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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

UFS academic speaks on Islamic terrorism

2012-09-12

Prof. Hussein Solomon

Senior Professor Hussein Solomon from the Department of Political Studies and Governance at the University of the Free State (UFS) says it is imperative that we understand how ordinary Muslims are socialised, violently radicalised and primed to engage in acts of terror.

He was speaking at the Inter Religion Forum in the Faculty of Theology on the topic, “The rise of Islamist fundamentalist thought”.

According to Prof. Solomon, “The war on terror is truly a struggle between competing ideologies, after all, before a suicide bomber detonates his/her vest he/she must be ideologically indoctrinated to believe that what he/she is doing is the ‘right’ thing both in terms of the act and target.” Prof. Hussein, however, assured that the pure teaching of Islamic is not in favour of terrorism and killing.

Most of the twentieth century witnessed an ideological struggle between freedom and democracy. According to Prof. Solomon, “democracy” won that struggle. “The ideological struggle between freedom and authoritarianism is, however, far from over and thus we witness a clash of two competing ideologies across the globe,” he said.

He added that this is not an inter-civilizational conflict. “It rather is occurring within Muslim societies and between radical Islamists and the West.”

“A major battle is taking place in Islam between moderates, who in my view are the real Muslims, and the Islamo-fascists. Non-Muslims cannot simply regard this battle as an internal struggle. They need to support the moderate Muslim actively.”

“Should moderate Muslims lose this struggle, a clash of civilisations will become inevitable and the future will resemble a world of a war of all against all,” Prof. Solomon said.

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