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Exploring energy flexibility from smart electrical water heaters to improve electrification benefits in residential buildings

2025-02-01Artigo científico Acesso aberto
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dc.contributor.authorLopes, Rui Amaral
dc.contributor.authorSilva, Francisco
dc.contributor.authorMenezes-Barros, Rafael
dc.contributor.authorAmaro, Nuno
dc.contributor.authorCarvalho, Ana Gonçalves de
dc.contributor.authorMartins, João
dc.contributor.institutionCTS - Centro de Tecnologia e Sistemas
dc.contributor.institutionUNINOVA-Instituto de Desenvolvimento de Novas Tecnologias
dc.contributor.pblElsevier Science B.V., Amsterdam.
dc.date.accessioned2025-07-16T21:19:41Z
dc.date.available2025-07-16T21:19:41Z
dc.date.issued2025-02-01
dc.descriptionFunding Information: This research was partly funded by European Union's H2020 programme as part of the IANOS (Integrated Solutions for Decarbonization and Intelligence of Islands) project, Grant Agreement ID 957810), and by the Portuguese “Fundação para a Ciência e a Tecnologia” (FCT) in the context of the Center of Technology and Systems CTS/UNINOVA/FCT/NOVA, reference UIDB/00066/2020. Authors also would like to acknowledge IEA EBC Annex 82 (Energy Flexible Buildings Towards Resilient Low Carbon Energy Systems).
dc.description.abstractThe integration of renewable energy sources, which often have limited dispatchability, along with the rising electrification of energy demand, is increasing the complexity of managing power systems. To address this challenge, smart solutions that leverage energy flexibility in buildings can support power system operations by adapting energy consumption according to existing needs. This study presents a forecasting and IoT-based solution for electric water heaters designed to improve energy flexibility, lower electricity costs, and enhance self-consumption of locally generated energy. Deployed in a real-world setting on Terceira Island, Portugal, the solution successfully replaced a gas boiler, achieving a 56 % decrease in electricity costs and a 34 % reduction in CO2 emissions (compared to a scenario with a 75 % efficiency gas boiler). These benefits were realized while maintaining acceptable levels of comfort and user engagement.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent17
dc.format.extent12819978
dc.identifier.doi10.1016/j.energy.2025.134381
dc.identifier.issn0360-5442
dc.identifier.otherPURE: 106860686
dc.identifier.otherPURE UUID: 34772824-5818-4d8f-b1ff-7b5fce36f543
dc.identifier.otherORCID: /0000-0002-6953-1403/work/175015300
dc.identifier.otherWOS: 001399705700001
dc.identifier.otherScopus: 85214803474
dc.identifier.otherORCID: /0000-0001-5781-7482/work/188080139
dc.identifier.urihttp://hdl.handle.net/10362/185229
dc.identifier.urlhttps://www.scopus.com/pages/publications/85214803474
dc.identifier.urlhttps://www.webofscience.com/wos/woscc/full-record/WOS:001399705700001
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F00066%2F2020/PT
dc.subjectSmart electric water heater
dc.subjectInternet-of-Things
dc.subjectForecasting
dc.subjectEnergy flexibility
dc.subjectElectrification
dc.subjectCivil and Structural Engineering
dc.subjectModelling and Simulation
dc.subjectRenewable Energy, Sustainability and the Environment
dc.subjectBuilding and Construction
dc.subjectFuel Technology
dc.subjectEnergy Engineering and Power Technology
dc.subjectPollution
dc.subjectMechanical Engineering
dc.subjectGeneral Energy
dc.subjectManagement, Monitoring, Policy and Law
dc.subjectIndustrial and Manufacturing Engineering
dc.subjectElectrical and Electronic Engineering
dc.subjectSDG 7 - Affordable and Clean Energy
dc.titleExploring energy flexibility from smart electrical water heaters to improve electrification benefits in residential buildingsen
dc.title.subtitleFindings from real-world operationen
dc.typejournal article
degois.publication.firstPage1
degois.publication.lastPage17
degois.publication.titleEnergy
degois.publication.volume316
dspace.entity.typePublication
oaire.awardNumberUIDB/00066/2020
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F00066%2F2020/PT
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
relation.isProjectOfPublication649c3ac0-6bed-4cbf-8f96-782c97c47008
relation.isProjectOfPublication.latestForDiscovery649c3ac0-6bed-4cbf-8f96-782c97c47008

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