Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/2030
Título: New energy performance indexes for energy-efficient interactive buildings
Autor: Panão, Marta Oliveira
Camelo, Susana
Gonçalves, Helder
Palavras-chave: Energy Performance Index
Energy Performance Certification
Interactive Buildings
Data: 2013
Citação: Panão, Marta O.; Camelo, Susana; Gonçalves, Helder. New energy performance indexes for energy-efficient interactive buildings. In: EfS2013 Conference - Energy for sustainability: Sustainable cities: Designing for people and the planet, Coimbra, Portugal, 8-10 September, 2013, 8 p.
Resumo: This paper argues that promoting energy supply by Renewable Energy Sources (RES) in buildings, namely residential, requires additional informative indexes to be included in buildings Energy Performance Certificates. The load-generation approach for the energy balance is here discussed, and compared with the current recommended by CEN/TR 15615, i.e. the delivered-exported approach. Besides the Energy Performance Index, which takes the same value for both approaches, other indexes are studied. From the analysis considering two variants for a single-family house with six solutions for energy systems, it is suggested to include: i) L/R (building load vs benchmark load) and ii) G/L (RES supply vs building load). On the one hand, L/R distinguishes the solutions where the building envelope is optimized from those where the driver to reduce EPI is the RES supply installation. On the other hand, G/L quantifies the RES share in the building demand and goes in line with what is recommended for the principles defining nearly Zero Energy Buildings. The breakdown of G/L into on-site and off-site RES will be also very helpful in differentiating local RES supply from imported renewables fuels, such as biomass. Moreover, considering smart cities, not only energy flows are important but also information flows (e.g. energy forecast, energy management), thus, new energy performance indexes are required for energy-efficient interactive buildings.
URI: http://hdl.handle.net/10400.9/2030
Aparece nas colecções:UEE - Comunicações em actas de encontros científicos internacionais

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