Economic feasibility of battery energy storage systems for replacing peak power plants for commercial consumers under energy time of use tariffs

•Economic feasibility of replacing conventional peak power plants by using distributed (BESS).•A commercial consumer connected to the MV network (Campinas/Brazil).•Break-even point (BEP) for four battery technologies: OPzS; NiCd; Li-NCA; and FeCr.•A reduction of 31%, 38% and 26% in the costs of OPzS...

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Bibliographic Details
Published in:	Journal of energy storage Vol. 29; p. 101373
Main Authors:	Martinez-Bolanos, Julio Romel, Udaeta, Miguel Edgard Morales, Gimenes, André Luiz Veiga, Silva, Vinícius Oliveira da
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 01-06-2020
Subjects:	Battery Energy Storage System (BSS) BESS technical-economical evaluation Energy time shift Solar energy Energy time shift Battery Energy Storage System (BSS) BESS technical-economical evaluation Solar energy
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Summary:	•Economic feasibility of replacing conventional peak power plants by using distributed (BESS).•A commercial consumer connected to the MV network (Campinas/Brazil).•Break-even point (BEP) for four battery technologies: OPzS; NiCd; Li-NCA; and FeCr.•A reduction of 31%, 38% and 26% in the costs of OPzS, Li-NCA and FeCr makes the BESS viable.•In a 5-year horizon, these technologies would become economically attractive. This work assesses the economic feasibility of replacing conventional peak power plants, such as Diesel Generator Sets (DGS), by using distributed battery energy storage systems (BESS), to implement Energy Time Shift during peak hours for commercial consumers, whose energy prices vary as a function of energy time of use (ToU tariffs). The economic analysis is performed by calculating the break-even point (BEP) for four different battery technologies: (i) lead-acid (OPzS); (ii) nickel-cadmium (NiCd); (iii) lithium-ion (Li-NCA); and (iv) Redox Flow (FeCr), using the HOMER Energy software in the simulations. One case study is analyzed for a commercial consumer connected to the MV network (Campinas/Brazil). The results show that, considering the updated 2018 BESS costs, none of the types of battery analyzed is economically attractive as a replacement for DGS. However, it can be observed that a 31%, 38% and 26% reduction in the costs of OPzS, Li-NCA and FeCr batteries, respectively, makes the installation of BESS viable. It is estimated that, in a 5- to 6-year horizon, these technologies would become economically attractive as a result of the strong decrease of the expected costs for the years to come.
ISSN:	2352-152X 2352-1538
DOI:	10.1016/j.est.2020.101373