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Table 1 Summary of optimal portfolio statistics

From: Pathways to specialized renewable energy generation: insights from integer portfolio optimization in a globalized electricity market

  

Climate information

 

Installed capacity (MW)

Source

n

Mean

Standard deviation

Coef. variation

Median

Min

Max

Total

Mean

Standard deviation

Coef. variation

Median

Min

Max

       

q = 5

      

Wind

2

6.2

2.5

39.9%

6.1

0.5

17.3

254.4

127.2

72.8

57.2%

127.2

54.4

200.0

Hydro

1

1.3

1.8

135.9%

0.7

0.0

20.9

184.4

184.4

0.0

0.0%

184.4

184.4

184.4

Solar

2

9.1

8.7

95.7%

6.3

0.0

41.6

140.0

70.0

30.0

42.9%

70.0

40.0

100.0

       

q = 30

      

Wind

8

6.4

2.5

39.2%

6.3

0.3

17.6

538.0

67.3

30.8

45.8%

66.0

6.3

100.0

Hydro

10

1.5

1.9

133.6%

0.7

0.0

26.6

699.0

69.9

80.5

115.0%

35.0

4.0

261.0

Solar

12

9.0

8.8

98.1%

6.2

0.0

41.6

515.0

42.9

38.2

88.8%

23.4

1.0

100.0

       

q = 60

      

Wind

17

6.3

2.5

39.7%

6.1

0.3

17.6

1080.0

63.5

34.5

54.3%

50.4

3.0

120.0

Hydro

17

1.6

2.1

133.8%

0.8

0.0

34.5

6524.0

383.8

791.6

206.3%

26.0

2.0

3200.0

Solar

26

9.0

9.0

99.3%

6.1

0.0

41.8

1176.0

45.2

61.8

136.7%

22.0

0.0

300.0

       

q = 100

      

Wind

25

6.3

2.5

39.9%

6.1

0.3

17.6

1610.0

64.4

33.6

52.1%

53.0

3.0

121.8

Hydro

17

1.5

2.1

134.1%

0.8

0.0

34.5

7133.0

419.6

789.5

188.2%

44.0

2.0

3200.0

Solar

29

9.0

9.0

99.7%

6.1

0.0

41.8

1310.0

45.2

60.2

133.3%

22.0

0.0

300.0

  1. This table shows the summary statistics within each optimal portfolio when q = 5, q = 30, q = 60, and q = 100. On the left side is the climatic information, and on the right side is the installed capacity. Wind: meters per second (m/s). Hydroelectricity (hydro): precipitation in millimeters (mm). Solar: joules per square meter (J/m2)
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