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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

Oncology department celebrates 50 years of excellence

2017-09-07

The UFS Department of Oncology celebrated 50 years of
existence. Prof Louis Goedhals says that the department
is like a family that will carry and support you.
Photo: Wendy Ruth

South Africa could see an increase of 78% in the number of cancer cases by 2030 and from a global perspective, a 75% increase is expected, increasing the total incidence of all new cancer cases from 12.7 million in 2008 to 22.2 million by 2030, according to a recent study published by medical journal Lancet. According to the Cancer Association of South Africa (CANSA), more than 100 000 South Africans are diagnosed each year. It is rather comforting that the University of the Free State’s (UFS) Faculty of Health Sciences has an Oncology department that has been fighting cancer for 50 years.

Excellence over the decades
The 50-year celebration of the Department of Oncology took place at the UFS Centenary Complex on the Bloemfontein Campus on 19 August 2017. The auspicious event was attended by UFS Faculty of Health Sciences registrars, radiation oncology radiographers and professional nurses who had trained in the department over the past 50 years, as well as the current departmental staff.

Dr Alicia Sherriff, Head of the Department of Oncology welcomed the dignitaries and thanked everyone for their attendance and dedication to the department, Prof Louis Goedhals, the oldest surviving head of department, gave a summary of the 50 years. He said once you were involved with this department you became part of a family that would carry and support you. Memories were shared and friendships rekindled. The message of this department that stood the test of time was: “To cure sometimes, to relieve often, to comfort always … and to bring hope”.

UFS dignitaries reveled in the moment
Among the special guests were the Rector and Vice Chancellor, Prof Francis Petersen, Prof Gert van Zyl, Dean of Faculty of Health Sciences; the Free State MEC for Health Mr Butana Komphela, and CEO of Universitas Hospital Dr Marcus Molokomme, were invited. The function was well attended by personnel, graduates from as far as Portugal, and dignitaries from the university. There was a sense of unity and belonging among all the attendees and enthusiastic catching up over the years that have passed.

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