Geothermal based hybrid energy systems, toward eco-friendly energy approaches

Abdul Ghani Olabi, Montaser Mahmoud, Bassel Soudan, Tabbi Wilberforce, Mohamad Ramadan

Research output: Contribution to journalArticle

Abstract

Geothermal Energy is a very attractive source of naturally-occurring green renewable energy. Exploiting this natural resource is straightforward and causes almost no ill effects to the environment. But, while geothermal does not suffer the intermittence of other renewable sources, its extraction efficiency is fairly modest as compared to other sources. As a result, there has been significant interest recently in hybrid systems that integrate geothermal and other forms of energy to increase the output efficiency. This work will survey the different possible integrations involving geothermal energy. A review of the literature shows that the most common hybrid systems implementation involve the integration of geothermal with solar (45% of systems) followed by the integration of a cooling tower into the geothermal system (30% of systems). This work will also investigate the applications for geothermal hybrids and show that 44% of systems are designed for heating applications. Another 44% are used for cooling while only 12% are designed for electrical power generation. Complexity of control remains as the main obstacle facing hybrid multi-source energy systems including those involving geothermal energy.
Original languageEnglish
Pages (from-to)2003-2012
Number of pages10
JournalRenewable Energy
Volume147
Issue numberPart 1
Early online date2 Oct 2019
DOIs
Publication statusE-pub ahead of print - 2 Oct 2019

Fingerprint

Geothermal energy
Hybrid systems
Cooling towers
Natural resources
Power generation
Cooling
Heating

Keywords

  • Geothermal energy
  • Hybrid system
  • Environment
  • Heating
  • Cooling
  • Power generation

Cite this

Olabi, A. G., Mahmoud, M., Soudan, B., Wilberforce, T., & Ramadan, M. (2020). Geothermal based hybrid energy systems, toward eco-friendly energy approaches. Renewable Energy, 147(Part 1), 2003-2012. https://doi.org/10.1016/j.renene.2019.09.140
Olabi, Abdul Ghani ; Mahmoud, Montaser ; Soudan, Bassel ; Wilberforce, Tabbi ; Ramadan, Mohamad. / Geothermal based hybrid energy systems, toward eco-friendly energy approaches. In: Renewable Energy. 2020 ; Vol. 147, No. Part 1. pp. 2003-2012.
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Olabi, AG, Mahmoud, M, Soudan, B, Wilberforce, T & Ramadan, M 2020, 'Geothermal based hybrid energy systems, toward eco-friendly energy approaches', Renewable Energy, vol. 147, no. Part 1, pp. 2003-2012. https://doi.org/10.1016/j.renene.2019.09.140

Geothermal based hybrid energy systems, toward eco-friendly energy approaches. / Olabi, Abdul Ghani; Mahmoud, Montaser; Soudan, Bassel; Wilberforce, Tabbi ; Ramadan, Mohamad.

In: Renewable Energy, Vol. 147, No. Part 1, 31.03.2020, p. 2003-2012.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Geothermal based hybrid energy systems, toward eco-friendly energy approaches

AU - Olabi, Abdul Ghani

AU - Mahmoud, Montaser

AU - Soudan, Bassel

AU - Wilberforce, Tabbi

AU - Ramadan, Mohamad

PY - 2019/10/2

Y1 - 2019/10/2

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AB - Geothermal Energy is a very attractive source of naturally-occurring green renewable energy. Exploiting this natural resource is straightforward and causes almost no ill effects to the environment. But, while geothermal does not suffer the intermittence of other renewable sources, its extraction efficiency is fairly modest as compared to other sources. As a result, there has been significant interest recently in hybrid systems that integrate geothermal and other forms of energy to increase the output efficiency. This work will survey the different possible integrations involving geothermal energy. A review of the literature shows that the most common hybrid systems implementation involve the integration of geothermal with solar (45% of systems) followed by the integration of a cooling tower into the geothermal system (30% of systems). This work will also investigate the applications for geothermal hybrids and show that 44% of systems are designed for heating applications. Another 44% are used for cooling while only 12% are designed for electrical power generation. Complexity of control remains as the main obstacle facing hybrid multi-source energy systems including those involving geothermal energy.

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Olabi AG, Mahmoud M, Soudan B, Wilberforce T, Ramadan M. Geothermal based hybrid energy systems, toward eco-friendly energy approaches. Renewable Energy. 2020 Mar 31;147(Part 1):2003-2012. https://doi.org/10.1016/j.renene.2019.09.140