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06 June 2019 | Story Valentino Ndaba | Photo Rian Horn
Solar Panels at UFS Qwaqwa Campus
Revolutionising electricity with sun power: Solar panels at the Qwaqwa Campus.
Over the past few years the University of the Free State (UFS) has been planting panels, now the time has come to reap. Solar farms produced a return on investment in the form of R1.4 million in savings as a result of photovoltaics (PV) between January and March 2019. Nicolaas Esterhuysen, an electrical engineer at the Department of University Estates also reported a 2.34% decline in electricity usage between 2013 and 2018. 

Solar panels are the future 

According to Esterhuysen, the solution to a power crisis lies in “either becoming more energy efficient or generating our own at a cheaper cost”. All campuses have managed to save a total of R5.4 million in 2018 through producing our own power (solar PV) and actively managing the instantaneous load demand with building management system (BMS) software.

Overall, ground-mounted PV installations at all campuses contribute 2609 kilowattpeak (kWp) under standard conditions. The Bloemfontein Campus accounts for 979kWp of that amount while the South Campus generates 762kWp, with the Qwaqwa Campus producing 748kWp, and the Paradys experimental farm bringing in 120kWp to the grand total (to be commissioned June 2019).

Rooftop PVs generate electricity through the 80kWp Muller Potgieter Building, the 255kWp Bloemfontein Campus computer lab, the 35kWp Qwaqwa Campus computer lab, 135kWp Qwaqwa Campus Mandela Hall, and 416kWp Thakaneng Bridge panels. This is a total of 921kWp. 

Winter is coming with tariff terrors 

A 15.63% electricity tariff increase is projected this year in light of the annual winter adjustments commissioned by Eskom and Centlec. To gear up for the associated spike in power use over this season, University Estates advises the Kovsie community to use energy efficiently. “Think twice before switching on the heating and make sure to switch it off when you leave the office,” advises Esterhuysen.

In addition to generating electricity, saving initiatives such as implementing light-emitting diode (LED) lighting with motion sensors and actively managing demand at peak times have been implemented.

What’s next?

The next step is to rethink dated mechanical installations that are used to heat some of our older buildings. Replacing similar installations across all of the campuses are some of the ways the university intends to escalate energy efficient in future. 

News Archive

UFS chemist invited by UNESCO to present lecture at World Science Forum in Budapest
2015-12-07

From the left are: Dr Jean-Paul Ngome Abiaga from UNESCO, France; Abdoulaye Ibrahim, also from UNESCO in France; and Truidie Venter, a young scientist from the Department of Chemistry at the UFS.
Photo: Supplied

Dr Truidie Venter, a young scientist from Inorganic Chemistry in the Department of Chemistry at the University of the Free State (UFS), returned recently from presenting a lecture at the 7th World Science Forum, held in Budapest, Hungary. She was one of the few young researchers world-wide who were invited to attend the forum.

In her capacity as a young female researcher from Africa, Truidie was invited by UNESCO to present her views on science in diplomacy at this event. Her talk focused on collaboration between researchers from different countries, and the challenges faced by young researchers in Africa, and served to initiate discussions between young researchers concerning international, interdisciplinary scientific cooperation.

The Science Forum, an international conference dedicated to science and knowledge, was held in Budapest from 4-7 November 2015. This interdisciplinary gathering is supported by the United Nations Educational, Scientific and Cultural Organization (UNESCO), the International Council for Science (ICSU), and other partners, and is aimed at providing an occasion for representatives of science, politics, international organisations, industrial and financial decision makers, international science forums, and science academies to meet and exchange views.

More than nine hundred delegates from 108 countries took part in this event. The speakers included Her Royal Majesty Princess Sumaya Bint El Hassan, President of the Royal Scientific Society of Jordan, Dr Irina Bokova, the Director-General of UNESCO, Prof Sir Peter Gluckman, first Chief Science Advisor to the Prime Minister of New Zealand, Prof Ene Ergma, former President of the Riigikogu (Estonian Parliament), and Ms Naledi Pandor, Minister of Science and Technology of South Africa.

At the conclusion of the forum, a declaration was accepted regarding the renewal of the scientific community’s commitment to the responsible and ethical use of scientific knowledge in addressing the grand challenges of humankind. This declaration addressed the headings of climate change, new sustainable development paths, disaster risk reduction, scientific advice for policies, international collaboration for capacity-building and mobilisation in the developing world, and balanced investment in science.

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