[en] Some main problems connected with the fuel-energy balance have been analyzed with the object of elimination the negative influence of the acting factors in the future period. The changes that happened in the economic sectors and sub-sectors energy and electricity intensities of the Gross Added Value, have been examined. A comparison of the nuclear energy influence on the gross energy consumption in the country, as a primary energy source, has been given, in accordance with the different way of its presentation in physical equivalent or in replaced fuel. (author)