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Energy-Exergy, Environmental and Economic Criteria in Combined Heat and Power (CHP) Plants: Indexes for the Evaluation of the Cogeneration Potential

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  • Marco F. Torchio

    (Energy Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

Abstract

In the first part of this work, combined heat and power (CHP) criteria pertaining to energy, exergy, environmental (pollutant emission) and economic aspects, have been investigated and compared. Although the constraints in legislation usually refer to energy efficiency, primary energy savings and greenhouse gas savings, other criteria should also be taken into account in order to obtain a better evaluation of a cogeneration plant. Here particular attention has been paid to saving indexes for both an individual CHP-unit and for a CHP-system, that is the complete system with all the cogeneration units and the auxiliary plants necessary to cover the users’ demand. Five indexes, named potential indexes, have been introduced to evaluate the cogeneration potential: one for energy saving, one for exergy, two for environmental aspects (global and local scale) and one for economic aspects. Finally, some indexes analysed in the paper have been applied to a case study concerning a district heating cogeneration system, and the different behaviour of the energy-exergy, environmental and economic aspects has been discussed.

Suggested Citation

  • Marco F. Torchio, 2013. "Energy-Exergy, Environmental and Economic Criteria in Combined Heat and Power (CHP) Plants: Indexes for the Evaluation of the Cogeneration Potential," Energies, MDPI, vol. 6(5), pages 1-23, May.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:5:p:2686-2708:d:25920
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    Cited by:

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    2. Xiaolong Yang & Yan Li & Dongxiao Niu & Lijie Sun, 2019. "Research on the Economic Benefit Evaluation of Combined Heat and Power (CHP) Technical Renovation Projects Based on the Improved Factor Analysis and Incremental Method in China," Sustainability, MDPI, vol. 11(19), pages 1-23, September.
    3. Pavel Atănăsoae, 2018. "The Operating Strategies of Small-Scale Combined Heat and Power Plants in Liberalized Power Markets," Energies, MDPI, vol. 11(11), pages 1-16, November.
    4. J. Villarroel-Schneider & Anders Malmquist & Joseph A. Araoz & J. Martí-Herrero & Andrew Martin, 2019. "Performance Analysis of a Small-Scale Biogas-Based Trigeneration Plant: An Absorption Refrigeration System Integrated to an Externally Fired Microturbine," Energies, MDPI, vol. 12(20), pages 1-30, October.
    5. Gimelli, A. & Muccillo, M., 2019. "Performance assessment of a 15 kW Micro-CHCP plant through the 0D/1D thermo-fluid dynamic characterization of a double water circuit waste heat recovery system," Energy, Elsevier, vol. 181(C), pages 803-814.
    6. João Paulo Guerra & Fernando Henrique Cardoso & Alex Nogueira & Luiz Kulay, 2018. "Thermodynamic and Environmental Analysis of Scaling up Cogeneration Units Driven by Sugarcane Biomass to Enhance Power Exports," Energies, MDPI, vol. 11(1), pages 1-23, January.
    7. Yong-Hoon Im, 2022. "Assessment of the Technological Sustainability of the Tri-Generation Model in the Era of Climate Change: A Case Study of Terminal Complexes," Energies, MDPI, vol. 15(14), pages 1-23, July.

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