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Hey, John, thanks for the reply. If you are right on the reason, that just means to me that this is a problem that needs attention--to develop a reliable, low-cost tracking system. Only one-axis tracking is enough to gain 90% of the benefit. But, I would imagine that someone has already published a ...

I am no expert, just trying to understand. When I see pictures of large solar arrays, the panels are stacked together in a way that would make efficient solar tracking impossible. Tracking should allow efficient collection over a wider period of the day, thereby reducing the need for expensive storage. ...