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Solar water heating potential in South Africa in dynamic energy market conditions

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  • Donev, Georgi
  • van Sark, Wilfried G.J.H.M.
  • Blok, Kornelis
  • Dintchev, Ognjan

Abstract

This paper is an attempt to determine the potential for solar water heating (SWH) in South Africa and the prospects for its implementation between 2010 and 2030. It outlines the energy market conditions, the energy requirements related to residential and commercial water heating in the country and the solar water heating market dynamics and challenges. It was estimated that 98% of the potential is in the residential sector and the rest in the commercial sector. The total thermal demand for 20 years for water heating was estimated to 2.2EJ. A ‘Moderate SWH implementation’ will provide 0.83EJ of clean energy until 2030 and estimated cost savings of 231 billion rand. For an ‘Accelerated SWH implementation’ these figures are 1.3EJ and 369 billion rand. The estimated accumulated reduction of CO2 emissions due to SWH can be as high as 297Mt. The increased affordability of residential hot water due to SWH is an important social factor and solar water heating has a strong social effect.

Suggested Citation

  • Donev, Georgi & van Sark, Wilfried G.J.H.M. & Blok, Kornelis & Dintchev, Ognjan, 2012. "Solar water heating potential in South Africa in dynamic energy market conditions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 3002-3013.
    • Handle: RePEc:eee:rensus:v:16:y:2012:i:5:p:3002-3013
    DOI: 10.1016/j.rser.2012.01.065
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    References listed on IDEAS

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    1. Madubansi, M. & Shackleton, C.M., 2006. "Changing energy profiles and consumption patterns following electrification in five rural villages, South Africa," Energy Policy, Elsevier, vol. 34(18), pages 4081-4092, December.
    2. Batidzirai, Bothwell & Lysen, Erik H. & van Egmond, Sander & van Sark, Wilfried G.J.H.M., 2009. "Potential for solar water heating in Zimbabwe," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(3), pages 567-582, April.
    3. Schipper, Lee & Meyers, Stephen, 1993. "Using scenarios to explore future energy demand in industrialized countries," Energy Policy, Elsevier, vol. 21(3), pages 264-275, March.
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    4. Madhlopa, Amos & Sparks, Debbie & Keen, Samantha & Moorlach, Mascha & Krog, Pieter & Dlamini, Thuli, 2015. "Optimization of a PV–wind hybrid system under limited water resources," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 324-331.

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