John Ryden submits:
All of the solar cell manufacturers are supply constrained. The entire world produced a total of 3.8 Giga Watts [GW] of solar cells in 2007. The manufacturing capacity for solar cells is small compared to the capacity required by government initiatives to increase renewable power production.
Europe wants to produce 21% of its power from renewable resources. America and other countries like China are also seeking to expand renewable power initiatives. This creates huge demand. Worldwide electric production (2005) was 18,560,000 GW hours total. By my rough calculations, one year of solar cell production produces about 0.05% of total world electric production.
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