Solar park concept resurfaces in ministerial determination

  The concept of a large solar park, accommodating a substantial solar energy generating capacity was first mooted in 2009, when a proposal to construct a 5 GW solar park in the Upington area was made by the minister of energy. The project has been overshadowed by the success of the REIPPPP, which ran independently […]

Experts’ Q&A: low-voltage switchgear

  Vector’s Peter Adams speaks to Paul Louw from ABB about low-voltage switchgear, its purpose, communication and the dangers of using outdated switchgear, and shares a number of tips on the selection, installation and use of LV switchgear. What is the main purpose of LV switchgear today? To put it in simple terms, modern LV […]

Q&A: Ask an expert

  In this article, we talk to IESSA technical adviser Connie Jonker about LEDs and find out whether cost-benefit studies have been conducted on them; whether manufacturers’ temperature-rise and lifetime claims hold truth, and whether we should be concerned about some imported LEDs, among others. Are there cost-benefit studies available on these lighting sources? Cost […]

Q&A: Ask an expert

In this article, we talk to IESSA technical adviser Connie Jonker about the claims made about energy-saving lamps; how the user should decide between LED and CFL; whether the wattage and efficiency claims are tested, and on the effect they have on power factor. Can the end-user have faith in the claims made about “energy […]

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