Evaluation of technical and financial benefits of battery‐based energy storage systems in distribution networks

Deeba, Shohana Rahman; Sharma, Rahul; Saha, Tapan Kumar; Chakraborty, Debraj; Thomas, Andrew

doi:10.1049/iet-rpg.2015.0440

Cited by 84 publications

(37 citation statements)

References 17 publications

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“…This kind of approach represents a huge investment [15]. Installing and operating storage instead could ensure lower variations between peaks and average values, thus leading to infrastructures with lower ratings-hence, cheaper to upgrade-and more optimally used, therefore ageing more slowly [16,17].Energies 2019, 12, x FOR PEER REVIEW 3 of 32In case of non-optimised and unsupervised penetration of renewable sources, problems such as mismatch between production and demand, voltage rise, or reverse power flows at transformers [8] are more likely to arise. Installing electricity storage-particularly on the low-voltage layers of the network [9]-could help reduce this problem by bridging the mismatch between demand and production.Storage may also play a role in addressing the evolution of the demand on the electricity network.…”

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confidence: 99%

The Role of Domestic Integrated Battery Energy Storage Systems for Electricity Network Performance Enhancement

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Low carbon technologies are necessary to address global warming issues through electricity decabonisation, but their large-scale integration challenges the stability and security of electricity supply. Energy storage can support this transition by bringing flexibility to the grid but since it represents high capital investments, the right choices must be made in terms of the technology and the location point in the network. Most of the potential for storage is achieved when connected further from the load, and Battery Energy Storage Systems (BESS) are a strong candidate for behind-the-meter integration. This work reviews and evaluates the state-of-the-art development of BESS, analysing the benefits and barriers to a wider range of applications in the domestic sector. Existing modelling tools that are key for a better assessment of the impacts of BESS to the grid are also reviewed. It is shown that the technology exists and has potential for including Electric Vehicle battery reuse, however it is still mostly applied to optimise domestic photovoltaic electricity utilisation. The barriers to a wider integration are financial, economic, technical, as well as market and regulation. Increased field trials and robust numerical modelling should be the next step to gain investment confidence and allow BESS to reach their potential.Energies 2019, 12, 3954 For this reason and due to economies of scale, the structure of the network was designed to have large centralised generators on one end of the network, enough aggregated loads on the other end, and a system of transmission and distribution of electricity in between, with higher voltages for long distances, and lower voltages closer to the loads for shorter sections of the grid. Therefore, the electricity generation fleet could be designed optimally and perform efficiently, as short term variations are small and predictable, relative to the overall production [8].In case of non-optimised and unsupervised penetration of renewable sources, problems such as mismatch between production and demand, voltage rise, or reverse power flows at transformers [8] are more likely to arise. Installing electricity storage-particularly on the low-voltage layers of the network [9]-could help reduce this problem by bridging the mismatch between demand and production.Storage may also play a role in addressing the evolution of the demand on the electricity network. The electrification of heat and transport sectors at different scales presents a potential for reducing Energies 2019, 12, 3954 3 of 27 GHG emissions as they are currently responsible for a substantial amount of pollutant emission [10], and draw the vast majority of their energy from the combustion of gas, oil and other fossil fuels [11]. However, shifting a significant part of the heat and transport demand to the electricity network is extremely challenging. The amount of energy it represents would generate a substantial stress on a network, which was not originally designed for it. Figure 2 gives an order of magnitude of the co...

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The Role of Domestic Integrated Battery Energy Storage Systems for Electricity Network Performance Enhancement

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“…In addition, they are not generic enough to be applicable to any distribution systems. Therefore, the need of a generic tool for a network upgrade with BESS persists, which considers several parameters such as peak shave, load growth rate, discount factor and PV penetration level [78]. The main contributions of this chapter are listed as follows.…”

Section: Sizing and Placement For Distribution Network Managementmentioning

confidence: 99%

“…Figure 3.4 (a) PV power profiles for case study-1 (b) Day-ahead dispatch of BESS under peak summer load (c) Day-ahead dispatch of BESS under average summer load [78] In this case, 4 PV sources with an aggregated capacity of 260 kW are utilised. Day-ahead power profiles of these sources are presented in Figure 3.4(a).…”

