Table 6 Comparison of monthly, annual OTA and PV array power output for selected locations.

From: Optimizing tilt angle of PV modules for different locations using isotropic and anisotropic models to maximize power output

Month

Faisalabad

Lahore

Multan

RYK

Islamabad

Karachi

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

Monthly OTA

Annual OTA

PV Array Power Output

(kW)

(°)

(°)

Mon-OTA

An-OTA

(°)

(°)

Mon-OTA

An-OTA

(°)

(°)

Mon-OTA

An-OTA

(°)

(°)

Mon-OTA

An-OTA

(°)

(°)

Mon-OTA

An-OTA

(°)

(°)

Mon-OTA

An-OTA

1

52

30.5

12.99

11.68

51

30.25

13.35

11.76

51

29.33

13.46

12.09

51

28.66

16.76

15.7

55

33.34

12.59

11.58

48

25.5

21.46

20.33

2

44

19.95

17.09

45

18.99

16.55

43

20.5

17.53

43

24.72

21.61

48

16.59

14.64

40

27.7

24.41

3

33

26

21.02

32

26.16

21.07

31

26.55

21.38

31

31.5

25.48

34

24.23

19.43

28

35.27

28.59

4

21

33.29

25.76

21

33.53

25.95

20

33.58

26.03

19

37.3

28.79

24

33.01

25.3

16

41.21

31.78

5

12

36.75

34.77

12

35.49

33.69

11

37

35.12

9

40.52

38.28

14

37.89

35.27

6

42.58

40.46

6

7

37.13

35.2

7

35.55

33.83

6

37.39

35.56

5

39.77

37.67

10

39.2

36.11

1

39.15

37.46

7

9

34.82

33.08

9

32.69

31.24

8

34.96

33.32

6

35.2

33.64

12

36.82

34.35

3

30.49

29.5

8

17

33.79

32.49

16

30.64

29.49

16

34.06

32.81

14

34.61

33.29

19

32.91

31.43

10

29.75

28.92

9

29

29.93

29.74

29

28.49

28.33

28

30.34

30.17

27

32.62

32.37

32

29.97

29.745

22

33.03

32.64

10

40

22.15

18.47

40

22.07

18.38

39

22.62

18.85

39

25.75

21.81

44

22.18

19.01

36

28.71

24.32

11

48

15.13

13.04

48

15.22

13.08

47

15.56

13.4

48

19.62

17.5

50

15.95

13.69

46

22.99

21.56

12

54

12.41

11.26

53

12.83

11.46

52

13

11.67

52

16.37

15.19

58

12.17

12.01

50

19.76

19.22