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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

Diligence to be rewarded at the 2015 Spring Graduation
2015-09-15

The hard work of many students finally comes to fruition with this year’s spring graduation ceremonies taking place on Thursday 17 September 2015 on the Bloemfontein Campus.

A total of 124 diplomas, 419 bachelors and 56 honours degrees will be conferred on graduates from all seven faculties of the University of the Free State (UFS). In addition to the 599 conferrals, Professor Jeffrey Sachs, the world-renown American economist, will round out the number to 600 as the recipient of an honorary doctorate.  

The Faculty of Economic and Management Sciences wishes to express appreciation for his extensive contribution towards economic, social, and political development across borders with an honorary doctorate in Economics.

Prof Sachs has had a positive impact on global peace and security, climate change, sustainable development, human rights promotion, and governance through various platforms, including being a Special Advisor to United Nations (UN) Secretary-General, Ban Ki-moon, on the Millennium Development Goals (MDG). He also served as the Secretary-General’s MDG Advocate and Commissioner of the International Telecommunication Union (ITU)/United Nations Educational, Scientific and Cultural Organization (UNESCO) Broadband Commission for Development.

In addition, Prof Sachs serves as the Director of the Earth Institute at Columbia University and Director of the UN Sustainable Development Solutions Network. As an author, he has featured three times on the New York Times bestsellers list, and is the co-founder of the Millennium Promise Alliance, and drives the Millennium Villages Project as its Director.

Graduates should expect words of salutation and encouragement from our main speaker, the Vice-Chancellor and Rector of the university, Prof Jonathan Jansen.

Two ceremonies will take place in the Callie Human Centre at 09:00 and 14:00 respectively. Attendees of the afternoon ceremony will witness the conferment of Prof Sach’s degree. There is a live stream option available on the university’s website to individuals who are unable to attend the ceremonies.


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