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EQUIPMENT : Reliability

Modern technology has brought about radical change to the operation of hydro-power plants.

Turbine design is now largely standardised and there is relatively little room to improve efficiencies, which often reach and sometimes exceed 90%.

The generator market has changed considerably over the past 25 years because of greatly increased demand for the type of machine suited to hydro schemes. The same type of generator may be used in many schemes - a trend that has brought costs down. Unlike the generator, the turbine must be chosen to suit the requirements of a particular project.