Despite several bankruptcies recorded in 2011 with several U.S. manufacturers of solar modules, such as Solyndra, which was supported by the US government, the development of renewable energy continues to rise towards, however the context is not favorable.

According to the Solar Energy Industries Association (SEIA), the installed capacity of solar panels in 2011 saw an increase of 109% compared to 2010, which corresponds to a peak of 1,855 megawatts. Note that the sector has greatly benefited from falling prices of photovoltaics.

The market for photovoltaic solar energy accounted for more than $8.4 billion in 2011. SEIA explains this enthusiasm by the combination of falling prices of photovoltaic (- 20%) with better funding, a request for larger installations in size, and the expiration of government subsidies to 31 December 2011.

“The United States continue to drive innovation in the global solar energy” said Rhone Resch, president of SEIA. “Even if the solar panels are becoming more goods abroad, the United States are developing advanced solar components and continue to post double-digit annual growth.” It also expects that solar energy, which now accounts for less than 1% of the electricity produced in the United States, increased to 10% by 2020.

“There is no bubble in the clean technology sector, ready to burst” he has said, although he warns, more companies are likely to fail if an industry has matured and government subsidies in constant decline.

The installed capacity of wind power has also increased, from 31% last year, according to the latest figures from AWEA.

Finally, the amount injected into the technology called “clean” from $3.8 billion in 2010 to $4.3 billion last year, according to figures provided by the representative investor (National Venture Capital Association) .

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