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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 strengthens ties with university in the Netherlands
2010-04-20

 
From the left are: Prof. Neil Heideman, Acting Dean: Faculty of Natural and Agricultural Sciences; Mr Johan van Niekerk, Centre for Sustainable Agriculture and Rural Development; and Mr Herman van de Wal, Dronten University.
Photo: Stephen Collett
 
 The Centre for Sustainable Agriculture and Rural Development (CENSARD) at the University of the Free State hosted a visiting academic and livestock specialist from Dronten University in the Netherlands, Mr Herman van der Wal.

Mr Van der Wal paid visits to Mr Arthur Johnson from the International Office; Proff. Frans Swanepoel, Director of Research Development; Neil Heideman, Acting Dean of the Faculty of Natural and Agricultural Sciences; and Izak Groenewald, Director of CENSARD.

Collaboration is currently taking place between the centre and Dronten University. Future exchange of students, lecturers and academic and administrative knowledge was discussed. From next year, Dronten University will be offering a distance-learning M.Sc. in Agriculture and for this reason Mr Van der Wal looked into the model that is currently used by the centre.

The visit was very successful and doors were opened for future exchanges, including a planned visit by delegates from the centre to Dronten University later this year.

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