http://www.earthscan.co.uk/news/article/mps/UAN/27/v/3/sp/332223698130342880338 has some 2003 data. It's doubled since then, with Japan increasing market share compared to the US and europe, and China entering the market. The US, which used to be 80% of world PV manufacturing only 15 years ago, is now down to 10 or 15%.[ Parent ]