A 2008 EWG report compares IEA projections about the growth of wind power capacity and finds that it has consistently underestimated the amount of energy the wind power industry can deliver.
在2008年能源工作组报告中比较了国际能源署对于风力发电能力增长的预测，认为它一贯低估风力发电产业能够提供的能源数额。