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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

Charlotte Maxeke Memorial Lecture launches national Women’s Month Celebrations

2012-08-17

Free State Premier Ace Magashule with President Jacob Zuma during the Charlotte Maxeke Memorial Lecture held on the Bloemfontein Campus.
Photo: Stephen Collett
6 August 2012

“Mother of African Freedom, heroine, teacher, unifier and true revolutionary.”

That is how dignitaries such as President Jacob Zuma, African Union (AU) Commission Chairperson Dr Nkosazana Dlamini Zuma, Basic Education Minister Angie Motshekga and others described Charlotte Maxeke, the woman they came to celebrate at the University of the Free State on 4 August 2012.

President Zuma honoured the life of the ANC Women’s League stalwart in delivering the fifth annual Charlotte Maxeke Memorial Lecture. The event officially kicked off the national Women’s Month celebrations and thousands of people made their way to the Bloemfontein Campus to listen to the President’s address.

President Zuma told the audience in the Callie Human Centre that women activism had not started with the 1956 march to the Union Buildings – it began much earlier. He spoke about Charlotte Maxeke’s leading role in the landmark 1913 march against pass laws in Bloemfontein and said this had inspired bravery and enthusiasm in the hearts of many in the struggle.

“As a collective, we must emulate the contribution of Mama Maxeke. In her honour, we must continue to open new paths for women, enable them to break new ground in leadership." President Zuma said Charlotte Maxeke, who believed a woman’s place was everywhere, had to be smiling with regard to Dr Dlamini Zuma’s appointment as Chairperson of the AU Commission.

In her speech, Dr Dlamini Zuma encouraged women to embrace the African Decade of Women, saying it was their responsibility to define and implement the changes they want to see. “We should define for ourselves what this decade means, define that we want to do, the role we want to play and achieve during this decade.”

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