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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

Willem Boshoff’s artwork placed on Bloemfontein Campus
2011-10-21

 
Students viewing the new artwork on our Bloemfontein Campus
Photo: Hannes Pieterse

There was great excitement last week when Willem Boshoff’s Thinking Stone sculpture arrived and was installed near our Main Building. The black granite stone, which was quarried at Boschpoort Granite in Belfast, Mpumalanga, weighs approximately 20 tons and took about a year to polish to give it its burnished quality.

On the surface of the stone are engravings that resemble the prehistoric rock engravings of the Driekopseiland rock art site close to Kimberley. Added to the engravings are sandblasted inscriptions in six languages of verses and well-known quotes that refer to the word “rock”.

Willem Boshoff is one of South African’s most established artists and his artworks are deeply involved in relationships and focused on bringing about conversation. Willem describes the Thinking Stone as being “a place for gathering and sharing ideas, as universities should be”. The sculpture is a huge investment for our university and will, for many years to come, inspire thought, dialogue and contemplation.

Willem Boshoff’s sculpture is, to date, the largest of fifteen artworks commissioned by the Sculpture-on-Campus Project and funded by the National Lottery Distribution Trust Fund.
 

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