SENER, ACCIONA and TSK inaugurate the Bokpoort concentrated solar energy plant in South Africa

14/03/2016 (South Africa)
SENER, ACCIONA and TSK inaugurate the Bokpoort concentrated solar energy plant in South Africa

The Bokpoort concentrated solar plant, built by a joint venture between Spain’s SENER, ACCIONA and TSK and South Africa’s Crowie, was inaugurated today near Upington in Northern Cape Province of South Africa. The Saudi group ACWA Power awarded the EPC (Engineering, Procurement and Construction) contract for the turnkey project to the Spanish-led consortium, and required an investment of more than €300 million.

The new concentrated solar plant at Bokpoort is already in operation and has a gross capacity of 55 MW. It uses SENERtrough^® parabolic trough collector technology with a 1,300 MWht system of two energy storage tanks (TES - Thermal Energy Storage) using molten salts that provide 9.3 hours of operation. The solar field of the plant consists of 180 loops, and its annual production will be over 230 GWh (net).

The opening ceremony of the Bokpoort concentrated solar plant was attended by the Trade & Industry Ministers of South Africa and Saudi Arabia, Dr. Rob Davies and Dr Tawfiq al Rabiah. Also present were Juan Granero, Project Manager of SENER; José Luis Valdivieso, Project Manager of ACCIONA; and Ramón Vidad, Proyect Manager of TSK.

At present, SENER and ACCIONA are building a 100MW solar thermal complex at Kathu, a turnkey project for GDF Suez.

Along with Kathu and Bokpoort, SENER has a third thermosolar plant in South Africa. In these three projects, SENER supplies key technology such as the SENERtrough^® parabolic trough collectors and the molten salt storage system that enables the plants to continue to produce electricity in the absence of solar radiation. In total, SENER has performed work on 29 thermosolar plants, the majority of which have been turnkey constructions, in Spain, the USA, South Africa and Morocco, representing over 2,000 MWe of installed capacity and a saving of more than a million metric tons of CO[2], all of which confirms the company’s position as a leader in thermosolar energy.

For its part, Bokpoort is the fourth concentrated solar plant built by ACCIONA outside Spain and its inauguration underscores ACCIONA’s commitment to the development of renewable energy in South Africa. In late 2014 ACCIONA’s Sishen photovoltaic plant (94.3 MWp [74 MW nominal]) was put into operation and in August 2015, the Gouda wind farm came on stream with a capacity of 138 MW. Both are owned by a joint venture in which ACCIONA Energy (the renewable energy division of ACCIONA) holds a majority stake.

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