510

9410

9250

8830

8500

8130

7710

Angle of incidence losses (%)

− 3

− 3

− 3.1

− 3.4

− 3.6

− 3.8

− 4.2

Temperature and low irradiance losses (%)

− 8.6

− 8.6

− 8.6

− 8.7

− 8.8

− 8.9

− 9.1

Total losses (%)

− 23.68

− 23.63

− 24.06

− 24.02

− 24.58

− 24.59

− 25.08

Performance ratio (%)

76.32

76.37

75.94

75.98

75.42

75.41

74.92