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by sleidman on May 15th, 2007

sleidman

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What is the best alternative energy source in your opinion?

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  • by creative-energy on April 6th, 2009

    creative-energy

    I think wind has the edge today. I read that a province in Germany gets 1/3 of its energy from wind.

    However, solar seems to be on the edge of an efficiency breakthrough and has the potential to be much cheaper than wind.

    Nonetheless, there are places where geothermal is the best and cheapest, even cheaper than coal or nuclear. All you need is proximity to volcanically active areas. Hawai, Alaska and Wyoming could easily get ALL their electricity from geothermal. In my country we get ALL our energy from geothermal and hydro-dams. In addition to the electicity you can use the high pressure warm water (almost boiling) to warm up the houses (not that you need that in Hawai I guess), so that also saves electricity. No recerch is needed, all the technology exists today and is being used.

    Thus, geothermal is very cheap, effective and without any pollution at all, but only available in certain areas. Ok tecnically it is everywhere if you just drill deep enough. But places like the ones I mentioned are much more suitable than others, and for them geothermal is like an untapped goldmine. I am not exaggerating.

    If you come from such a place geothermal is the best sorce of renewable energy.


    Hydro. The amount of electricity depends on the size obviously so they vary greatly on that scale. They are relatively cost effective, but there might be limits to how many rivers or lakes can be utilized. There is a slight downside to. While hydro is "cleaner" than coal or nuclear, it is not without an environmental cost. Large dam projects, can take up considerable large areas of land and disturb wildlife to some extent. The environmental cost must be judged case by case and in relation to the alternatives.

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