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Pathway to Zero-Emission Buildings: Energy and Economic Comparison of Different Demand Coverage by RES for a New Office Building

Author

Listed:
  • Raniero Sannino

    (Department Unit of Energy Efficiency, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Via Anguillarese 301, 00123 Rome, Italy)

  • Laura Ronchetti

    (Department Unit of Energy Efficiency, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Via Anguillarese 301, 00123 Rome, Italy)

  • Silvia Di Turi

    (Department Unit of Energy Efficiency, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Via Anguillarese 301, 00123 Rome, Italy)

Abstract

In recent years, energy efficiency and the decarbonization of the building sector have become key goals in Europe. However, substantial efforts are still needed to support the increase in on-site energy generation from renewable energy sources (RES) and to phase-out the use of fossil fuels. Moreover, this challenge must be backed by financial mechanisms provided by Member States. In this context, the aim of this work is to investigate different RES generation layouts for a reference office building in Italy and to determine whether it can achieve the goal of a net zero energy building (net ZEB) or a positive energy building (PEB). Different layouts are analyzed from both energy and economic perspectives through dynamic energy simulation, considering different financial schemes, such as “net metering” (SSP) and “premium tariff” (RID). The results show that the energy performance improves due to the size and the characteristics of the PV system. However, the avoided operating costs due to RID increase linearly, while the economic benefits provided by the SSP scheme encourage an appropriate design of the renewable energy system, avoiding oversizing for economic profitability.

Suggested Citation

  • Raniero Sannino & Laura Ronchetti & Silvia Di Turi, 2024. "Pathway to Zero-Emission Buildings: Energy and Economic Comparison of Different Demand Coverage by RES for a New Office Building," Sustainability, MDPI, vol. 16(24), pages 1-17, December.
  • Handle: RePEc:gam:jsusta:v:16:y:2024:i:24:p:10837-:d:1541308
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    References listed on IDEAS

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    1. Raniero Sannino, 2023. "Thermal Loads Map and Overall Energy Analysis Depending on Low-Effort Parameters Change: A Commercial Building Case Study," Sustainability, MDPI, vol. 15(8), pages 1-18, April.
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