AJ, you really do not know what you are talking about. I have lived off-grid on solar for 15 years and have been installing solar systems for ten years. Anyone who knows even a little bit knows that solar energy is dramatically reduced by cloud. When a cold front comes over your energy intake can be reduced by 90% compared to what you get on a sunny day. If the the cloud is thinner then the reduction is more like 75%. 

This is why you need 5 days backup. This is like Grade 1 of understanding solar.

Anyway, your level of ignorance means that in effect you are now trolling these comments. You state things vehemently as truth when you actually don't understand. This is your renewable energy CV: "Or are you one of those silly people who thinks solar panels stop working when it's cloudy? They don't. In fact the effeciency loss is minimal" Silly indeed!

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