T-190/225-12.8 steam turbine was manufactured at the Leningrad Metal Plant (LMZ, Power Machines JSC) as part of the modernization of Surgut GRES-1 (OGK-2). The steam turbine has passed factory tests in the presence of representatives of the customer. It will replace steam turbine K-210-130 steam turbine of unit No. 13, reached the end of its service life, manufactured by LMZ and worked at the station for more than 40 years. Due to a number of design solutions in the T-190/225-12.8 turbine, the possibility of steam extraction for heating up to 275 Gcal/h is realized. The reliability of the turbine has increased, and overhaul period has been extended to 6 years.