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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

Protest actions planned for 12-14 March 2008
2008-03-13

Three protest actions will take place on the Main Campus of the University of the Free State (UFS) in Bloemfontein this week.

Although the interim court interdict granted to the UFS on 6 March 2008 is still in force, permission for the three protests was granted by the Mangaung Local Municipality and the court, in the presence of the university lawyer. Strict conditions have been set for these protest actions.

The UFS management respects the right to peaceful protest and also shares the sentiment of the protesters regarding the reprehensible Reitz video. However, strict conditions have been set for these protest actions as students are writing tests and the normal academic activities should not be disrupted.

Already the first picket protest took place today, Wednesday, 12 March 2008, by about 300 Satawu and Nehawu members. This was not a march and no memorandum was handed over.

On Thursday, 13 March 2008, Nehawu will again picket in front of the Main Building from 13:00 to 14:00. This event must be peaceful. This too is not a march and no memorandum will be handed over.

On Friday, 14 March 2008, a march of Cosatu and Nehawu will take place, starting in the city centre. The march will enter through the Nelson Mandela Drive gate and will enter the campus grounds.

However, it will be limited to the incoming lane of Chancellors Avenue from the Main Gate to the crossing with Alumni Avenue (in front of the Odeion building). Speeches will be made and a memorandum will be handed over.

It is expected that the march will reach the campus at approximately 10:00 and from then the Nelson Mandela Gate to the UFS will be closed for all traffic. The march must end by 14:00. The marchers will return to the city centre and may cause a traffic problem in Nelson Mandela Drive.

The South African Police Service (SAPS) and the UFS’s Protection Services Division will monitor all these actions. Staff, students and visitors to the campus are kindly requested to use alternative gates to the Nelson Mandela entrance on Friday. Academic activities will continue as normal this week.

Media Release
Issued by: Anton Fisher
Director: Strategic Communication
Tel: 051 401 3422
Cell: 072 207 8334
E-mail: fishera.stg@ufs.ac.za  
12 March 2008


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