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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

Prof Prakash Naidoo appointed as Vice-Rector: Operations

2017-09-13

Prof Prakash Naidoo has been appointed
as Vice-Rector: Operations
Photo: Stephen Collet

The Council of the University of the Free State (UFS) approved the appointment of Prof Prakash Naidoo as Vice-Rector: Operations, during its quarterly meeting held on the South Campus in Bloemfontein on 8 September 2017.

Prof Naidoo is a former Deputy Vice-Chancellor: Resources and Planning at the Vaal University of Technology (VUT). He has also been the Executive Dean: Faculty of Management Sciences at VUT. Prior to this, he was a lecturer in the Department of Accounting at the Durban University of Technology (DUT), and Vice-Dean and Acting Dean of the Faculty of Commerce at DUT.
“Prof Naidoo is a seasoned senior manager and an excellent appointment in this vital position. He understands the higher-education sector, and the Council is satisfied by the quality and extent of experience which he will bring to the position,” said Mr Willem Louw, Chairperson of the UFS Council.

He holds a PhD in Management Accounting, MComm in Management Accounting, Honours in Accounting, Honours in Economics, BComm (Acc), and a University Diploma in Education.

Prof Naidoo is a registered professional accountant with the South African Institute of Professional Accountants (SAIPA), an associate of the Chartered Institute of Business Management (CIBM), and an Internationally Certified Fraud Examiner (ACFE). He was also an international associate of the American Institute of Certified Public Accountants (AICPA).
He served as member and chairperson on various boards and forums, including the Investment Committee of the National Tertiary Retirement Fund (NTRF); Audit Committee of the National Institute on Higher Education in Mpumalanga (NIHE); Audit Committee of the Higher Education Purchasing Consortium (PURCO), and other task teams in higher education. He also served as a former director of ACFE (SA Chapter), where he received a commendation for his work in fighting fraud and corruption in the country. He has written and published numerous papers, supervised research, presented papers at conferences, and published one book.
Prof Naidoo is currently the Campus Principal of the university’s Qwaqwa Campus. He will start in the new position as from 1 January 2018, following the subsequent retirement of Prof Nicky Morgan, current Vice-Rector: Operations at the end of December 2017.

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