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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

Disaster risk management centre of the UFS serves on UN specialist committee
2015-06-26

Dr Andries Jordaan
Photo: Supplied

The Director of the Disaster Management Training and Education Centre (DiMTEC) at the University of the Free State, Dr Andries Jordaan, has been invited to serve on a UN special committee by the Secretary-General of the United Nations.

Dr Jordaan took part in the Expert Workshop on Climate Resilience in Geneva, Switzerland, on 22-23 June 2015.

In preparation for COP 21, which takes place later this year in Paris, the United Nations must draw up a situation report for a universal climate agreement between all the world’s nations. In order to advise the United Nations and the Secretary-General, and to prepare for the UN’s resilience initiative that will be launched during this important international gathering, a small  team of approximately 20 experts and scientists from all over the world have been chosen to review the concept of the project. This group of experts will help to revise the original concept for the project.

According to Dr Jordaan, the Sectretary-General of the UN will be launching a ‘resilience initiative’ that is aimed at promoting resilience in climate-related risks.

Jordaan says it is an honour for him to represent the UFS and DiMTEC on such a specialist committee. “For me, it is recognition of the contribution we make in Africa and the world to disaster risk and climate adaptation,” he says.

DiMTEC is proud to be at the forefront of disaster management training in Africa. The centre has close ties with institutions of the United Nations, such as UNU-EHS, UNU-Flores UNOOSA, UNSPIDER, UNEASCO, UNEP, UNCCD, UNISDR and UNDP, among others.

DiMTEC strives to inform the public about disaster risk reduction through education. The centre’s master’s and post-graduate degrees in disaster management, as well as short courses and research, are of the highest standard.

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