From September 2008 to September 2009, prices for photovoltaics fell by roughly 30 percent, but in October, it seems that prices began rising again. At present, a lot of the biggest names in the business are practically sold out and manufacturing at full blast. But the biggest shortage is in the inverters -- the equipment used to convert the direct current from the panels into alternating current for the grid.
It will be interesting to see how quickly prices rebound and how the rebound affects the expected reduction in the German feed-in tariff.
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