Altech UEC SA is a manufacturing plant for Satellite and Terrestrial decoders and other consumer electronics. The primary processes are plastic injection moulding and electronic manufacture and assembly, and is based in Mount Edgecombe, KwaZulu Natal.

Electricity is the main source of energy, and rising costs combined with irregular supply necessitated a reduction in consumption.

Gastro Foods, a family business that first opened its doors in 1995, manufactures meat and related products for the catering and hospitality industry in South Africa. It employs 70 people and has an annual turnover of R 90million. The size of the factory in Parow Industria is 2 200m2 (with an additional 2 000m2 under construction).

Consol Glass South Africa manufactures glass-packaging solutions for a number of industries, including beer, wine, food and spirits, as well as tableware and packaging for pharmaceutical and cosmetic products, to a range of local and international customers.

In 2013, the Industrial Energy Efficiency (IEE) Project introduced the Wadeville plant to the new industrial energy-efficiency concepts of energy-management systems (EnMS) and energy-systems optimisation (ESO). As a result, a specific fan system was identified for optimisation.

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