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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

UFS provides sign language skills to locals

2016-02-12

Description: UFS provides sign language skills to locals Tags: Sign language

Susan Lombaard teaching at one of the sessions
Photo: Valentino Ndaba

The public and private sectors are becoming more aware of the need for effective communication between employers, employees, and clients who use Sign Language. Given that Sign Language is the first language of approximately 600 000 people in South Africa, competence in the language means taking the first step towards more inclusive service delivery.

Shout Out Loud - a project that promotes Sign Language - has signed up Bloemfontein Celtics, Centlec, Beyond Boundaries, and the Mangaung Municipality on a Basic South African Sign Language course at the University of the Free State.

No miscommunication

Susan Lombaard, the Acting Head at the Department of South African Sign Language, was one of the lecturers who presented the 40-hour accredited course every Friday from 15 January-12 February 2016. Other lecturers who were responsible for training were Emily Matabane and Tshisikhawe Dzhivani.

Lombaard believes that learning Sign Language bridges the gap between the hearing and those who have impairments. “The benefit is that there will be no miscommunication. It happens that a deaf person walks into a bank or municipality offices and there is no communication. They need to write which is humiliating for that person.”

Towards a promising future

According to Goodwill Mokoena, Project Manager at Beyond Boundaries, the project will continue annually, and a larger intake of government departments and non-governmental organisations is expected in 2016.He also indicated that Shout Out Loud has achieved substantial success in its involvement with the Bartimea School for the Blind and Deaf.

Shout Out Loud selects one pupil every month, and flies them to Johannesburg to interpret on Bloemfontein Celtics’ magazine show. It is the only magazine show in South Africa that has a sign language interpreter. “The school has been achieving 100% in matric results because the pupils are selected on merit. This has enhanced their academic performance in such a marvelous way,” said Mokoena.

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