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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

Macufe Wordfest and UFS bring literary practitioners together

2017-10-18

Description: Macufe Wordfest Tags: Macufe Wordfest
The Macufe Wordfest attracted language practitioners from
the Free State and Eastern Cape Province. From the left are:
Dr Elias Malete (UFS: African Languages),
Prof Johannes Malefetsane Lenake (honoured guest),
Nthabiseng Naketsana (Eastern Cape: Head of
Provincial Languages Services), Shoaneng Sefali
(Chairperson: Free State Writers Forum), Mariaan Otto
(Language Practitioner at FS government) and
Dr Mathene Abram Mahanke (Free State: Head of Provincial
Languages Services). Photo: Jóhann Thormählen

The University of the Free State (UFS) has a responsibility to advance good stakeholder relationships with public and government entities by creating opportunities for collaborative projects. According to Dr Elias Malete, Senior Lecturer and Academic Head at the Department of African Languages, this is why it is important for the UFS to be involved in projects such as Macufe Wordfest.

His department and the UFS Library, in collaboration with the Provincial Languages Services, hosted Wordfest on the Bloemfontein Campus as part of the Mangaung Cultural Festival. He says the main focus of the word festival, held from 4-6 October 2017 in the Economic and Management Sciences Auditorium, was to bring together literary practitioners from the Free State and Eastern Cape.

Prof Malefetsane Lenake honoured
“In this festival, budding authors have a platform to read their works to fellow practitioners, seasoned authors use their experience and expertise to assist budding and aspiring authors, and published authors have the opportunity to launch their new books,” says Dr Malete.

Highlights included the recognition of longstanding, retired academic, Prof Johannes Malefetsane Lenake, for his contribution to the development of Sesotho, and the awarding of trophies to learners who wrote excellent essays in Sesotho, Setswana, isiXhosa and isiZulu about the life of OR Tambo.

First African Languages Writers Day
On 30 August 2017 various Sesotho writers’ organisations gathered at the UFS Sasol Library to celebrate the first African Languages Writers Day. It was hosted by Department of African Languages and the UFS library and mapped a way forward on ways to promote African Languages recognised by the Free State language policy.

The goal was to promote and preserve African languages, unearth writers, share ideas, and help to shape the future. Dr Malete says such events are important to ensure that UFS “is a people-centred institution where the educational and developmental needs of local communities are catered for”.

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