When energy fuels prices in 2009 jumped up but electrical energy tariffs were kept constant, electric generation companies stabilized economics of their production with the help of coal quality increasing and the part of natural gas decreasing. It was reached without specific fuel expenditure increasing. Coal quality increasing was realized due to progressive quality-price scale application, to making coal quality control in the power plant arrival more sharp, to decreasing the difference between coal quality in the power plant arrival and of used for combustion.