Is Solar Reliable When Grids Are Stressed?

14 Jul 2017   Prices, Solar

If you want more solar BTUs for your buck, track the sun. This generally means the array is on the ground since very few homes are set up for rooftop tracking. Some commercial buildings are suitable, but once you get up in the air, even one story, the wind load becomes a factor, and engineering an array (and the building itself) to stand up to the wind will probably be a money loser. There is another way to get more output from the same amount of space and that is by concentrating the light. PV panels are ‘one-sun’ arrays: what you see is what you get. Concentrators (many suns) come in a few different shapes and sizes, and they can magnify what the sun has on offer by a factor of several thousand. It is not that difficult to build a dish (it looks like a big DirecTV saucer, […]

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