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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

Young researchers are equipped to participate in projects relevant in global context
2017-09-05

 Description: Wheat genomics Tags: bioinformatics, Dr Renée Prins, Department of Plant Sciences, DNA and RNA, data sets 

This group of early career researchers received bioinformatics
training in Worcester in the UK from Dr Diane Saunders of the
John Innes Centre in the UK.
Photo: Supplied

The interdisciplinary field that develops methods and software tools to understand biological data is known as bioinformatics. According to Dr Renée Prins, a research fellow in the Department of Plant Sciences at the University of the Free State, there are few tertiary institutions in South Africa that offer a postgraduate degree in Bioinformatics.

“Most institutions focus either on humans, human diseases, forest trees and their pathogens.  They usually do not have spare capacity to assist researchers, for instance, those working on crops in the agricultural sector,” Dr Prins said.

Big data sets need significant skills

With the advancements made in genomics such as high throughput DNA marker platforms and next-generation sequencing technologies, the data sets biologists have to deal with have grown massively big and cannot be dealt with unless you have significant computer skills.

Dr Prins believes that all young researchers need some level of training in this field to be effective in future. The British Council Researcher Links, being run by the Newton Fund, gives early career researchers across selected partner countries the opportunity to form international connections through fully funded workshops and travel grants. Dr Prins made use of this opportunity and with the assistance of the Department of Research Development at the UFS, she arranged for Dr Diane Saunders of the John Innes Centre in the UK, a bioinformatician of note, to present training to a group of 20 early career researchers in Worcester in the UK.

Providing training with Dr Saunders were two other bioinformaticians from the UK, Dr Burkhard Steuernagel (John Innes Centre) and Dr Robert Davey (Earlham Institute). From the UFS side, Eleanor van der Westhuizen and Dr Henriëtte van den Berg (former UFS academic) acted as mentors, providing guidance on funding opportunities and career development skills.

Participating in projects in a global context
The researchers attending the training came from research institutions or academia, and they work involving plants (predominantly wheat) or plant pathogens. A limited number of participants from the commercial sector, including private South African companies focusing on plant breeding and molecular genetics lab work on agriculturally important crops also benefited from the training. 

“Tertiary institutions in South Africa have the obligation to ensure that young scientists are equipped with bioinformatics skills. If they are not equipped with the necessary skills, they will not be able to participate in research projects that are relevant in a global context,” said Dr Prins. 

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