Poster (Scientific congresses and symposiums)
Mines as lower reservoir of an UPSH (Underground Pumped Storage Hydroelectricity): groundwater impacts and feasibility
Bodeux, Sarah; Pujades, Estanislao; Orban, Philippe et al.
2016EGU General Assembly 2016
 

Files


Full Text
EGU2016 - Abstract - BODEUX.pdf
Publisher postprint (37.27 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
UPSH; Hydroelectricity; Energy storage; Groundwater modelling
Abstract :
[en] The energy framework is currently characterized by an expanding use of renewable sources. However, their inter- mittence could not afford a stable production according to the energy demand. Pumped Storage Hydroelectricity (PSH) is an efficient possibility to store and release electricity according to the demand needs. Because of the topographic and environmental constraints of classical PSH, new potential suitable sites are rare in countries whose topography is weak or with a high population density. Nevertheless, an innovative alternative is to construct Underground Pumped Storage Hydroelectricity (UPSH) plants by using old underground mine works as lower reservoir. In that configuration, large amount of pumped or injected water in the underground cavities would impact the groundwater system. A representative UPSH facility is used to numerically determine the interactions with surrounding aquifers Different scenarios with varying parameters (hydrogeological and lower reservoir char- acteristics, boundaries conditions and pumping/injection time-sequence) are computed. Analysis of the computed piezometric heads around the reservoir allows assessing the magnitude of aquifer response and the required time to achieve a mean pseudo-steady state under cyclic solicitations. The efficiency of the plant is also evaluated taking the leakage into the cavity into account. Combining these two outcomes, some criterions are identified to assess the feasibility of this type of projects within potential old mine sites from a hydrogeological point of view.
Research center :
Hydrogeology & Environmental Geology - ArGEnCo Dpt.
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Bodeux, Sarah ;  Université de Liège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Pujades, Estanislao ;  Université de Liège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Orban, Philippe  ;  Université de Liège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Dassargues, Alain  ;  Université de Liège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Language :
English
Title :
Mines as lower reservoir of an UPSH (Underground Pumped Storage Hydroelectricity): groundwater impacts and feasibility
Publication date :
20 April 2016
Event name :
EGU General Assembly 2016
Event organizer :
European Geosciences Union
Event place :
Vienna, Austria
Event date :
17-22 April 2016
Audience :
International
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
Available on ORBi :
since 05 May 2016

Statistics


Number of views
55 (10 by ULiège)
Number of downloads
36 (7 by ULiège)

Bibliography


Similar publications



Contact ORBi