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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

New Division of Virology to deliver crucial services for HIV diagnosis and resistance testing

2015-12-14

The establishment of a Division of Virology within the Department of Medical Microbiology, under the joint auspices of the UFS and the National Health Laboratory Service (NHLS), reflects the continued growth within Virology. Dr Dominique Goedhals, Head of the Division, says the division will also provide training of undergraduate medical students, medical technologists and technicians, and registrars.

The newly established Division of Virology at the University of the Free State will be one of only five laboratories in the country to be involved in crucial diagnostic and testing services for HIV viral load monitoring, early infant diagnosis, and HIV resistance testing.

The Virology Diagnostic Laboratory serves as the reference laboratory for all HIV National Priority Programme samples for the Free State and Northern Cape provinces.

Medical staff at the laboratory will provide a 24-hour consultative service, as well as outreach programmes to district laboratories in the Free State and Northern Cape where pathologists are not available.

Dr Dominique Goedhals, Head of the Division of Virology, says this division, under the joint auspices of the UFS and the National Health Laboratory Service (NHLS), reflects the continued growth within Virology.

The division will not only deliver this critical diagnostic service, but will also focus on training and teaching, as well as research.

Teaching and training activities include teaching of undergraduate medical students, medical technologists and technicians, and registrars. The postgraduate science programme has a high output of honours, master’s and doctoral students in Virology. The intern medical scientist programme is also active, with five interns having successfully submitted their portfolios since the programme was implemented in 2010.

Research activities under the Head of Research, Prof Felicity Burt, have also expanded and continue to show increases in publication output and acquisition of grant funding. Established research groups within the Division of Virology focus on vector-borne and zoonotic viruses, human papilloma viruses (HPV), and human immunodeficiency virus (HIV), as well as work with a number of international collaborators.

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