Category: Renewables

  • Return on investment *UPDATE*

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    We decided to update our Return on Investment spreadsheet to make it work a bit better for Solar PV investments.

  • Sunshine banking – How to REALLY calculate Return on Investment for solar, LEDs, anything!

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    Lots of energy saving devices require big investments in upfront equipment. Solar Water Heaters, LED lights, Photovoltaics and Heat Pumps all require big expenditure to get going. They make up for that expense by saving you money in the long term. But how do you decide whether it is best to put your money into your…

  • Eskom struggling? Help them, help yourself!

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    Over the past few months there has been news story after news story of Eskom struggling with: I’m not going to get into the politics of it all, but needless to say, it might be a good time to start helping yourself and Eskom by producing your own power? So what can you use to go…

  • Your Green *Home*

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    Congratulations to the Green Building Council South Africa on their My Green Home initiative! You can keep track of this excellent energy saving programme here http://mygreenhome.org.za/ Their site is loaded with tips on making Your Home Green, whether that’s saving electricity (our favourite!) or reducing the amount of waste you send to landfill or water that you…

  • Understanding Solar Water Heaters

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    Solar water heaters are a great, useful and money-saving device. But if you’re a household looking for Solar Water Heater you might get a bit lost with all the promises of “save up to 30% on your electricity bill”, “save over 50% on your heating”. I was recently walking around Builders Warehouse and spotted a flyer for…