The cost of electricity from wind has fallen past few years as technology has advanced.
Wind energy has become a mainstream technology: it is already cheaper in Australia and Brazil than conventional energy sources and directly competes with them in an expanding number of markets including Mexico, New Zealand, South Africa and parts of China and the US.
Wind power is turning into the power technology of choice as utilities, energy planners and governments seek to diversify their energy mix, reduce CO2 emissions and air pollution, protect their economies from volatile fossil fuel prices and benefit from increased investment and job creation. With the right policy support wind could reach 1,000 GW by 2020 avoiding over 9 billion tonnes of CO2 emissions per year.
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