Cleantech IPOs may be gaining momentum.

Solar plant developer BrightSource Energy filed what is certain to be an explosive initial public offering last week. A couple months earlier biochemical maker Gevo launched its IPO to what proved to be a warm reception. Experimental algae-to-fuel company Solazyme is waiting in the wings.

Which company will be next? In November, Venture Capital Journal published a list of the most likely and lucrative cleantech IPOs of 2011. At the top of our list was BrightSource, so we are off to a good start.

Watch our slideshow to see the other six cleantech companies VCJ believes have a very good shot of going public this year. Our investment data comes from Thomson Reuters, publisher of this blog.

(This is Part 2 of a series of slideshows on cleantech investing.)

No. 6: Bloom Energy

Bloom Energy

  • Location: Sunnyvale, Calif.
  • Description: Develops fuel cells
  • VC Funding: $165.3M
  • VC Backers: Kleiner Perkins Caufield & Byers, Crown Capital, New Enterprise Associates, Mobius Venture Capital
  • Quick Take: Promising product and lots of buzz