Not all that important, but working in the power sector I'd like to know where you got the low efficiency # for hydro (6.5%). Since hydro is purely mechanical/potential energy in nature, it should be incredibly efficient. I've seen #'s like 50% to 90% of potential energy is converted into electricity, depending on the size and application. Just curious where you got your # from. Even solar power (commercial not cutting edge) is now over 10% efficient based on the stuff I've seen.
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Just looked it up though ... Canada is 59% hydro, but the bigger picture, the US is 71.1% reliant on fossil fuels to generate electricity. They're just not ready to make that move. It's still wildly ineffecient. (Hydro only 6.5%). All numbers 2004 so obviously the ratios have changed.
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