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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

Amphitheatre to energise student life on the Qwaqwa Campus
2015-06-11

The Qwaqwa Campus of the University of the Free State is one of the fastest-growing rural campuses.

Since 2010, the campus has, among other things, built two new student residences, which provide accommodation for an additional 500 students. The old disused boiler room, which was used as a storeroom, has been converted into much-needed ablution and dressing room facilities at the sports fields.  The Faculty of Education now boasts a Technology, Engineering Graphics and Design Education laboratory. The project was funded by the Department of Higher Education and Training.

One of the student priorities is a common space in the form of an open amphitheatre in front of the library.

‘’The amphitheatre is a highly-welcomed structure on our campus as it will provide students with an informal environment to study, socialise and meet,’’ said the Campus Principal, Prof Prakash Naidoo.

‘‘We have erected this on an existing space that was already used for outdoor launches and events on the campus, and is in line with our thinking of energising student life on campus. In addition, we have complemented this with the use of solar energy, so that students can just plug in and charge their phones and laptops while they are in the amphitheatre.”

Excited students, Chibi Mosia and Tshilidzi Matshavha, in final-year Chemistry and Chemistry Honours respectively, concurred that the amphitheatre is a good project for the campus.

‘‘It is an important and distinctive feature for the campus as it adds to the growth of our beautiful campus,’’ said Mosia.

‘’It will also enhance the use of alternative energy sources to reduce the campus's carbon footprint,’’ added Matshavha.

The project is worth almost R2,5 m, and took 12 months to complete. The Department of Higher Education and Training also provided the funds for this project.

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