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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

Faculty of Theology hosts annual meeting of Society for Practical Theology

2015-01-30

From the left are: Prof Yolanda Dreyer (Chairperson of SPTSA, University of Pretoria), Prof Johann Rossouw (UFS), Prof Hussein Solomon (UFS) and Prof Johan Cilliers (Stellenbosch University).
Photo: Michelle Nothling

The privilege of hosting the annual meeting of the Society for Practical Theology in South Africa (SPTSA) fell to the University of the Free State (UFS) this year. Delegates from across the country recently convened on the Bloemfontein Campus to attend the event from 21 – 23 January 2015.

The three-day congress saw several high-profile keynote speakers discussing the topic of ‘Power of religion and religions of power’.

Dr Johann Rossouw from the UFS Department of Philosophy presented a paper on ‘Power, the state and the church in South Africa’. Dr Rossouw regards the cooperation between theologians and philosophers as integral to help us understand the time we live in. Twenty years since the dawn of South Africa’s democracy, “the gap between the country we were promised and the country we received is bigger than ever,” Dr Rossouw said. “A South-African Church … cannot but make her voice heard regarding this gap.”

Expert on conflict resolution and fundamentalism, Prof Hussein Solomon from the UFS Department of Political Studies and Governance scrutinised the compatibility of Islam with democracy. He warned, though, against “the labelling of a conflict as religious on the mere basis of its religious overtones.” Prof Solomon’s paper, ‘Political Islam: trends, trajectory and future prospects,’ not only advocated tolerance and political pluralism, but also pointed to the fact that it is “in the common good of all humanity” to avert a “Clash of Civilizations”.

‘God in granite?’ – Prof Johan Cilliers’ paper – investigated the phenomenon of the monumentalization of religion. Prof Cilliers from Stellenbosch University explained that monuments often have “spiritual character and iconic value, in the sense that it offers a space for the formation or discovery of meaning.” In his presentation he showed, though, that monuments – even those connected to religious motifs – “seldom escape the lure of power”.

The event was organised by the University of the Free State’s Faculty of Theology, Department of Practical Theology.

For more information or enquiries contact news@ufs.ac.za .

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