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Salt cavern exergy storage capacity potential of UK massively bedded halites, using Compressed Air Energy Storage (CAES)
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Evans, David, Parkers, Daniel, Dooner, Mark, Williamson, Paul, Williams, John, Busby, Jonathan, He, Wei, Wang, Jihong and Garvey, Seamus (2021) Salt cavern exergy storage capacity potential of UK massively bedded halites, using Compressed Air Energy Storage (CAES). Applied Sciences, 11 . 4728. doi:10.3390/app11114728
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WRAP-salt-cavern-exergy-storage-capacity-potential-UK-massively-bedded-halites-Compressed-Air-Energy-Storage-Dooner-2021.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (8Mb) | Preview |
Official URL: http://dx.doi.org/10.3390/app11114728
Abstract
The increasing integration of large-scale electricity generation from renewable energy sources in the grid requires support through cheap, reliable, and accessible bulk energy storage technologies, delivering large amounts of electricity both quickly and over extended periods. Compressed air energy storage (CAES) represents such a storage option, with three commercial facilities using salt caverns for storage operational in Germany, the US, and Canada, with CAES now being actively considered in many countries. Massively bedded halite deposits exist in the UK and already host, or are considered for, solution-mined underground gas storage (UGS) caverns. We have assessed those with proven UGS potential for CAES purposes, using a tool developed during the EPSRC-funded IMAGES project, equations for which were validated using operational data from the Huntorf CAES plant. From a calculated total theoretical ‘static’ (one-fill) storage capacity exceeding that of UK electricity demand of ≈300 TWh in 2018, filtering of results suggests a minimum of several tens of TWh exergy storage in salt caverns, which when co-located with renewable energy sources, or connected to the grid for off-peak electricity, offers significant storage contributions to support the UK electricity grid and decarbonisation efforts.
| Item Type: | Journal Article | ||||||
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| Subjects: | Q Science > QE Geology T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TN Mining engineering. Metallurgy |
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| Divisions: | Faculty of Science > Engineering | ||||||
| Library of Congress Subject Headings (LCSH): | Compressed air -- Underground storage , Energy storage, Renewable energy sources, Salt mines and mining | ||||||
| Journal or Publication Title: | Applied Sciences | ||||||
| Publisher: | MDPI | ||||||
| ISSN: | 2076-3417 | ||||||
| Official Date: | 21 May 2021 | ||||||
| Dates: |
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| Volume: | 11 | ||||||
| Article Number: | 4728 | ||||||
| DOI: | 10.3390/app11114728 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access | ||||||
| RIOXX Funder/Project Grant: |
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