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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

Kovsie's netball players triumph

2009-07-24

The Free State U-19 team that won the 2009 SA’s tournament that was held in Mafikeng.

In action are Danique du Toit (left) and Mioné Steinman of the Free State U-19 team against the Western Province. They also won the 2009 SA’s tournament that was held in Mafikeng.
Photos: Markus Steinman

The University of the Free State’s (UFS) first netball team brought the silver medal home this year after they ended second in the University Sport South Africa (USSA) Tournament that was held in Johannesburg. According to Ms Burta de Kock from KovsieSport at the UFS and coach of the team, the team suffered somewhat due to injuries and the fact that eight of their players were newcomers.

In spite of these challenges, six of the UFS players were included in the USSA team. They are Carine Terblanche, Shirolene Smith, Lienke Perold, Anuschka Greeff, Karla Mostert and Anja Zandberg. Karin Venter, also from KovsieSport at the UFS, was appointed as coach of the SA Universities Team.

Kovsie’s netball players also recently played for the Free State U-19 team in a tournament in Mafikeng. The entire team consisted of Kovsies. They won the gold medal by winning all their matches against other regions and provinces. Four of the Kovsie players were also included in the South African U-19 group. They are Karla Mostert, Mione Steinman, Cleopatra Kgoputso and Anuschka Greeff. Anuschka was named as the best goal shooter during the tournament.

The entire Free State U-21 team, which brought home the silver medal after they had lost to Gauteng in the final match, also consisted of Kovsie netball players. Six of these players were included in the South African U-21 team. They are Anja Opperman, Anja Zandberg, Poppie Thethele, Rika Stevenson, Nadia Nieuwoudt and Iselma Parkin. Iselma Parkin was also named the best defender of the tournament and Poppie Thethele the best centre player.

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