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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

Manuel Castillo Book Prize goes to Prof Melanie Walker
2014-05-15



Prof Melanie Walker

Prof Melanie Walker from our Centre for Research on Higher Education and Development (CRHED) and Alejandra Boni from the Technical University of Valencia in Spain makes for a potent writing combination. Their book, Human Development and Capabilities: Re-imagining the University of the twenty-first Century, has won the 2014 Spanish Manuel Castillo Book Prize. This in the category of a Published University Research Monograph.

The aim of this prize is to stimulate academic, scientific and journalist research in the fields of cooperation, peace and human development. And this is precisely what underpins their book.

The content encourages the reader to re-imagine the role of the university and its potential for transformative ends. It urges the creation of better societies while acknowledging contemporary social and economic challenges. It shows how universities might advance human equalities and how these institutions can contribute to sustainable and democratic societies.

In her acceptance speech, Professor Walker noted that “the book is pioneering in its linking universities to human development in an age where globally human capital and economic growth approaches dominate higher education policy.” She noted that the human capital argument is by no means settled – an increased focus on economic growth only contributes to growing inequalities. “We hope the book will challenge and add to debating the purposes of universities,” Prof Walker said.

Not only was this trans-continental collaboration an intellectual and personal joy for Prof Walker, but it has served as a springboard to further research and more writing together with Alejandra Boni.


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