should I invest in clean energy stocks

Clean energy stocks are looking sweet for investors in the long term. That's because clean energy will account for 33% of all U.S. electricity generation by 2016 - up from 16% today, according to the Energy Information Administration.

Moreover, solar, wind, and geothermal production are expected to double over the next 25 years, according to the same report.

The following are clean energy stocks that promise to benefit most from the alternative energy industry's burgeoning inclusion into our daily lives...