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Power Production Estimates from Geothermal Resources by Means of Small-Size Compact Climeon Heat Power Converters: Case Studies from Portugal (Sete Cidades, Azores and Longroiva Spa, Mainland)

Author

Listed:
  • António Trota

    (Faculdade de Ciências e Tecnologia, Universidade dos Açores, Centro de Geociências FCTUC, 9500-801 Ponta Delgada, Portugal)

  • Pedro Ferreira

    (Departamento de Engenharia Civil e Arquitetura, Universidade da Beira Interior, 6201-001 Covilhã, Portugal)

  • Luis Gomes

    (Departamento de Engenharia Civil e Arquitetura, Universidade da Beira Interior, GeoBioTec, 6201-001 Covilhã, Portugal)

  • João Cabral

    (Faculdade de Ciências e Tecnologia, Universidade dos Açores, 9500-801 Ponta Delgada, Portugal)

  • Peter Kallberg

    (Sylvander Trading Lda, 2765-189 Estoril, Portugal)

Abstract

Renewable forms of energy are increasingly penetrating the electricity market, particularly, geothermal energy. A wide range of resource temperatures and fluid quality are converted mostly using traditional binary power plants and, recently, using Climeon modular units. Portuguese natural geothermal resources are far from precise estimations. Despite the parameter uncertainties, electric power resource estimations of two natural geothermal reservoirs are presented: a volcanic sourced heated high-enthalpy geothermal reservoir in Sete Cidades, São Miguel Island, Azores; and a low-enthalpy geothermal reservoir linked to a fractured zone in a granitic setting in Longroiva, in the northern part of the Portuguese mainland. Based on the volumetric method, we assessed the power potential of geothermal resources in Sete Cidades and Longroiva using a probabilistic methodology—Monte Carlo simulation. The average reserve estimations for Climeon module were 5.66 MWe and 0.64 MWe for Sete Cidades and Longroiva, respectively. This figure was by far higher when compared to traditional binary technology; those differences were mostly attributed to distinct conversions efficiency factors.

Suggested Citation

  • António Trota & Pedro Ferreira & Luis Gomes & João Cabral & Peter Kallberg, 2019. "Power Production Estimates from Geothermal Resources by Means of Small-Size Compact Climeon Heat Power Converters: Case Studies from Portugal (Sete Cidades, Azores and Longroiva Spa, Mainland)," Energies, MDPI, vol. 12(14), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:14:p:2838-:d:250961
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    Citations

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    Cited by:

    1. Guillem Piris & Ignasi Herms & Albert Griera & Montse Colomer & Georgina Arnó & Enrique Gomez-Rivas, 2021. "3DHIP-Calculator—A New Tool to Stochastically Assess Deep Geothermal Potential Using the Heat-In-Place Method from Voxel-Based 3D Geological Models," Energies, MDPI, vol. 14(21), pages 1-21, November.
    2. Leonardo Marchiori & Maria Vitoria Morais & André Studart & António Albuquerque & Luis Andrade Pais & Luis Ferreira Gomes & Victor Cavaleiro, 2023. "Energy Harvesting Opportunities in Geoenvironmental Engineering," Energies, MDPI, vol. 17(1), pages 1-24, December.
    3. Diana D’Agostino & Francesco Esposito & Adriana Greco & Claudia Masselli & Francesco Minichiello, 2020. "Parametric Analysis on an Earth-to-Air Heat Exchanger Employed in an Air Conditioning System," Energies, MDPI, vol. 13(11), pages 1-24, June.

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