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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

New SADC Groundwater Management Institute will strengthen UFS footprint in Africa
2015-07-30

Prof Danie Vermeulen
Photo: Anja Aucamp

The new SADC Groundwater Management Institute (SADC GMI) will be fully operational in 2016, says Prof Danie Vermeulen, Head of the Institute for Groundwater Studies (IGS) at the University of the Free State.

The SADC GMI will have its offices in the IGS building on the Bloemfontein Campus. The UFS will be responsible for the financial side of the operation. The IGS, SADC member states, and the World Bank are co-operating on this project, which will build sustainable groundwater management across regional borders.  Universities in the region tendered for the project, but the proposal by the IGS towered above the rest, Prof Vermeulen says.

The SADC GMI will strengthen the capacity of institutions to establish sustainable groundwater management. It will promote the management and development of groundwater infrastructures, and advance knowledge about national and trans-boundary groundwater. With the establishment of the new institute, research will be conducted, knowledge shared, and capacity built.

Prof Vermeulen says research has shown that groundwater is a primary source of water for more than 70% of the 250 million people in the drought-prone SADC region. The rapid expansion of commercial farming and industry is putting great pressure on water resources; 67% of all water is used in agriculture.

The new institute is an important instrument for the UFS to strengthen its footprint in Africa.  “The SADC GMI is about distributing knowledge across the SADC region. It is important for the UFS to extend into Africa. The official collaboration between the UFS, the World Bank, and the SADC countries enables us to reach the goal,” Prof Vermeulen says.

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