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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

During 2011: Infrastructure at the UFS

2011-12-01

Video clips:

Health Sciences Building
Clinical Skills Centre
Economic Sciences and Lecture Hall Building
Teacher Education Building
Biotechnology Building

A publication in which the infrastructure developments at the UFS are portrayed, was published this year. This publication celebrates the enormous development projects undertaken.

Constructive change (part 1)	Constructive change (part 2)	Constructive change (part 3)

Much has been done this past year to improve the infrastructure of our Bloemfontein and Qwaqwa Campuses with several buildings being built, some renovated and improvements made. Attention was specifically given to the growing need for lecture hall facilities and office space.

Some of the developments on our Bloemfontein Campus include: a brand-new entrance in Nelson Mandela Drive; a Memorial for Women and a Botanical Garden; a building for teacher education opposite the UFS Sasol Library; a building for our Faculty of Health Sciences opposite the Francois Retief Building; a Clinical Skills Centre for Allied Health Professions (the first in the country); and a building for our Faculty of Economic and Management Sciences between the Flippie Groenewoud Building and Wynand Mouton Theatre.

On our Qwaqwa Campus a building for teacher education is being constructed and some of the laboratories were refurbished and upgraded. More student accommodation is also well underway. A village development of four housing units that will accommodate 1000 students will be constructed on our Bloemfontein Campus.
Renovations and extensions were also made to some of the existing buildings such as the Architecture Building, the Biotechnology Building, the Department of Chemistry, the Stef Coetzee Building, the foyer of the Odeion, the Wynand Mouton Theatre and the Callie Human Centre. A staff restaurant has also been established on the Bloemfontein Campus and the building of ‘Little Professors’, a nursery school, is well underway.
“A building not only signals value to the outside; it also builds value on the inside. That is why it is important to notice how space has been organised and allocated to enhance the building of a community and to give academics, students and communities a sense of belonging to the university,” says Prof. Jonathan Jansen, our Vice-Chancellor and Rector.

The funding for most of the projects was made possible with an infrastructural grant from the Department of Education and Training.

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