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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

Science 4Fun, collaboration between CUT and UFS community engagement
2017-08-16

 Description: Community Enagement Tags: : Nzame Primary School, Charles Busack, Global University for Lifelong Learning, Community Engagement, Science4Fun  

For Grade R learners at Nzame Primary, their
basic Geometry insight about shapes advanced
to engineering skills when they built modern pyramids,
connecting jelly sweets and sosatie sticks. 
Photo: Supplied 


Any phase in a learner’s life can be the right time to explore science. As for Grade R learners at Nzame Primary School in Mangaung, it all started when their Deputy Principal, Charles Busack, attended the Global University for Lifelong Learning (GULL) workshop coordinated by the university’s Community Engagement in October 2016. The GULL network enables its affiliated organisations to recognise the individual and collective efforts of those who are creating progressive transformation in communities and in the workplace. Consequently, a community-based initiative, Science4Fun, was developed and launched at the primary school, where learners would start to experiment with science through play.

University students instrumental in teaching
Every Tuesday morning, these fun science activities form part of the foundation phase programme, in which Dr Elizabeth Conradie of the Central University of Technology (CUT) and four postgraduate Science students from the UFS, engage teachers and learners in exciting experiments and demonstrations. 

Most people just know pyramids as big, impressive structures built a long time ago in Ancient Egypt. However, for Grade R learners at Nzame Primary, their basic Geometry insight about shapes advanced to engineering skills when they built modern pyramids, connecting jelly sweets and sosatie sticks.

Laying a foundation for the future
According to Dr Conradie, more fun exercises are lined up for curious minds, exploring other sciences such as Chemistry and Mathematics, combined with music. The initiative will assist to equip learners with the basics of Science into more advance learning phases of the schooling years, giving them an advantage.

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