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Quantification of the Energy Storage Contribution to Security of Supply through the F-Factor Methodology

Department of Electrical and Electronic Engineering, Imperial College London, London SW7 2AZ, UK
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Energies 2020, 13(4), 826; https://doi.org/10.3390/en13040826
Received: 2 December 2019 / Revised: 4 February 2020 / Accepted: 7 February 2020 / Published: 14 February 2020
(This article belongs to the Special Issue Modelling and Analysis of Distributed Energy Storage)
The ongoing electrification of the heat and transport sectors is expected to lead to a substantial increase in peak electricity demand over the coming decades, which may drive significant investment in network reinforcement in order to maintain a secure supply of electricity to consumers. The traditional way of security provision has been based on conventional investments such as the upgrade of the capacity of electricity transmission or distribution lines. However, energy storage can also provide security of supply. In this context, the current paper presents a methodology for the quantification of the security contribution of energy storage, based on the use of mathematical optimization for the calculation of the F-factor metric, which reflects the optimal amount of peak demand reduction that can be achieved as compared to the power capability of the corresponding energy storage asset. In this context, case studies underline that the F-factors decrease with greater storage power capability and increase with greater storage efficiency and energy capacity as well as peakiness of the load profile. Furthermore, it is shown that increased investment in energy storage per system bus does not increase the overall contribution to security of supply. View Full-Text
Keywords: F-factors; energy storage; mathematical optimization; security of supply; security standards F-factors; energy storage; mathematical optimization; security of supply; security standards
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Giannelos, S.; Djapic, P.; Pudjianto, D.; Strbac, G. Quantification of the Energy Storage Contribution to Security of Supply through the F-Factor Methodology. Energies 2020, 13, 826.

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