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UFS installs solar plants on all campuses, bolstering renewable energy amid continuing power cuts

18 August 2023 | Story Lunga Luthuli | Photo Francois van Vuuren

Bloemfontein Campus Solar Farm — The solar plant on the UFS’s Bloemfontein Campus, part of the university’s commitment to combatting loadshedding and embracing sustainable energy.

The University of the Free State (UFS) has installed solar plants across its three campuses.

The university says this is in response to the call for urgent solutions to loadshedding and the promotion of environmentally sustainable, cleaner, and renewable energy solutions.

Nicolaas Esterhuysen, Director of Engineering Services at UFS University Estates, said,

“The PV (photovoltaic) systems are grid-tied without storage to ensure maximum benefits and faster payback periods.”

Esterhuysen said the UFS has saved up to R32,5 million since the first solar plant was commissioned in 2017 to help the UFS reduce the impact of loadshedding and its carbon footprint and energy costs. “This will substantially increase this year with the commissioning of two large new ground-mounted solar plants on the Bloemfontein Campus,” he said.

“The microgrid installation on Qwaqwa Campus is one of the biggest solar diesel hybrid systems installed in South Africa. It allows us to keep the campus running despite excessive power interruptions.”

The UFS is currently embarking on research as part of the Grid-related Research Group (GRRP) under the Interdisciplinary Centre for Digital Futures (ICDF) to also help staff and students with understanding renewable energy and sustainability.

Esterhuysen said the plants are further evidence of the UFS’s commitment to renewable and energy saving solutions. “It is our flagship project, but our focus is also on energy saving initiatives – to ensure we are becoming more energy efficient and eliminate energy wastage. We have plans for expansion on all campuses. Some of the highlights are an off-grid solution for the new student centre at Qwaqwa Campus and to make South Campus a self-sustaining campus.”

The installed grid-tied system solar plants are operating without batteries on all three campuses, giving the university an optimal configuration between capital cost and payback period.

The energy generated at the solar plants:

Bloemfontein Campus – 3688 kWp

Qwaqwa Campus – 918 kWp

South Campus – 759 kWp

Paradys – 125 kWp

News Archive

Mathematical problem-solving solutions found in African indigenous games

2015-04-02

A recent study by Dr Tshele Moloi, a Mathematics Education lecturer at the Qwaqwa Campus, revealed that games such as Diketo or Morabaraba enhance the understanding of abstract mathematical concepts in children. Diketo is a children’s game where 10 small stones or marbles and 1 ghoen or big stone are made available to each player. A small hole about 5cm deep is dug in which the small stones are placed for the players.

During this game of Diketo, learners can identify the variables involved – both dependent and independent. In round one of the game, it was found that the stones scooped out of the hole can be described by the pattern: f(n)= -n/2 + 21/2 , (where n denotes the throwing of the ghoen). Stones placed in the hole can be illustrated by the pattern: f(m)= -m/2 + 10, (where m denotes the throwing of the ghoen). There are many patterns that can be obtained when the players are in round two.

The patterns which emanate from rounds one, two, and three can be put on the Cartesian Plane, which can then demonstrate the linear functions.

For more information or enquiries contact news@ufs.ac.za

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