| http://www.w3.org/ns/prov#value | - but building panels and turbines can be expensive.Durand said he believes renewable energy will become more competitively priced as more wind farms are developed.As you develop more wind farms, especially offshore, there will be more research and development that will bring the prices of the different components down, he said.Even within wind energy, there is some price fluctuation.Mark Rogers,
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