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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

Prof Combrink gives 32nd DF Malherbe Memorial Lecture

2014-06-04

Since 2006, Prof HJB Combrink is the project leader of ‘Die Bybel: ’n Direkte Vertaling’. Prof Combrink addressed an audience on the subject of the project at the 32nd DF Malherbe memorial lecture. During the memorial lecture, he quoted DF Malherbe in order to create the context between the recent Direct Translation and the 1933/53 translation which involved Malherbe.

“Some of the younger generation forget that they are standing on the shoulders of workers who served in the muddy ditches of vilification to procure the foundations of a cultural language, and speak belittling and with shrugged shoulders about the first attempts, or show a lack of good comprehension, while judging the verses and tales from the Patriotic period according to aesthetic norms.”

Prof Combrink said that the Direct Translation transpired in a different context than the 1933/53 and the 1983 translations. The direct translation was approached differently and is therefore more inclusive concerning the relevant processes and phases.

“The making of a direct translation was and undoubtedly remains a great challenge,” Prof Combrink said. “It is not always easy to find the correct Afrikaans expression for a Greek or Hebrew idiom or loaded term.”

“It is an ongoing exercise trying to sit in two chairs at the same time. (However), the Bible Society could frankly say that this direct translation is an honest and well-informed attempt to portray all of the communication clues from the Greek and Hebrew source texts in good Afrikaans.”

Prof Combrink was a minister of the Dutch Reformed Church in Wonderboom, Pretoria (1968–1970), lecturer at RAU, UP and SU (New Testament, 1970–2001), and Dean of the Faculty of Theology at the Stellenbosch University for two terms (1992-1994 and 1998–2000).

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