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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

Learners to benefit from UFS Partnership for academic excellence
2013-02-21

 

Thokoana Makaota learners listening attentively during the launch of the partnership with the UFS.
Photo: Thabo Kessah
21 February 2013

The university’s quest for academic excellence in the education system paved the way for the Faculty of Education on the Qwaqwa Campus to enter into a mutually beneficial partnership with a local school, Thokoana Makaota Secondary.

This recently launched partnership will enable learners who are currently in grades 10-12 to attend supplementary classes on the campus.

“The aim of this partnership is to expose learners from the school to adequate tuition in subjects that are generally perceived as difficult. We want them to gain as much confidence as possible when tackling these subjects, therefore they will be using our well-equipped laboratories and classes”, said Dr Lekhooe Letsie, the Programme Coordinator.

“We will also benefit from this as our own final-year education students will act as tutors. This will help them gain confidence before they venture into the real job market next year,” Dr Letsie said.

Dr Letsie also revealed that the student-teachers will be closely monitored by their mentors to ensure maximum success.

The school’s Deputy Principal and UFS alumnus, Serame Sello, said that the school felt humbled by this gesture from the UFS.

“We are confident that this working relationship will yield very positive results for the school and enable us to improve on the 84% pass rate obtained in 2012,” Sello said.

“We did not do so well in the subjects that will be covered here. For instance, we obtained 43% and 61% in Physical Science and Mathematics respectively, but with this partnership we hope for improved results this year,” said Sello.

Other subjects to be covered include Geography, Life Sciences, Economics, and Accounting. The different grades will commute to and from campus on different afternoons.

 

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