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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 busy with building projects to the value of R220 million

2010-07-26

Pictured at the sod-turning ceremony are, from the left: Mr Nico Janse van Rensburg (Manager: Physical Planning), Prof. Jonathan Jansen (Rector and Vice-Chancellor of the UFS) and Prof. Dennis Francis (Dean: Faculty of Education).
Photo: Ula van Zyl

Since 2009, the University of the Free State (UFS) has already rolled out building projects to the value of R220 million on its Main and Qwaqwa Campuses.

Some of these projects include a new building for Education Training for the Faculty of Education, which will be erected at a cost of R21 million on the Main Campus opposite the UFS-Sasol Library. The sod-turning ceremony of the centre took place last week.

Prof. Jonathan Jansen, Rector and Vice-Chancellor of the UFS, turned the first sod and a tree was also planted at the future entrance of this impressive building. “I am impressed with the eco-friendly design of the building and what the project promises for the future of the faculty and the UFS. It is important that the UFS continues to expand and improve,” he said.

The building, which will primarily be used for the training of Mathematics and Science teachers in the foundational phase, will amongst others boast three classrooms with seating for 100 students each, an auditorium that can seat 225 students and an office block. The auditorium will also be used as a classroom in the traditional African context of open-air teaching. The building has been designed to save water and power efficiently and will be completed by the end of 2011.

Other building projects that have been rolled out on the Main Campus this year include a building consisting of lecturing halls as well as offices for the Faculty of Health Sciences, a new skills laboratory, new laboratories, etc., at the Biotechnology Building, the renovation of the Stef Coetzee Building, die upgrading of various lecturing halls, the upgrading of service workers’ quarters, as well as the installation of computer rooms in virtually all the hostels.

Various other projects are in the pipeline, for example, extensions to the building in which the Department of Architecture is housed. At the Qwaqwa Campus, a new building for the Faculty of Education is under construction, laboratories are being renovated and new hostels for 200 students are being built.

Media Release:
Lacea Loader
Director: Strategic Communication (actg)
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl@ufs.ac.za
26 July 2010

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