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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

‘We need a story that will excite us all’
2012-03-09

 

Attending the conversation were, from the left: Willemien Marais, Lecturer in the Department of Communication Science; Zubeida Jaffer; and Prof. Andre Keet, Director of the International Institute for Studies in Race, Reconciliation and Social Justice.
Photo: Amanda Tongha
9 March 2012


“From the stories of Afrikaner Nationalism and Black Consciousness to the stories of our Constitution and the 1995 Rugby World Cup… But now what do we have?”

This was the question posed by Zubeida Jaffer, recently appointed as the university's Writer-in-Residence. Do we need a new national narrative? was the issue addressed by Ms Jaffer in a talk presented as part of the Critical Conversations series hosted by the university’s International Institute for Studies in Race, Reconciliation and Social Justice. Ms Jaffer is an award-winning journalist and author of, amongst others, Love in a time of treason and Our Generation.

“We can’t change the past and we can’t keep on focusing on separate narratives; we need to find a story, a new national narrative with elements that could excite all of us,” she told an audience consisting of academics and students. She also referred to the changes that took place at the university. “I’m fascinated by what is happening here. It’s mind-boggling to see the changes.” Based on the UFS’ drive to find common ground, Ms Jaffer told the audience that research at universities could and should direct this search for a common South African story. 

In reference to her own experiences as a community activist and journalist during apartheid, she urged students to become active citizens. “In my time students were the leaders; they gave direction to the national debate.” 
 

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