A typical hydropower plant is a system with three parts; an electric plant where electricity is produced, a dam that can be opened or closed to control water flow and a reservoir where water can be stored. The water behind the dam flows through an intake and pushes againts blades in a turbine causing them to turn. The turbine spins a generator to produce electricity. The amount of electricity that can be generated depends on how far the water drops and how much water moves through the system. The electricity can be transported through long-distance electric lines to homes, factories and business.

The Spaans Babcock screw turbine is probably the most efficient technology for low head hydropower sites. Unique is the fish friendliness, long lifetime and minimal operating costs. Spaans Babcock offers grid connected, off-grid and hybrid systems. The screw turbine is a further development of the screw pump. Whereas the screw pump pumps the water up, in the screw turbine the water flows down. The turbine rotates due to the flow of the water and energy is transferred to the drive unit. The generated energy is transformed by a generator into electricity. 

A single screw turbine can produce up to around 500 kW and a number of screw turbines can be placed parallel or in series. Project sizes typically vary between 50 and 2000 kW. Spaans Babcock can offer the full solution, including gates, screens, remote monitoring and control and after-sales and spares supply.

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