The paper examined the case study of the Saudi electricity sector and provided projections for energy use and respective carbon dioxide (CO 2 ) emissions for the period 2010–2025 with and without cleaner energy technologies. Based on two sets of 20 life cycle assessment studies for carbon capture and storage and solar photovoltaic technologies, CO 2 emission reduction rates were used for projecting future CO 2 emissions. Results showed enormous savings in CO 2 emissions, for the most likely case, year 2025 reported savings that range from 136 up to 235 MtCO 2 . Including low growth and high growth cases, these savings could range from 115 up to 468 MtCO 2 presenting such an unrivalled opportunity for Saudi Arabia. These projections were developed as a way of translating the inherent advantages that cleaner energy technologies could provide for CO 2 emissions savings. It is hoped that the results of this paper would inform energy policymaking in Saudi Arabia. • Electricity use in Saudi Arabia is predicted in the period 2010–2025. • Use of photovoltaic plants and carbon capture and storage are considered. • Life cycle assessment of the options is conducted. • Carbon emissions with and without the renewable energy are estimated. • The projections showcase the CO 2 emissions savings.

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