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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

HEMIS training ‘shares insights across institutions’, says Prof Petersen

2017-08-22

UFS Rector and Vice-Chancellor Prof Francis Petersen
presents the welcoming address at the 2017 HEMIS Institute
in Bloemfontein.
Photo: Eugene Seegers

Higher education institutions such as universities need information and accurate data to make critically important management decisions. Prof Francis Petersen, Rector and Vice-Chancellor of the University of the Free State (UFS), expressed these sentiments during his introduction at the 2017 HEMIS Institute recently held in Bloemfontein.

Reporting a critical part of HE practice
The Department of Higher Education and Training (DHET) uses its Higher Education Management Information System (HEMIS) to manage and verify performance data from Higher Education Institutions (HEIs) regarding four crucial datasets, namely students, staff, space, and postdoctoral information and research fellows. HEMIS data is collected for quality control, funding, and planning purposes, in particular for steering the system and for monitoring the sector. This data must then be audited, since it is used for subsidy allocations to HEIs.

“Institutional reporting on aspects of what we do as public universities is a critical part of practice in Higher Education,” said Prof Petersen. He added, “Whether about insourcing statistics, … student accommodation, or transformation and indicators within that domain, it’s really all about accurate data with which informed, evidence-based decisions can be made. This HEMIS Institute 2017 ultimately enables us to share insights across institutions, which can grow and strengthen the sector as a whole.”

‘It’s about accurate data with
which informed decisions can
be made’—Prof Francis Petersen

Public and private HEIs attend training alongside government reps
The Institutional Information Systems Unit of the Directorate for Institutional Research and Academic Planning (DIRAP) hosted and presented the Southern African Association for Institutional Research (SAAIR) HEMIS Foundations workshop and the annual HEMIS Institute in Bloemfontein. These training opportunities were attended by university data managers and representatives from 26 public and private HEIs, as well as representatives from the Council on Higher Education (CHE), DHET, and the Namibian National Council for Higher Education (NCHE). The Foundations workshop was designed to assist those new to the platform to be better acquainted with this data management tool, while the two-day Institute was structured to answer complex questions and address issues around the use of the relevant reporting structures and software.

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