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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

Senior leadership approves CSRC appeal

2012-05-14

The senior leadership of the UFS has approved the appeal lodged by the Central Student Representative Council (CSRC) to allow students deregistered on 30 April 2012 for not meeting their financial obligations, to write the May/June 2012 exams.

As from 14 May 2012, a relatively small number of 428 deregistered students will automatically have their registration reinstated and they will be granted the opportunity to write exams, provided that they have obtained a 40% predicate mark for each module.

A name list of the deregistered students will be sent to the heads of departments where they were enrolled. Only students who have obtained a 40% semester mark will be permitted to write exams.

Today the Executive Committee of Senate approved a recommendation that those students who only become aware of this arrangement after one of their scheduled modules has already been examined, may apply for permission to the Academic Timetables and Venues Office, Room 166, George du Toit Administration Building on the Bloemfontein Campus, to write a special examination. On the Qwaqwa Campus students may apply for permission to the Examination Section, Room 137 in the Administration Building.

This will, however, be a once-off opportunity and students will not be afforded another opportunity to write exams if they miss the first examination opportunity as well as the special examination. A student who writes only the special examination and fails will not be given a further opportunity. A student who writes the main examination and does poorly, but qualifies for a supplementary examination, may write the supplementary examination in the additional examination period.

This arrangement applies to all UFS campuses.

Media Release
14 May 2012
Issued by: Lacea Loader
Director: Strategic Communication
Tel: +27(0)51 401 2584
Cell: +27(0)83 645 2454
E-mail: news@ufs.ac.za

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