The thermal power generation or new and renewable sources power generation of CO₂ emission reductions are calculated basing on the evaluation methods of Carbon emission reduction potential,CO₂ emission reduction potential of power industry in Hebei province are obtained.The result indicated that carbon emission reduction potential of power industry is up to 3.562 million ton in Hebei province from 2006 to 2012,it is the key areas in implementation CDM projects in Hebei province.