New Investments in Renewable Energy by Energy Sources (Billion USD)

This is a list of energy sources by the annual amount of money invested in technological development. As the list reveals, Solar Power has passed wind power in 2010 as the most attractive renewable energy source to invest in. The strong growth that the solar energy sector has experienced over the last years is a contributing factor. More information about the growth of renewable energy sources can be found in our list of the fastest growing alternative energy sources by capacity. 

Technology

2004

2005

2006

2007

2008

2009

2010

2011

2012

Solar Power

12.3

16.4

22.1

39.1

59.3

62.3

99.9

158.1

140.4

Wind Power

14.4

25.5

32.4

57.4

69.9

73.7

96.2

89.3

80.3

Biomass and waste-to -energy

6.3

8.3

11.8

13.1

14.1

13.2

13.7

12.9

8.6

Hydro <50 MW

1.5

4.6

5.4

5.9

7.1

5.3

4.5

6.5

7.8

Biofuels

3.7

8.9

26.1

28.2

19.3

10.6

9.2

8.3

5.0

Geothermal Power

1.4

0.9

1.4

1.8

1.8

2.7

3.5

3.7

2.1

Ocean Energy

0.0

0.1

0.9

0.7

0.2

0.3

0.2

0.3

0.3

Total New Investment

39.6

64.7

100.0

146.2

171.7

168.2

227.2

279.0

244.4

Sources: Rebewables 2013 Global Status Report: ren21.net