Energy performance of buildings with on-site energy generation and storage - An integrated assessment using dynamic simulation

• Type: Article in International Scientific Journal
• Date: 2019

Authors

Karol Bot (Author) Other; Nuno M. M. Ramos (Author) FEUP; Ricardo M. S. F. Almeida (Author) Other; Pedro F. Pereira (Author) Other; Cláudio Monteiro (Author) FEUP

Journal

The Journal is awaiting validation by the Administrative Services.

Title: JOURNAL OF BUILDING ENGINEERING

Vol. 24

Pages: 1-13

ISSN: 2352-7102

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 20 Citations

Scopus - 20 Citations

INSPEC

Other information

Authenticus ID: P-00Q-F3T

DOI: 10.1016/j.jobe.2019.100769

Abstract (EN): The European Union aims to achieve a nearly zero energy balance in buildings by 2020. The present study takes into consideration the passive systems of the building, energy demand, and energy generated by the on-site photovoltaic and storage system, and how they interact in different scenarios. The study also considers the energy demand from the grid and the surplus of renewable energy. The software EnergyPlus was used and the parametric sensitivity simulation method was applied, taking into account blinds operation, ventilation strategies, HVAC operation schemes and battery storage capacity, in 96 scenarios. The results highlight that there is great variability between the considered scenarios, highlighting the importance of sizing methodologies for the passive systems and the use of optimized home management algorithms. It was found that the use of batteries with higher storage capacity increases the demand-supply from the on-site PV energy but decreases the amount of energy injected into the grid. The design of the PV and battery system based on yearly integrated simulations allows for an optimized solution. This study also emphasizes the importance of knowing the expected occupancy during the design phase, as a significant input to the sizing methodologies of the storage capacity and on-site generation.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 13