Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/36804

Title: Assessment of energy sharing coefficients under the new Portuguese renewable energy communities regulation
Authors: Queiroz, Humberto
Lopes, Rui Amaral
Martins, João
Silva, Filipe Neves
Fialho, Luis
Bilo, Nuno
Keywords: renewable energy community
self-consumption
energy sharing
energy management
Issue Date: 7-Oct-2023
Publisher: Heliyon
Citation: TY - JOUR T1 - Assessment of energy sharing coefficients under the new Portuguese renewable energy communities regulation AU - Queiroz, Humberto AU - Lopes, Rui Amaral AU - Martins, João AU - Silva, Filipe Neves AU - Fialho, Luís AU - Bilo, Nuno Y1 - 2023/10/01 PY - 2023 N1 - doi: 10.1016/j.heliyon.2023.e20599 DO - 10.1016/j.heliyon.2023.e20599 T2 - Heliyon JF - Heliyon VL - 9 IS - 10 PB - Elsevier N2 - The recent published European legal framework (Directives (EU) 2018/2001 and 2019/944) on renewable energy consumption, and its Portuguese transposition (the Decree-Law 15/2022), opens the possibility for buildings to operate as energy communities. One of the objectives is to increase the use of locally generated energy from renewable sources, by sharing available surplus among participants, using sharing coefficients defined by the entire community.Taking the actual legal framework into consideration, this paper presents an analysis of the energy sharing coefficients proposed by the newly published Portuguese legislation via the assessment of a renewable energy community, formed by public buildings, whose operation varies according to different sharing coefficient applied. Results show that time-variable energy sharing coefficients are the best option to the considered renewable energy community. Collected results also show that larger consumers can extract higher benefits from being integrated on a renewable energy community. These benefits decrease when buildings are allowed to self-consume local generated energy prior to the sharing process as demand inequalities become less important for the computation of the considered sharing coefficients. The entire community also presents better performance in this case. AB - The recent published European legal framework (Directives (EU) 2018/2001 and 2019/944) on renewable energy consumption, and its Portuguese transposition (the Decree-Law 15/2022), opens the possibility for buildings to operate as energy communities. One of the objectives is to increase the use of locally generated energy from renewable sources, by sharing available surplus among participants, using sharing coefficients defined by the entire community.Taking the actual legal framework into consideration, this paper presents an analysis of the energy sharing coefficients proposed by the newly published Portuguese legislation via the assessment of a renewable energy community, formed by public buildings, whose operation varies according to different sharing coefficient applied. Results show that time-variable energy sharing coefficients are the best option to the considered renewable energy community. Collected results also show that larger consumers can extract higher benefits from being integrated on a renewable energy community. These benefits decrease when buildings are allowed to self-consume local generated energy prior to the sharing process as demand inequalities become less important for the computation of the considered sharing coefficients. The entire community also presents better performance in this case. SN - 2405-8440 M3 - doi: 10.1016/j.heliyon.2023.e20599 UR - https://doi.org/10.1016/j.heliyon.2023.e20599 Y2 - 2024/05/15
Abstract: The recent published European legal framework (Directives (EU) 2018/2001 and 2019/944) on renewable energy consumption, and its Portuguese transposition (the Decree-Law 15/2022), opens the possibility for buildings to operate as energy communities. One of the objectives is to increase the use of locally generated energy from renewable sources, by sharing available surplus among participants, using sharing coefficients defined by the entire community. Taking the actual legal framework into consideration, this paper presents an analysis of the energy sharing coefficients proposed by the newly published Portuguese legislation via the assessment of a renewable energy community, formed by public buildings, whose operation varies according to different sharing coefficient applied. Results show that time-variable energy sharing coefficients are the best option to the considered renewable energy community. Collected results also show that larger consumers can extract higher benefits from being integrated on a renewable energy community. These benefits decrease when buildings are allowed to self-consume local generated energy prior to the sharing process as demand inequalities become less important for the computation of the considered sharing coefficients. The entire community also presents better performance in this case.
URI: http://hdl.handle.net/10174/36804
Type: article
Appears in Collections:CI-ER - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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