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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

Nation-building projects the focus of 26th Sophia Grey memorial lecture
2014-09-01

 

Jeremy Rose

This year, the University of the Free State’s (UFS’s) Department of Architecture had the privilege of hosting the renowned Phil Mashabane and Jeremy Rose from Mashabane Rose Associates as guest speakers at their annual Sophia Grey memorial lecture. 
 
Mashabane Rose is known for the numerous awards they won for their work on nation-building projects, such as the Hector Pieterson Museum, the Apartheid Museum, Lilliesleaf Museum, the Nelson Mandela House Museum and several other cultural and heritage projects. They also have the design of commercial, tertiary education, school, community and health projects on their record. 
 
“It isn’t only the visual side of architecture that is important to architects. It is also the story behind the story that matters,” Phil Mashabane said. 
 
“We used architecture to communicate history, as in the case of the Hector Peterson Museum. The building becomes the interpreting device to help people understand history,” Jeremy Rose said. 
 
“Good architecture is not only a product, but also a process,” Mashabane said.

An exibition of Mashabane Rose Associates' major projects can be viewed in the Oliewenhuis Art Museum for six weeks.


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