Greentech Media recently updated their list of solar industry startups. Not surprisingly, there are a lot of them. At least 200 who are willing to tell the world about their plans, goodness knows how many more in stealth mode.
Most new businesses fail, so many of these won't live long enough to grow up. But without entrepreneurs willing to take the chance, the Intels and Apples and Googles of tomorrow would never see the light of day.