Inter RAO completed modernization of power unit No. 4 at Iriklinskaya TPP in the Orenburg Region. Comprehensive replacement of the steam turbine and generator was performed. Full-scale modernization of automated process control systems was performed. As a result of the work, the power unit capacity increased by 10% to 330 MW, specific fuel consumption was significantly reduced, and the equipment life was extended for at least 30 years.