TaeKwonDood writes: Solar power is booming. Imports from China were a tepid $21 million in 2005 but in 2011 installations totaled nearly $2.7 billion. That’s a huge win. And just as advocates for solar power had hoped, a larger market drove down prices. Solar energy cost has declined by two-thirds in the last four years, meaning it will soon start to close in on fossil fuels.