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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

Out of the ordinary lunch with Prof Jansen
2015-08-17

Prof Jansen and the twins pose for pictures after enjoying a laugh and chat at the lunch event.

Numerous sets of twins and a set of triplets were entertained by, and enjoyed lunch with, the Vice-Chancellor and Rector of the university, Prof Jonathan Jansen.  Wednesday 12 August 2015 marked an extraordinary day in the Kovsie history book.

The Reitz Hall in the Centenary complex was filled with echoes of laughter as Prof Jansen told “twin jokes” he had Googled earlier for the occasion. Save for the humour, he said that twins and triplets represent a unique bond.  “After all, we should be striving for a way of being together,” he said, speaking about the quest for national solidarity.

Sitting in groups of six, and after the introductions, the duos and trio were soon engaged in conversation.

Anita and Mikita Miza, who were sharing a table with Marike and Ilna Marais, told stories from their childhood.

“We did not realise that we were twins until we were in grade one,” said Anita, who is studying the same course as her sister. Mikita is in the second year of her BSoc Science degree, while her twin is a year ahead. She had to remain in Mtata, their hometown, for a year while Anita began her first year. “It was the longest year of my life,” said Mikita.

Marike and Ilna are first years in Physiotherapy and Optometry, respectively. When asked by Prof Jansen what they never share, the non-identical twins were quick to reply: “clothes,” although they still share a room. When they were in high school, fellow learners struggled to believe that Marike and Ilna are twins, because of their distinctly different looks.

The lunch united strangers, who have a unique common bond, and acted as a platform to tell interesting stories that are seldom heard.

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