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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

Applications for the Vice-Chancellor's Prestige Programme for 2013/2014 now open

2012-12-06

This highly prestigious programme, led by the Vice-Chancellor of the University of the Free State, seeks to identify, develop and promote the next cohort of the most promising and talented UFS academic members of staff who obtained a doctoral degree within the last five years. These are young scholars who have chosen academic careers and who are focused and determined to become senior academics in their respective disciplines.

Once identified, these scholars will be put through an intensive programme of academic and scholarship support that includes an advanced residential programme, exposure to leading scholars, intensive reading and writing programmes, high-level seminar participation and presentation, nuanced publication schedules and personal mentoring and advice.

The selection process is highly competitive, and aimed at those young scholars with the potential to obtain upper-level ratings (Y1 and P). The selection criteria include the following:(1)

1. Recently obtained a PhD degree.

2. Evidence of an active publication record.
3. Early recognition of scholarly work, e.g. successful funding/grant applications and academic awards.
4. The early development of a post-doctoral intellectual project that shows evidence of scholarly “potential” (defined by the NRF Y-category).
5. Indication of the young scholar’s understanding of what their envisaged postdoctoral endeavours will contribute to the body of knowledge.

This period of support will run over a cycle of two years after which a new intake of next generation professors will be selected.

While this cohort will be selected for an intensive programme, ongoing development and support of all young scholars will continue. The selected scholars will reflect a balance of young academics from the humanities (broadly defined, including education, law, theology and the social sciences) and the natural sciences (broadly defined, including the agricultural and health sciences).

Call for Applications

This is a call for applications for the Vice-Chancellor’s Prestige Programme for 2013/2014. Candidates are invited to submit applications. No nomination is required, but deans and heads of department will also be asked to invite young scholars to apply. Complete applications are due by Monday 21 January 2013. A full application will include the following documentation:

1. A complete curriculum vitae of the candidate.
2. A complete exercise of intent comprising the following:
2.1   Select two journal articles (copies of which to accompany the application) in the area you have identified for your intellectual focus post PhD. These articles have to be selected from journals of international standing in your field.
2.2   The articles need to be summarised (250 words each), and
2.3   Two questions have to be identified that you would want to pursue in relation to your intended project.
2.4   This is followed by a brief, critical summary of a hundred lines maximum to indicate how these articles inform, integrate or provoke your planned future research.

Submission and contact address

A paper copy of the application must be submitted to the Vice-Chancellor’s secretary, Ms Melissa Coetzee, in the Main Building by 16:00 on Monday 21 January 2013 and an electronic copy of your entire application to the administrative assistant, Mr Albert Nell:nella@ufs.ac.za. You will be contacted to acknowledge receipt. Candidates will be informed of the outcome in February. Further information on the Vice-Chancellor’s Prestige Scholar Programme can be directed at any of the following co-directors (in alphabetical order):

Prof Jackie du Toit, Prof Neil Roos, Prof Aldo Stroebel or Prof Corli Witthuhn.

[1] The VC reserves the right to nominate young scholars to the programme and also to invite scholars to a panel interview to evaluate personal qualities, professional commitment and academic ambition.

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