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Climate change, renewable energy and population impact on future energy demand for Burkina Faso built environment

Ouedraogo, Bachir Ismael

[Thesis]. Manchester, UK: The University of Manchester; 2012.

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Abstract

This research addresses the dual challenge faced by Burkina Faso engineers to design sustainable low-energy cost public buildings and domestic dwellings while still providing the required thermal comfort under warmer temperature conditions caused by climate change. Past and potential climate induced future energy demand for air conditioning has been investigated. It was found based on climate change SRES scenario A2 that predicted mean temperature in Burkina Faso will increase by 2°C between 2010 and 2050. Therefore, in order to maintain a thermally comfortable 25°C inside public buildings, the projected annual energy consumption for cooling load will increase by 15%, 36% and 100% respectively for the period between 2020 to 2039, 2040 to 2059 and 2070 to 2089 when compared to the control case. It has also been found that a 1% increase in population growth will result in a 1.38% and 2.03% increase in carbon emission from primary energy consumption and future electricity consumption respectively.Furthermore, this research has investigated possible solutions for adaptation to the severe climate change and population growth impact on energy demand in Burkina Faso. It has been found that shading devices could potentially reduce the cooling load by up to 40%. Computer simulation programming of building energy consumption and a field study has shown that adobe houses have the potential of significantly reducing energy demand for cooling and offer a formidable method for climate change adaptation. Finally this research has shown, based on the Net Present Cost that hybrid photovoltaic (PV) and Diesel generator energy production configuration is the most cost effective local electricity supply system, for areas without electricity at present, with a payback time of 8 years when compared to the business as usual diesel generator stand-alone configuration. It is therefore a viable solution to increase electricity access to the majority of the population.