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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

Standing in solidarity against suicide

2015-09-28

Students take collective action against the plight of suicide

Many students are battling depression, and have contemplated suicide. Some have lost the battle and, in turn, their lives. Suicide is a difficult topic to discuss and, even more challenging, to face its repercussions. The Leadership for Change (F1) 2014/2015 cohort took the initiative to change this through the TooSoon campaign.

A day after International Suicide Awareness Day, on Friday 11 September 2015, students marched in solidarity from Thakaneng Bridge to the Red Square on the University of the Free State’s Bloemfontein Campus.

The TooSoon team has forged links with the student community, Student Affairs, Student Counselling and Development, as well as the Health and Wellness offices to break the silence about the topic of suicide.

Every student has the potential to live a long and purposeful life. So, when someone ends his or her life, it is always too soon: this is the message the team is communicating. Awareness-raising was kick-started in August, with information sessions held at residences across the campus and the Bridge. The campus was plastered with posters offering emergency contact details for those in need of counselling, and culminated in the silent march.

At the end of the march, those who had already lost the battle were remembered through song and poetry. Students then pledged their support by painting their fingers with yellow paint and printing them on a canvas,,symbolising their solidarity in the fight against suicide.

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