Small Turgo Water Turbine 400kW 750rpm 120m Head Grid Tie Power Generation This 400kW small Turgo water turbine works well at heads from 60 m to 150 m where Francis units are less economical. The grid tie unit reaches 89% efficiency with stable speed regulation. Key Features Turgo runner tuned for 60-150 m head Grid tie power generation 400kW output at 750rpm Stainless steel runner and guide nozzle Speed governor for grid synchronization Robust bearing frame for long life