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Weathering the winter with energy efficiency

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

The best black and white learners must come and study here

2009-09-17

At the meeting, arranged by the Faculty of Economic and Management Sciences, were from the left: Mr Tshdiso Makoelle, Clocolan High School; Mr Braam van Wyk, St Michael's School in Bloemfontein; Prof. Jonathan Jansen, Rector and Vice-Chancellor of the University of the Free State (UFS); Mr Izak Coetzee, Dr Blok Secondary School in Bloemfontein and Mr Okkie Botha, Witteberg High School in Bethlehem.
Photo: Stephen Collett

“I want to make this university one of the best universities in the country and in the world. For this I will need the support of principals and teachers.” These were the words of Prof. Jonathan Jansen, Rector and Vice-Chancellor of the University of the Free State (UFS) during a recent meeting with school principals held on the Main Campus in Bloemfontein, which was arranged by the Faculty of Economic and Management Sciences.

“I want the best black and white learners to come and study here and therefore I am going to visit schools in the region to find out how we can attract the best learners,” he said.
The most important influence on learners is their teachers and principal. “This why I need the support of teachers and principals to guide their learners to come and study here,” said Prof. Jansen.

Prof. Jansen said that it was of no use to work with Grade 11 and 12 learners only as it was mostly too late to change their minds. He wants to work with Grade 10 learners and make them excited about university life so that they will know what the UFS can offer them. He will also visit poor and rural schools and tell them about the UFS.

“When a Kovsie graduate walks down the street something must distinguish him/her from other graduates. Our graduates must be able to work anywhere in the world,” he said.

“Students must have the ability to live with other people and to be comfortable around people who look and speak differently than them. I want our students to be multi-lingual and to be comfortable around other students and people in terms of religion, race, language, etc. Students who do not have this added value will not be successful in the market,” he said.

Media Release
Issued by: Lacea Loader
Deputy Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za
16 September 2009

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