Underground pumped storage hydropower plants using open pit mines: How do groundwater exchanges influence the efficiency?

Estanislao Pujades, Philippe Orban, Sarah Bodeux, Pierre Archambeau, Sébastien Erpicum and Alain Dassargues

Applied Energy, 2017, vol. 190, issue C, 135-146

Abstract: Underground Pumped Storage Hydropower (UPSH) is a potential alternative to manage electricity production in flat regions. UPSH plants will interact with the surrounding porous medium through exchanges of groundwater. These exchanges may impact the surrounding aquifers, but they may also influence the efficiency of the pumps and turbines because affecting the head difference between the reservoirs. Despite the relevance for an accurate efficiency assessment, the influence of the groundwater exchanges has not been previously addressed.

Keywords: Pumped storage; Hydropower; Energy storage; Open pit; Efficiency; Groundwater (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (20)

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DOI: 10.1016/j.apenergy.2016.12.093

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