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Ingula

Ingula, South Africa

The first new pumped storage project in South Africa

Ingula is the first new pumped storage project in South Africa for over 25 years. The complete electro-mechanical equipment will be supplied by Voith by 2015.

This includes four pump turbines, each with a capacity of 342 MW, the associated motor generators, as well as the entire control and automation systems. The construction and manufacture of the motor generators was carried out at the Japanese plant in Kawasaki; the pump turbines come from Heidenheim, Germany.

The Ingula pumped storage plant is under construction near the town of Ladysmith in the east of South Africa. This is a region which lies at the heart of South African power generation. The upper water will be the Bedford which flows just a short distance away. From there, an approximately two kilometer long tunnel will be built to the power house. On the lower water side, the Bramhoek will also be connected via a two kilometer long tunnel.

In future, the four pumped storage units at Ingula will help to significantly stabilize the electricity network. The power that is not required will be taken from the network and used for pump operation. As a result, the energy is storaged. The water pumped into the upper basin can then be used at times of high demand to produce large quantities of electricity at short notice which can then be fed into the grid.

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