Based on the year 2010 load peak regulation margin of shaan’xi power grid summer valley load operation,the capacity of wind power intergration is analyzed.Taking yu-lin power grid,the abundant regin of wind resource,for example,yu-lin power grid,the year 2010,capacity of wind power intergratation is obtained,combing related electric computing result,based on the study of wind power intergrated into shaan’xi power grid.