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Scientific article
Open access
English

Life-cycle climate-change impact assessment of enhanced geothermal system plants in the Upper Rhine Valley

Published inGeothermics, vol. 75, p. 26-39
Publication date2018
Abstract

In this study the greenhouse gas (GHG) emissions of the Rittershoffen geothermal plant in France–an operating EGS (Enhanced Geothermal System) project developed in the Upper Rhine Valley are analysed and quantified. In this study a similar analysis for the forthcoming EGS in Illkirch Graffenstaden (Strasbourg) is also presented. Life cycle inventory is constructed based on a real project. Five different scenarios comprising a heat plant, powerplants and cogeneration plants are developed respecting LCA (Life Cycle Assessment). Contribution of each phase and material type towards GHG emissions is studied using hot spot analysis. In this study some site-specific approaches to potentially reduce of GHG emissions are also assessed. This study is a useful reference towards LCA studies of EGS as it analyses the first EGS utilization for industrial heat.

Keywords
  • Geothermal
  • LCA
  • EGS
  • Deep Geothermal
  • Green House Gas
  • CO2
Affiliation Not a UNIGE publication
Citation (ISO format)
PRATIWI, Astu Sam, RAVIER, G., GENTER, A. Life-cycle climate-change impact assessment of enhanced geothermal system plants in the Upper Rhine Valley. In: Geothermics, 2018, vol. 75, p. 26–39. doi: 10.1016/j.geothermics.2018.03.012
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Article (Published version)
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ISSN of the journal0375-6505
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Creation04/12/2019 2:19:00 PM
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