How affordable is alternative energy?

mnn.com 27 Jul '12, 3pm

How affordable is alternative energy?

Alternative energy sources that are cost-competitive with fossil fuels may be closer to fruition than most people realize. Recent renewable energy research has shown that solar , hydropower, wind and other alternative sources are closing in on the cost of traditional electricity providers. Solar Crystalline silicon PV solar panels have fallen by more than 60 percent in the last two years to as little as $1 a watt, which is competitive with residential electricity, according to a report released last month by the International Renewable Energy Agency (IRENA). Continued capacity growth in solar energy, along with other renewables, is expected to contribute to further cost reductions, the agency reported. Hydropower The most economical alternative energy source for generating electricity could be hydropower , the study showed. The levelized cost of electricity from a large hy...

Full article: http://www.mnn.com/earth-matters/energy/stories/how-affor...

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