How much energy autonomy can decentralised photovoltaic generation provide? A case study for Southern Germany

Kühnbach, Matthias; Pisula, Stefan; Bekk, Anke; Weidlich, Anke

doi:10.1016/j.apenergy.2020.115947

Cited by 9 publications

(3 citation statements)

References 34 publications

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“…For the three cases we obtain the following results: According to the results achieved, a high number of days of autonomy does not always mean a continuous availability of energy. Further experimental analysis studies in German regions [35] have shown that despite the increase in the degree of autonomy there are still periods of power shortage in all regions. The authors of this study have shown that the appropriate choice of the degree of autonomy is essential for the optimization of a decentralized energy system, e.g.…”

Section: Analysis and Discussionmentioning

confidence: 99%

Days of autonomy for optimal Battery Sizing in Stand-alone Photovoltaic Systems

Andam

Alami

Louartassi

et al. 2023

IJEEI

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Nowadays, the use of clean renewable energies is becoming increasingly necessary in order to preserve our environment and ensure our energy needs. Nevertheless, the integration of this type of energy still faces many challenges that must be overcome, especially the fluctuation and the storage. Researches for the optimization of these systems, particularly photovoltaic technologies, are getting widespread and diversified. The main purpose of our article is to optimize the battery sizing in a Stand Alone Photovoltaic System by identifying the most appropriate number of autonomy days. A case study in theregion of Errachidia in Morocco has been established and simulated to define the optimal number. In the others current researches, only a small importance has been attributed to the battery autonomy. The objective is generally to ensure a continuous presence of energy especially for isolated systems while this is not always optimal nor economical and does not necessarily guarantee a safe supply. However, an over dimensioning of the battery will lead to a consequent cost and a loss of energy. The results show that the number of days of autonomy must correspond to the minimum ratio linking the lack of energy to the surplus during a specific period.

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Section: Analysis and Discussionmentioning

confidence: 99%

Days of autonomy for optimal Battery Sizing in Stand-alone Photovoltaic Systems

Andam

Alami

Louartassi

et al. 2023

IJEEI

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“…As LEMs are in general not self-sufficient [23,24,25], residual demand and generation of the local areas has to be procured in the wholesale market or through backup instances such as aggregators or utilities. This raises the question of how the interaction of local and wholesale energy systems is to be organized.…”

Section: Analysis Of Lem Economicsmentioning

confidence: 99%

How will local energy markets influence the pan-European day-ahead market and transmission systems? A case study for local markets in France and Germany

et al. 2022

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“…Autonomy achieves many benefits for employees, such as increasing job attitudes (Mudambi et al, 2014), creating new activities, enhancing freedom of decisionmaking, improving work performance, developing critical analysis, acquiring new knowledge (Mudambi et al, 2014;Zolkefli et al, 2020), scheduling the work and deciding the methods required to carry it out, and improving employees' resilience (Clemons et al, 2021). Moreover, autonomy has several positive outcomes for organizations, including autonomous selections, self-determined decisions, selfsufficiency, and increased value-added (Kühnbach et al, 2020;Hu et al, 2021). On the contrary, loss of autonomy leads to many problems for employees, such as a decrease in confidence concerning their skills and feeling of helplessness and weakness (Arntsen et al, 2021;Allison et al, 2021).…”

Section: Autonomymentioning

confidence: 99%

تقییم الملکیة النفسیة لموظفی الفندق: المؤثرات والنتائج

العاطي¹,

دراز²

2021

مجلة کلیة السیاحة والفنادق - جامعة مدینة السادات

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Employees' psychological ownership (EPO) leads to many positive outcomes for employees and the organization. It plays a crucial role in maintaining employee relations with the organization. It has appeared as a vital indicator of employees' work behaviors (e.g., value co-creation) and attitudes (commitment and satisfaction). Given the importance of EPO in the hotel industry, it is necessary to examine its antecedents and outcomes. This research also investigates the effect of four EPO antecedents (i.e., hotel identification; psychological safety; autonomy; information accessibility) on EPO. Besides, it examines the impact of EPO on three of its outcomes, i.e., employee creativity, employee voice, and knowledge sharing behavior (KSB). To achieve these objectives, data was obtained using questionnaires. A convenience sample of 420 hotel employees from the 14 investigated hotels was chosen. A total of 345 valid questionnaire forms was retrieved, with a response rate of 82.1 percent. To analyze these forms, descriptive analysis, correlation analysis, and multiple regression analysis were used. The main results showed that the four EPO antecedents were found to positively affect EPO. Moreover, the findings indicated that EPO significantly drives the three outcomes of EPO. Thus, the practical implications of the results assist hotel practitioners in enhancing EPO, its antecedents, and outcomes more effectively. For example, it was recommended that hotels should increase EPO and its outcomes by raising EPO antecedents (e.g., hotel identification) through many practices by hotel management, such as increasing the happiness of their workers by helping them cooperate with colleagues in handling work problems.

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How much energy autonomy can decentralised photovoltaic generation provide? A case study for Southern Germany

Cited by 9 publications

References 34 publications

Days of autonomy for optimal Battery Sizing in Stand-alone Photovoltaic Systems

Days of autonomy for optimal Battery Sizing in Stand-alone Photovoltaic Systems

How will local energy markets influence the pan-European day-ahead market and transmission systems? A case study for local markets in France and Germany

تقییم الملکیة النفسیة لموظفی الفندق: المؤثرات والنتائج

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