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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

Well-known alumni honoured

2013-10-24

From the left are: actor Hannes van Wyk, Judge Faan Hancke and his wife Benita at the Kovsie Alumni Awards.
Photo: Elmada Kemp
24 October 2013

The actor and film maker, Hannes van Wyk, known for his role as Krynauw du Boisson in the M-Net soapie Egoli, was named Kovsie Alumnus of the Year during the Kovsie Alumni Awards. He and six other former Kovsie students and staff were honoured at this gala event for their outstanding achievements and contributions to the UFS during 2012.

Van Wyk, who completed his BAEd in 1990 at the University of the Free State, was honoured for his contribution to, and development of the South African Film and Television industry. This includes his work as producer, writer, researcher and director of companies such as PACOFS, M-Net and the SABC.

The actor wasn’t the only person in the public eye to be celebrated at the event.

The well-known columnist, Hanlie Retief, who interviews the top newsmakers of the country every week for Rapport, was recognised with a Cum Laude Award. She was honoured in this category together with Paul Colditz, Chief Executive Officer of FEDSAS, the national representative organisation of governing bodies, and Judge Violet Phatshoane, founder of Phatshoane & Henney Attorneys and judge in the High Court of South Africa.

Hanlie told the audience that her degree from Kovsies opened doors for her. She spoke about the interview she had in those days with the athlete Zola Budd, her first story to be published in the university publication, Bult.

Prof Johan Willemse, who is internationally known as an agricultural economist, and Dr Philemon Akach, known for his contribution to the development of Sign Language on the continent, were bestowed with the Alumni Award for outstanding service to the UFS.

The Kovsie Ambassador Award was presented to Judge Faan Hancke, Extraordinary Professor in the Faculty of Law at the UFS. As a former Kovsie, he served more than 12 years as Council member during his career and is still involved with the Alumni Trust.

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