projected research and development directions are indicated. Special aspects of the current evolution of photovoltaics from the … on the performances of cells and modules used in various research and commercial solar cell approaches. Current and … research laboratory to the commercial arena are discussed, including new programs directed to make this energy resource a …

bioenergy, photovoltaics and wind power. Mention is also made of other technologies that have so far been less developed or can … contribute to renewable energy research and how they could help promoting these sources. …