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21 May 2018 Photo Naledi Posholi
Could wave power be an answer to SAs electricity crisis
Attending a recent guest lecture, were from the left: Prof Marian Tredoux UFS Department of Geology, Prof Stoffel Fourie fromWalter Sisulu University, and Thoriso Lekoetje a third-year UFS Geology student.

South Africa has a 2800-km long coastline with high wave energy potential that can generate electricity. Presenting a lecture at the UFS Department of Geology, Prof Stoffel Fourie discussed wave power as a possible solution to the country’s electricity needs. Prof Fourie is a geophysicist and the chairperson of research and development in the faculty of engineering at Walter Sisulu University.

Power at any time
Wave power is a renewable and sustainable resource. “It can provide continuous base load power because wave energy systems do not suffer from ‘time of day’ issues as other renewable energy options. This means that it can generate power at any time of the day,” said Prof Fourie. 
Discussed also was the wave power advantages and disadvantages. 

Wave energy advantages
• Wave energy is a reliable renewable energy resource;

• Reduces dependency on fossil fuels;

• Wave energy is predictable and consistent;

• Generates little or no pollution to the environment compared to other energy resources; and

• Presents no barriers or difficulty to migrating fish and aquatic animals.

Wave energy disadvantages
• Wave energy conversion devices are location dependent, thus limiting possible sites where they can be implemented;

• Offshore wave energy devices can be a threat to shipping as they are too small to detect by radar; and

• High capital investment required for start-up costs, construction and maintenance.

“Looking at both advantages and disadvantages, there is no doubt that South Africa can use this method to harvest energy. With the right investment and political buy-in, wave power could provide a continuous supply of energy and contribute to all South Africa’s electricity needs,” Prof Fourie said.

News Archive

New residences officially open
2013-03-06

 
Celebrating the official opening of the two new residences, were Vusumzi Mesatywa, Prime of House Outeniqua and Sherilyn Roelofse, Prime of House ConLaurês.
Photo: Johan Roux
06 March 2013

 

  Video clip (YouTube)

The one implies dreams of victory; the name of the other means ‘bringers of honey’ in the Khoisan language.

With these unique names, two new residences, House ConLaurês and House Outeniqua, will create new memories for generations of Kovsie students. The two residences were officially opened on the Bloemfontein Campus of the University of the Free State, bringing the number of junior residences on the campus to 19.

Celebrating the new addition to residence life, Mr Quintin Koetaan, Director: Housing and Residence Affairs, told residents of House ConLaurês and House Outeniqua that they were part of history. He told guests that the residences will provide accommodation for a new generation of students and encouraged residents to breathe life into their respective abodes.

“Nobody thought that two residences could be built in a year,” he said about the short time between the planning and opening of the residences in January this year. The two residences welcomed 250 students each, with male and female students living under one roof, but in separate units.

Prof Jonathan Jansen, Vice-Chancellor and Rector, praised Koetaan and his team, as well as the developers, saying they have done something completely different on the campus. He said the two residences will create a place which students can call home. “It will create a place not just to eat and sleep, but also to learn. It will create memories for many years to come.”

Mr Rudi Buys, Dean: Student Affairs, said House ConLaurês and House Outeniqua is much more than simply residences. “It’s about the university putting its heart out there, showing what can be done.” He told guests that representatives from other universities and the Department of Higher Education and Training have visited the UFS to see what is being done here.

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