Global clean energy finance and investment grew considerably in 2010 to $243 billion, a 30 percent increase from the previous year. China, Germany, Italy and India are among the nations that most successfully attracted private investments; points out a new research by The Pew Charitable Trusts.

The report ranked India at the 10th position for its five year growth rates in renewable energy capacity and seventh position worldwide in the amount of installed capacity. The list is dominated by China with its record $54.4 billion in investments in 2010 represents, a 39 percent increase from 2009. Germany came second in the G-20, up from third last year, after experiencing a 100 percent increase in investment to $41.2 billion. While U.S. lost its second position and settled with a third. U.S. had maintained the top spot until 2008, till China displaced it.

United Kingdom experienced the largest decline among the G-20, falling from fifth to 13th. According to the report the uncertainty surrounding clean energy policies in countries like UK is causing investors to look elsewhere for opportunities.