Solar radiation, temperature variations, and seasonal differences

Solar radiation, temperature variations, and seasonal differences

By James Green

The performance of solar water heaters is determined by type and where it is operating. The levels of solar radiation across South Africa vary considerably, as does the ambient and cold water temperatures.

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New buildings’ energy efficiency

New buildings’ energy efficiency

By James Green

What does SANS 10400-XA 2 really mean for solar?

I monitor the electricity consumption on several electric geysers on a daily basis. One couple I know uses 6–8kWh per day in summer. In winter, their consumption jumps to 12–14kWh per day.

Read more: New buildings’ energy efficiency

Energised indaba

Energised indaba

The ninth annual Africa Energy Indaba delivered a successful week of strategic engagements, an exhibition, and networking functions. The debates and discussions provided opportunities to both African and national energy players in attendance to unlock energy access across the continent.

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Wetlands – their critical role

Wetlands – their critical role

By Rory Macnamara

The issue of wetlands was highlighted recently at a two-day workshop hosted at the South African National Biodiversity Institute (SANBI) in celebration of World Wetlands Day, held on 2 February every year.

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