The STF-D650 is GE’s highest-performing combined-cycle steam turbine and delivers the reliability and availability needed in today’s demanding energy environment.

Built for Efficiency and Reliability

Main steam inlet pressures up to 2,680 psi (185 bar) with main steam inlet and reheat temperatures up to 1,112°F (600°C).

Created for Power

The STF-D650 works well for H- and F-class 50 and 60 Hz gas turbine power plants that have high fuel costs and high annual hours of operation.

Flexible Configurations

The STF-D650 turbine is available in both single-shaft and multi-shaft configurations, with the single-shaft configuration incorporating a clutch for enhanced operational flexibility.

STF-D650 Steam Turbine (Reheat)

Three-casing, double-flow LP section combined-cycle steam turbine

  • Single bearing design reduces construction time, increases power density and enhances reliability by avoiding load shifts
  • HP, IP, and valve units are shipped fully assembled
  • Self-synchronizing clutch reduces startup auxiliary steam demand, enabling the gas turbine to reach 85 percent load in less than 20 minutes under hot start conditions
  • Available with down or straight axial exhaust to meet specific plant needs
  • The STF-D650 turbine consists of separate HP, IP, and either one or two double-flow LP sections
  • Side LP exhaust enables ground-level condenser connections and reduced plant height allows BOP equipment to be positioned on one side
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Technical Specifications


Fact Sheet
Main Steam Up to 2,680 psi (185 bar) 
Up to 1,112°F (600°C)
Reheat Temperature Up to 1,112°F (600°C)
Frequency 50 Hz and 60 Hz
Output 150 MW-700 MW