17 Aug '11, 3pm

In a major blow to U.S. solar innovation, Evergreen Solar has declared Chapter 11 bankruptcy.

In a major blow to U.S. solar innovation, Evergreen Solar has declared Chapter 11 bankruptcy.

What's Happening from Environmental Building News Evergreen Solar Files for Bankruptcy By Paula Melton Evergreen's innovative ribbon process involves drawing filaments through molten silicon to create long ribbons. It uses far less silicon than other crystalline technologies, and the company claims it is less energy-intensive. In a major blow to U.S. solar innovation, Evergreen Solar, creator of low-cost ribbon technology for photovoltaic (PV) cells, has declared Chapter 11 bankruptcy. Evergreen was the only company using the proprietary ribbon technology, which involves drawing a wire through molten silicon to pull out polycrystalline ribbons; the cells have approximately 13% conversion efficiency—comparable to the efficiency of other polycrystalline technologies but with far less silicon. (See “Crystalline Technology Still Dominates PV Landscape ,” EBN July 2011.) The pr...

Full article: http://www.buildinggreen.com/auth/article.cfm/2011/8/16/E...

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