Tobias Massier
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Publication details

Geothermal Energy-driven Electricity Generation Model for Singapore

Publication data

Type:
Chapter in multi-author book
Authors:
Anurag Chidire, Jerry Chan Sin Loong, Balaganesha Balasubramaniam Veerasamy, Lizhong Yang, Hendrik Tjiawi, Jonathan Poh, Cliff Khiok Eng Chua, Jian Wei Mark Lim, Wei Wu, Tobias Massier and Alessandro Romagnoli
Published in:
Lecture Notes in Civil Engineering, vol. 471
(Electronic ISBN: 978-981-97-1257-1, Print ISBN: 978-981-97-1256-4) (Electronic ISSN: 2366-2565, Print ISSN: 2366-2557)
Issue:
Publisher:
Springer, Heidelberg (Baden-Württemberg, Germany)
Publication date:
July 2024
Editors:
Wei Wu, Chun Fai Leung, Yingxin Zhou and Xiaozhao Li
Pages:
1173–1175
Abstract:
Singapore is exploring potential geothermal reservoirs to reduce its reliance on natural gas and transition towards sustainable energy sources. With only 4 % of registered power generation capacity coming from renewables, the city-state aims to achieve net-zero emissions by 2050. The study focuses on harnessing low- to medium-temperature geothermal resources for electricity generation using organic Rankine cycle (ORC), which is a heat-to-power conversion technology. The simulation results project that each Enhanced Geothermal System (EGS) well doublet has an electrical generation capacity of 0.93 MWe, equivalent to about 7 GWh annually. This EGS-ORC system can be scaled up to exploit the heat within Singapore’s granite. Furthermore, the study conducts comprehensive analyses, employing Life Cycle Assessment (LCA) and Life Cycle and Cost Analysis (LCCA) methodologies. LCA reveals that geothermal electricity's global warming potential is significantly lower than Singapore's current grid emission factor. LCCA estimations show the net-present levelized cost of electricity is competitive with Singapore's long-run marginal cost and aligns with the Uniform Singapore Energy Price. The rejected hot fluid from the geothermal system can further enhance its economic viability. The study offers valuable insights for urban planners, policymakers, and researchers in Singapore's transition towards resilient and eco-conscious energy systems.
Keywords:
Geothermal energy, Organic Rankine cycle
DOI:

Further information

Note:
The accepted manuscript of this chapter will be available on my website after the embargo period, i.e. from July 2025.
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Format: 
@incollection{Chidire_GeothermalEnergydriven_2024,
  author    = {Chidire, Anurag and Loong, Jerry Chan Sin and Veerasamy, Balaganesha Balasubramaniam and Yang, Lizhong and Tjiawi, Hendrik and Poh, Jonathan and Chua, Cliff Khiok Eng and Lim, Jian Wei Mark and Wu, Wei and Massier, Tobias and Romagnoli, Alessandro},
  title     = {Geothermal Energy-driven Electricity Generation Model for {Singapore}},
  year      = {2024},
  month     = jul,
  editor    = {Wu, Wei and Leung, Chun Fai and Zhou, Yingxin and Li, Xiaozhao},
  booktitle = {Lecture Notes in Civil Engineering},
  isbn      = {978-981-97-1257-1},
  issn      = {2366-2565},
  publisher = {Springer},
  address   = {Heidelberg, Germany},
  chapter   = {153},
  volume    = {471},
  pages     = {1173--1175},
  doi       = {10.1007/978-981-97-1257-1\_153},
  keywords  = {Geothermal energy, Organic Rankine cycle},
}
@incollection{Chidire_GeothermalEnergydriven_2024,
  author     = {Chidire, Anurag and Loong, Jerry Chan Sin and Veerasamy, Balaganesha Balasubramaniam and Yang, Lizhong and Tjiawi, Hendrik and Poh, Jonathan and Chua, Cliff Khiok Eng and Lim, Jian Wei Mark and Wu, Wei and Massier, Tobias and Romagnoli, Alessandro},
  title      = {Geothermal Energy-driven Electricity Generation Model for {Singapore}},
  date       = {2024-07},
  editor     = {Wu, Wei and Leung, Chun Fai and Zhou, Yingxin and Li, Xiaozhao},
  booktitle  = {Lecture Notes in Civil Engineering},
  issuetitle = {Proceedings of the 18th Conference of the Associated Research Centers for the Urban Underground Space (ACUUS 2023)},
  isbn       = {978-981-97-1257-1},
  issn       = {2366-2565},
  publisher  = {Springer},
  location   = {Heidelberg, Germany},
  chapter    = {153},
  volume     = {471},
  pages      = {1173--1175},
  doi        = {10.1007/978-981-97-1257-1\_153},
  keywords   = {Geothermal energy, Organic Rankine cycle},
}
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