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Geothermal Water Component of Land-Based Fish Farm—A Case Study of the Sustainable Blue Economy Architecture

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  • Leszek Świątek

    (Faculty of Architecture, West Pomeranian University of Technology in Szczecin, Żołnierska 50, 71-210 Szczecin, Poland)

Abstract

Geothermal water, as a by-product of renewable energy generation, can be appreciated as part of a sustainable Blue Economy in terms of resource effectiveness. This could be part of urban geothermal resource parks in the near future. City aquaculture integrated with urban farms running in a cascading model of energy and material consumption can provide an advanced energy-water-food nexus in densely populated areas, evolving into a refined Nature 4.0 habitat. This case study of the world’s first climate-controlled, closed salmon farm based on geothermal resources presents inclusive, water-sensitive design principles and resilient urban planning, where architecture brings aquatic ecosystems indoors. This is also an example of how to reduce investment risk and integrate geothermal development with sustainable, innovative fish farming based on water circulation systems (RAS) and digital technologies to sustain life-support systems. This greenfield project on Poland’s Baltic coast highlights the potential for geothermal investments, demonstrating that even low-temperature extracted water can serve as both a renewable energy source and a valuable resource. Having operated successfully for over a decade with positive certification, this model of efficient geothermal resource utilization appears to be well-suited for replication and broader implementation.

Suggested Citation

  • Leszek Świątek, 2025. "Geothermal Water Component of Land-Based Fish Farm—A Case Study of the Sustainable Blue Economy Architecture," Sustainability, MDPI, vol. 17(6), pages 1-26, March.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:6:p:2693-:d:1615058
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    References listed on IDEAS

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    1. Magdalena Tyszer & Wiesław Bujakowski & Barbara Tomaszewska & Bogusław Bielec, 2020. "Geothermal Water Management Using the Example of the Polish Lowland (Poland)—Key Aspects Related to Co-Management of Drinking and Geothermal Water," Energies, MDPI, vol. 13(10), pages 1-13, May.
    2. Kathrin Specht & Rosemarie Siebert & Ina Hartmann & Ulf Freisinger & Magdalena Sawicka & Armin Werner & Susanne Thomaier & Dietrich Henckel & Heike Walk & Axel Dierich, 2014. "Urban agriculture of the future: an overview of sustainability aspects of food production in and on buildings," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 31(1), pages 33-51, March.
    3. Joanna Boguniewicz-Zabłocka & Ewelina Łukasiewicz & Domenico Guida, 2019. "Analysis of the Sustainable Use of Geothermal Waters and Future Development Possibilities—A Case Study from the Opole Region, Poland," Sustainability, MDPI, vol. 11(23), pages 1-15, November.
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