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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

Kovsie student trailblazing to literary stardom

2013-10-24

Ace Moloi with a copy of his book In Her Fall Rose a Nation
Photo: Jerry Mokoroane
24 October 2013

Ace Moloi proves that ambition and self-belief are key ingredients in achieving your dreams. At merely 21-years of age, this Kovsie student made his entrance onto the literary scene with the launch of his first novel. In Her Fall Rose a Nation tells the story of a young girl who leaves her rural home to further her studies in the city. Loosing herself in the excitement of student life, she gets kicked out of university. As a result she has to find refuge in the streets that devour her last bit of hope of rising again. The novel, published by New Voices Publishing, was introduced to an eager audience at the Bloemfontein Campus.

Moloi, a third-year Communications student and prime of House Tswelopele, says his book is a unique offering that will inspire and intrigue.

"The inspiration behind this project emanates mainly from the realisation that as much as we bemoan the lack of reading among young people – particularly in the townships and rural areas – we haven’t taken the initiative to write books that will speak to them and their day-to-day circumstances."

The talented writer, who is also a content contributor for News24 and a former IRAWA Post news editor, says he has been influenced by the writings of extraordinary individuals such as Kwasi Koranteng, Steve Biko and Dr KPD Maphalla. It took him three years to write the book, Ace says, mentioning that it first started as a Sesotho novel, that was later turned into English.

Already working on his second manuscript, Prey and Predators, Ace’s message to fellow students is to never underestimate the power of dreams. "By nature, dreams are unique, and so is yours. Own it up. Defend it. Realise it. Most importantly, never allow anyone to make you feel guilty for having great ambitions, for without ambition there is no meaning at all to life."

* In Her Fall Rose a Nation sells for R100 and can ordered from Ace at ace.moloi@gmail.com. The book can also be ordered online for R150 from New Voice Publishing online bookstore at www.newvoices.co.za.

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