Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings

As solar photovoltaics in buildings reaches maturity, grid integration and economic yield are topics of greater interest. The traditional design of photovoltaic installations has considered the optimal orientation of photovoltaic modules to be that which yields the maximum annual energy production....

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Autores principales:	Esteban Sánchez, Ángel Ordóñez, Alberto Sánchez, Raúl García Ovejero, Javier Parra-Domínguez
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	solar photovoltaics PV self-consumption building-integrated photovoltaics (BIPV) building-applied photovoltaics (BAPV) PV orientations PV grid integration Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/ee1e0ee83d2c487f94fc74e9758e1513
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spelling	oai:doaj.org-article:ee1e0ee83d2c487f94fc74e9758e15132021-11-11T15:02:35ZExploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings10.3390/app112199542076-3417https://doaj.org/article/ee1e0ee83d2c487f94fc74e9758e15132021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/9954https://doaj.org/toc/2076-3417As solar photovoltaics in buildings reaches maturity, grid integration and economic yield are topics of greater interest. The traditional design of photovoltaic installations has considered the optimal orientation of photovoltaic modules to be that which yields the maximum annual energy production. The influence of the consumption patterns and the hourly variable electricity prices implies that this traditional optimal design might not be the most profitable. Using a full-year dataset for a residential installation, alternative installations using canopies and modules attached to the façades are simulated. By evaluating the energy balances for different annual consumptions, it is found that the canopy and façade installations offer better self-consumption of the PV produced energy, reflected in a 9% higher self-consumption degree using modules on façades and a 5% higher self-consumption degree using canopies. The economic evaluation under the new electricity tariffs in Spain shows a better profit for PV self-consumption, reducing the time of return on investment by more than 2 years. The analysis of different alternatives for an industrial PV allowed us to identify several benefits for these orientations which are confirmed after a full year of operation, such as an increase of up to 59% in annual energy production over the optimal-producing orientation.Esteban SánchezÁngel OrdóñezAlberto SánchezRaúl García OvejeroJavier Parra-DomínguezMDPI AGarticlesolar photovoltaicsPV self-consumptionbuilding-integrated photovoltaics (BIPV)building-applied photovoltaics (BAPV)PV orientationsPV grid integrationTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 9954, p 9954 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	solar photovoltaics PV self-consumption building-integrated photovoltaics (BIPV) building-applied photovoltaics (BAPV) PV orientations PV grid integration Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	solar photovoltaics PV self-consumption building-integrated photovoltaics (BIPV) building-applied photovoltaics (BAPV) PV orientations PV grid integration Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Esteban Sánchez Ángel Ordóñez Alberto Sánchez Raúl García Ovejero Javier Parra-Domínguez Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
description	As solar photovoltaics in buildings reaches maturity, grid integration and economic yield are topics of greater interest. The traditional design of photovoltaic installations has considered the optimal orientation of photovoltaic modules to be that which yields the maximum annual energy production. The influence of the consumption patterns and the hourly variable electricity prices implies that this traditional optimal design might not be the most profitable. Using a full-year dataset for a residential installation, alternative installations using canopies and modules attached to the façades are simulated. By evaluating the energy balances for different annual consumptions, it is found that the canopy and façade installations offer better self-consumption of the PV produced energy, reflected in a 9% higher self-consumption degree using modules on façades and a 5% higher self-consumption degree using canopies. The economic evaluation under the new electricity tariffs in Spain shows a better profit for PV self-consumption, reducing the time of return on investment by more than 2 years. The analysis of different alternatives for an industrial PV allowed us to identify several benefits for these orientations which are confirmed after a full year of operation, such as an increase of up to 59% in annual energy production over the optimal-producing orientation.
format	article
author	Esteban Sánchez Ángel Ordóñez Alberto Sánchez Raúl García Ovejero Javier Parra-Domínguez
author_facet	Esteban Sánchez Ángel Ordóñez Alberto Sánchez Raúl García Ovejero Javier Parra-Domínguez
author_sort	Esteban Sánchez
title	Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
title_short	Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
title_full	Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
title_fullStr	Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
title_full_unstemmed	Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings
title_sort	exploring the benefits of photovoltaic non-optimal orientations in buildings
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ee1e0ee83d2c487f94fc74e9758e1513
work_keys_str_mv	AT estebansanchez exploringthebenefitsofphotovoltaicnonoptimalorientationsinbuildings AT angelordonez exploringthebenefitsofphotovoltaicnonoptimalorientationsinbuildings AT albertosanchez exploringthebenefitsofphotovoltaicnonoptimalorientationsinbuildings AT raulgarciaovejero exploringthebenefitsofphotovoltaicnonoptimalorientationsinbuildings AT javierparradominguez exploringthebenefitsofphotovoltaicnonoptimalorientationsinbuildings
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Exploring the Benefits of Photovoltaic Non-Optimal Orientations in Buildings

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