Thesis

Spatial analysis of minewater thermal resources using Scotland as a case study

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Awarding institution
  • University of Strathclyde
Date of award
  • 2026
Thesis identifier
  • T17996
Person Identifier (Local)
  • 202254736
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Abstract
  • Abandoned flooded mines could act as underground thermal storage or provide ambient heat for district heating networks, collectively known as minewater thermal resources. Despite widespread coalfield areas, minewater thermal resources have not been widely used in the UK. A clearer understanding of how minewater could play a role in heat decarbonisation requires spatial assessment of minewater thermal resources and heat demand. This thesis investigated four aspects of minewater thermal resources in Scotland. A study of industry experts’ perceptions found that thermal storage is a key advantage that distinguishes minewater thermal resources from other low-carbon heating solutions. An assay of mine shafts for different energy storage uses showed there is significant potential across Scotland, with a theoretical total mine shaft volume of 2.9 x106 m3. Three methods of estimating the volume of underground workings were tested, showing a large potential for thermal storage in Scottish mine workings (estimated void space of 109 m3). However, for both shafts and underground workings, data quality and availability mean uncertainties need to be assessed on a site-by-site basis. Finally, calculations of the demand for heating replacement in houses built since 1997, demonstrated that the opportunity to roll out heat networks will evolve over space and time. These four linked studies were used to classify local authorities by their potential for minewater thermal storage. Regional clusters were defined where large mine volumes were co-located with high heating replacement demand. The Greater Glasgow and Lanarkshire region, encompassing five local authorities, had the highest potential for using minewater thermal resources with an estimated volume of 4.37 x108 m3 and the highest demand for heat, with over 159,000 heating replacements in houses built since 1997. Regional clusters demonstrate the need for more collaboration between local authorities and could aid in the future strategic planning for minewater resources across Scotland.
Advisor / supervisor
  • Roberts, Jen, 1972-
  • Dickie, Jen
  • Shipton, Zoe
Resource Type
DOI
Date Created
  • 2025
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