Section: Case Study -1 (10% Pv Penetration)mentioning

confidence: 99%

“…Figure 3.7 Maximum PV penetration at break-even point vs. peak load growth rate [78] The level of PV corresponding to this point is called maximum permissible PV penetration for utilising BESS with financial viability. Figure 3.7 presents the maximum values of PV penetration for which financial viability (or break-even point) can be achieved for different load growth rates.…”

Section: Effects Of Load Growth Rate and Bess Capacity On Network Upgmentioning

confidence: 99%

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Development of Control Methodologies for Energy Storage Systems in Electricity Distribution Networks

Deeba¹

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Prompted by technical issues that have arisen due to the widespread deployment of distributed intermittent renewable generators, rapidly rising peak demand and reductions in battery price, the use of Battery-Based Energy Storage Systems (BESS) in power networks is on the rise. While BESS has the potential to deliver technical benefits, the best possible sizing, location and usage govern the financial viability. Prevailing models of determining BESS size, location and charging patterns have treated them as independent problems and lack explicit dependence on factors such as load growth rate, PV penetration level, network size and structure. Furthermore, the existing literature does not provide any guidelines on possible interaction between network operators and retailers to employ batteries for a distribution network operator's benefit.To bridge the existing research gaps, a generic approach to select appropriate sizing and siting of BESS for supporting both distribution utilities and customers is developed in this thesis. A method is established to model network upgrade deferral as a function of load growth rate, renewable generation penetration and peak shave fraction. This model is then used for the formulation of an optimisation problem which benefits from multi-period power flow analysis to co-optimise the size, location and dispatch scheduling of BESS for a pre-specified number of units to be deployed in a given distribution network. The proposed approach is implemented on a segment of the Australian medium voltage distribution network under multiple practical and potential future scenarios.Moreover, the developed methodology is utilised to obtain appropriate sizing and siting while controlling a BESS in the rest of the thesis. In this thesis, a new control method is proposed and practically validated to ensure smooth BESS operation amenable for prolonged BESS life without compromising the voltage regulation performance. The approach is based on the finite short-term forecast of PV generation to obtain forecast voltage trajectories. The forecast PV generation in conjunction with calculated feasible BESS charge-discharge trajectories is utilised to regulate voltage response over a finite time horizon that substantially reduces the charge-discharge cycling of BESS.ii As the uptake of BESS for photovoltaic applications rises, their aggregated use for network voltage regulation is considered as an impending option. Therefore, a generic approach to coordinate distributed BESS of customers with a view to system voltage regulation through the help of a demand response aggregator is developed. The proposed control algorithms are practically validated by using a Hardware-in-the-Loop (HIL) setup comprising of a Real Time Digital Simulator (RTDS) and a dSPACE controller board.iii Declaration by authorThis thesis is composed of my original work, and contains no material previously published or written by another person except where due reference has been made in the text. I have clearly stated the contribution ...

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“…Em Deeba et al (2016) é proposta uma abordagem generalizada para modelar a utilização do SDEE em função da taxa de crescimento da carga, da penetração de GDs renováveis e de peak shave 1 provinda do SAEB. Esse modelo é utilizado para a formulação de um problema de otimização do dimensionamento, alocação, perfil de atuação e número de SAEBs no SDEE.…”

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Planejamento de alocação e atuação de sistemas de armazenamento de energia a baterias para a melhoria do perfil de tensão em sistemas de distribuição de energia elétrica

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Evaluation of technical and financial benefits of battery‐based energy storage systems in distribution networks

Cited by 84 publications

References 17 publications

The Role of Domestic Integrated Battery Energy Storage Systems for Electricity Network Performance Enhancement

The Role of Domestic Integrated Battery Energy Storage Systems for Electricity Network Performance Enhancement

Development of Control Methodologies for Energy Storage Systems in Electricity Distribution Networks

Planejamento de alocação e atuação de sistemas de armazenamento de energia a baterias para a melhoria do perfil de tensão em sistemas de distribuição de energia elétrica

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