The carbon emissions of the three main energies of coal, oil and electricity were accounted by using the general carbon emission formula from 2008 to 2010. According to the analysis results of energy con- sumption situation and industrial structure in Hunan Province, and the comparation with five provinces of mid- dle -China in GDP energy consumption, it was concluded that the GDP energy consumption of Hunan Prov- ince was on the high side. By referencing to the current situation of low carbon economy in Hunan province, the optimization...