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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

Future Kovsies explore Qwaqwa Campus

2017-05-26

Learners from Molapo Secondary School in
Makoane, Qwaqwa, during Open Day.
Photo: Thabo Kessah

AMAZING! This is just one of the words used by prospective Kovsies to describe their experience, when thousands of learners visited the Qwaqwa Campus for this year’s Open Day on Saturday 20 May 2017.

“Spending time on campus and learning what the university offers even beyond academics was such an amazing experience,” said a prospective Political Studies and Governance student, Kamohelo Mofokeng from Bluegumbosch Secondary School in Qwaqwa.

“We explored both academic and support services, and getting to see and listen to motivating words from eTV stars was unforgettable,” she added. “The event was informative and many of our learners even managed to apply online using university facilities,” said Modiehi Masita, Life Orientation teacher at Tsebo Secondary School in Boiketlo, Qwaqwa.

First step in the right direction
Talking to learners, Campus Principal Prof Prakash Naidoo said their visit was the first step in the right direction.

“This is the first step towards attaining your dream qualification. You have to work hard to build yourself a career, and not aspire to be what is commonly known as a tenderpreneur,” he said. “You have come to this campus when men need to stand up and not bury their heads in the sand, as we are faced with abuse and killings of women and children. We must all stand up to abuse,” he said under resounding appreciation from learners and their teachers.

Also talking to the learners were TV stars from eTv’s Rhythm City and Scandal.

I can and I will make it
‘I can and I will make it’ led by Mapula Mafole was adopted as the war cry towards the examinations and success in life for the class of 2017. Mafole plays the role of Mapula in the TV series Rhythm City. She was accompanied by Ishmael Sango and Nkosi Cengane, who respectively play Sabelo and Emmanuel in Rhythm City, and Mbulelo Katise who plays Scelo in Scandal.

Qwaqwa Campus alumnus and hip-hop artist, TactixSA, provided entertainment.

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