Tag Archives | solar system

Micro Solar Systems: a Life Changer for the Developing World

A solar phone charging station in Uganda If someone offered you a solar system for $12, you’d probably be immediately suspicious. Once they told you it only powered a LED light bulb and charging plug for your cell phone, you might chuckle… such a device might be kind of cool, but hardly useful… right? Not […]

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Standard Bank head office gets R2,3m solar hybrid water-heating system

Banking group Standard Bank has invested R2,3-million in a hybrid solar water heating and heat pump system at the company’s head office in Johannesburg, as it moves to increase energy efficiency and reduce its carbon footprint. The new R2,3-million system, installed by Kayema Energy Solutions, was expected to save nearly R1-million a year in energy […]

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BMW South Africa invests in solar water heating system

Automotive manufacturer BMW South Africa (BMW SA) has invested in a 6 500 l/day solar water heating installation, as it continues to progress with energy efficiency and cleaner production initiatives. The system provides hot water for the main canteen at the company’s plant in Rosslyn. The installation, which was designed by Voltas Technologies and installed […]

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Solar geyser collector types

There are two main types of collectors used in Solar Geysers: flat-plate collectors and vacuum tube collectors. A flat-plate collector has a transparent cover made of specially toughened glass, a coated metal absorber plate (coating is usually matt black paint), and a well-insulated weatherproof casing. Flat plate collectors are robust, economical, and versatile. Vacuum-tube collectors […]

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Waterwise Gardening in South Africa

South Africa’s water consumption is increasing despite the fact that we live in country that is predominantly semi-arid with regions that experience regular drought periods. As a country our average annual rainfall is just 450mm per annum compared to the world average of 850mm. Waterwise gardening has therefore now become an essential facet of responsible […]

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