Industrial gas turbine SGT-800 47.5 MW Version Gross efficiency: 37.7% Heat rate: 9,547 kJ/kWh (9,048 btu/kWh) Turbine speed: 6,608 rpm Pressure ratio: 20.1:1 Exhaust mass flow: 132.8 kg/s (292.8 lb/s) Exhaust temperature: 541°C (1,007°F) 50.5 MW Version Gross efficiency: 38.3% Heat rate: 9,389 kJ/kWh (8,899 btu/kWh) Turbine speed: 6,608 rpm Pressure ratio: 21.0:1 Exhaust mass flow: 134.2 kg/s (295.8 lb/s) Exhaust temperature: 553°C (1,027°F) 54.0 MW Version Gross efficiency: 39.1% Heat rate: 9,206 kJ/kWh (8,725 btu/kWh) Turbine speed: 6,608 rpm Pressure ratio: 21.4:1 Exhaust mass flow: 135.5 kg/s (298.7 lb/s) Exhaust temperature: 563°C (1,045°F) siemens.com / gasturbines PGDG-Y10021-01-7600 Power generation: 47.5–54.0 MW(e)