18 Jul '12, 11am

Do Bigger Wind Turbines Produce Greener Electricity?

Do Bigger Wind Turbines Produce Greener Electricity?

© American Chemical Society At first glance, wind power seems to be an extraordinarily clean energy source, but even without accounting for any negative environmental effects at individual installation sites, there's still a price to pay in terms of the global warming potential, or GWP, involved in the manufacturing of the turbines. However, a new study claims that "greener" electricity can be generated from the wind by building bigger turbines, with a reduction of GWP per kWh of 14% for every cumulative production doubling of size. The study, Wind Power Electricity: The Bigger the Turbine, The Greener the Electricity? analyzed the life cycle of various phases in wind turbines, including the extraction of resources for manufacturing, the processing and manufacturing of those materials, transportation to the installation site, maintenance of the turbines, and disposal of th...

Full article: http://www.treehugger.com/wind-technology/do-bigger-wind-...

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