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Techno-Economic Performance Assessment of a Trigeneration System Operating in a Hospital

Author

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  • Aikaterini Papadimitriou

    (Laboratory of Process Analysis and Design, National Technical University of Athens, 15780 Athens, Greece)

  • Anastasios Tosios

    (Laboratory of Process Analysis and Design, National Technical University of Athens, 15780 Athens, Greece)

  • Eugenia Giannini

    (Laboratory of Process Analysis and Design, National Technical University of Athens, 15780 Athens, Greece)

Abstract

The techno-economic performance evaluation of a combined cooling heating and power (CCHP) system installed in a hospital building in Greece is presented. The aim was to verify performance standards and evaluate real behavior, while highlighting the economic gains. In this research, system performance was evaluated using actual and year-round field measurements. The data were used to calculate the recovered heat and the generated electric energy. Furthermore, the performance was modeled and compared to the manufacturer specifications. Financial assessment was conducted through energy cost analysis to verify the operating viability of the system, both for its heating and cooling functions. The results showed that, overall, after eight years of operation, the energy efficiency was still within design standards. Electrical efficiency was constantly above 30%, while thermal efficiency was around 40–45%. Total efficiency was usually above the 75% threshold, characterizing the system as fully CHP operating. The analysis also pointed out the economic effectiveness of the system in the Greek energy market. The results verified the potential of a CCHP system for improving the energy and economic performance of a building.

Suggested Citation

  • Aikaterini Papadimitriou & Anastasios Tosios & Eugenia Giannini, 2021. "Techno-Economic Performance Assessment of a Trigeneration System Operating in a Hospital," Energies, MDPI, vol. 14(16), pages 1-21, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:16:p:5105-:d:617313
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    References listed on IDEAS

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    1. Aikaterini Papadimitriou & Vassilios Vassiliou & Kalliopi Tataraki & Eugenia Giannini & Zacharias Maroulis, 2020. "Economic Assessment of Cogeneration Systems in Operation," Energies, MDPI, vol. 13(9), pages 1-15, May.
    2. Tataraki, Kalliopi G. & Kavvadias, Konstantinos C. & Maroulis, Zacharias B., 2018. "A systematic approach to evaluate the economic viability of Combined Cooling Heating and Power systems over conventional technologies," Energy, Elsevier, vol. 148(C), pages 283-295.
    3. Rong, Aiying & Lahdelma, Risto, 2005. "An efficient linear programming model and optimization algorithm for trigeneration," Applied Energy, Elsevier, vol. 82(1), pages 40-63, September.
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    5. Sibilio, Sergio & Rosato, Antonio & Ciampi, Giovanni & Scorpio, Michelangelo & Akisawa, Atsushi, 2017. "Building-integrated trigeneration system: Energy, environmental and economic dynamic performance assessment for Italian residential applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P2), pages 920-933.
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    Cited by:

    1. Eugenia Giannini, 2022. "Cogeneration Economics," Energies, MDPI, vol. 15(14), pages 1-4, July.

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