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Solar is so popular right now, we're facing a shortage of panels!

From glut to shortage for first time since 2006 It's worth repeating again and again: The price per watt of solar power is going through the floor while worldwide installed capacity is going through the roof (up 53x in the past 9 years!). This is great for the environment, because for each solar panel that goes up, demand for electricity from dirty sources goes down, causing a great virtuous cycle of demand destruction. But there are limits to how fast an industry can grow, and we're apparently starting to hit those limits, at least temporarily, and production will need to further increase to keep up. Demand is expected to go up 29% this year, so it's not surprising that supply has a hard time keeping up. That's exactly why Elon Musk and SolarCity say that we will need many solar gigafactories. The last time supply was tight, in 2006, the solar industry installed about 1.5 gigawatts that year. Contrast with today: The industry expects to install as much as 52 gigawatts this year and 61 gigawatts in 2015. That's about as much as is actually being produced by viable factories. via TreeHugger.

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