Impact of policy incentives on the promotion of integrated PV and battery storage systems: a techno‐economic assessment

Nousdilis, Angelos I.; Kryonidis, Georgios C.; Kontis, Eleftherios O.; Panapakidis, Ioannis P.; Christoforidis, Georgios C.; Papagiannis, Grigoris K.

doi:10.1049/iet-rpg.2019.0797

Cited by 27 publications

(26 citation statements)

References 24 publications

(43 reference statements)

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“…Based on the results of Fig. 10, it can be deduced that the adopted NPV analysis against PVsize can be used as an exhaustive search optimization procedure to determine the optimal PVsize in terms of maximizing the prosumer's profitability [31], [32].…”

Section: ) Optimal Pv Sizingmentioning

confidence: 99%

“…Τhe main motivation of this paper is to present a technoeconomic assessment methodology to evaluate the viability of NEM policy in MV prosumers and investigate the effect of various important parameters. The economic viability of the NEM policy regarding low-voltage (LV) residential prosumers has been well investigated in several studies [4], [7], [8], [10], [27] - [31]. However, according to the authors' knowledge there are very few relevant works regarding MV prosumers [32].…”

Section: Introductionmentioning

confidence: 99%

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Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

2021

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Net-metering has been introduced as an alternative to the feed-in tariff scheme to encourage consumers to act as prosumers by installing photovoltaics. Originally, net-metering referred mainly to household photovoltaic systems, however, larger prosumers connected to medium-voltage networks are also considered. Scope of this paper is to present a techno-economic assessment methodology to evaluate the viability of net-metering policy in medium-voltage prosumers. Unlike most relevant methods, the proposed methodology combines techno-economic analysis with a quasi-static simulation model incorporating the real-world operational properties of the distribution network, where the medium-voltage prosumers are connected. The analysis focuses on nine university campuses operating under net-metering policy. The impact of several important parameters on the viability of the investment as well as on the optimal size of the system is investigated; among them special emphasis is given on the applicability of the decentralized voltage regulation techniques applied to the prosumer's photovoltaic system.

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Section: ) Optimal Pv Sizingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

2021

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“…This study focused on finding the HC considering the voltage and thermal limits as performance constraints without considering network losses as the limiting factor. Similarly, an optimal model is presented in [23] where the authors discussed the potential of battery energy storage system (BESS) for the secure functioning of networks under higher PV penetration and the optimal sizing of integrated PVs and BESS in terms of cost. However, losses contribute significantly to network costs as the losses keep on increasing during the load growth period and so does the loss cost of the network.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Economical and Technical Photovoltaic Hosting Capacity Limits in Distribution Networks

et al. 2021

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Power distribution networks are transitioning from passive towards active networks considering the incorporation of distributed generation. Traditional energy networks require possible system upgrades due to the exponential growth of non-conventional energy resources. Thus, the cost concerns of the electric utilities regarding financial models of renewable energy sources (RES) call for the cost and benefit analysis of the networks prone to unprecedented RES integration. This paper provides an evaluation of photovoltaic (PV) hosting capacity (HC) subject to economical constraint by a probabilistic analysis based on Monte Carlo (MC) simulations to consider the stochastic nature of loads. The losses carry significance in terms of cost parameters, and this article focuses on HC investigation in terms of losses and their associated cost. The network losses followed a U-shaped trajectory with increasing PV penetration in the distribution network. In the investigated case networks, increased PV penetration reduced network costs up to around 40%, defined as a ratio to the feeding secondary transformer rating. Above 40%, the losses started to increase again and at 76–87% level, the network costs were the same as in the base cases of no PVs. This point was defined as the economical PV HC of the network. In the case of networks, this level of PV penetration did not yet lead to violations of network technical limits.

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“…In these distribution networks, the use of uncoordinated control strategies, which depend only on local information, is a possibility to initiate the dissemination of BESSs. This type of control is operated by consumers aiming at self-consumption, peak demand shaving, price arbitrage, or to support voltage regulation [23]- [32].…”

mentioning

confidence: 99%

“…On the other hand, several studies have focused on the financial assessments of BESSs with uncoordinated strategies such as price arbitrage and self-consumption [27]- [32]. However, these studies did not evaluate the technical impacts on the network provoked by BESSs.…”

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confidence: 99%

Technical and Financial Impacts on Distribution Systems of Integrating Batteries Controlled by Uncoordinated Strategies

Camargos

Stecanella²,

Vieira

et al. 2021

IEEE Access

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This study assesses the technical and financial impacts on voltage levels, peak demand, and technical losses of distribution systems due to the integration of battery energy storage systems (BESSs) associated with photovoltaic distributed generation (PVDG). It assumes that the BESS features (location and storage capacity) are chosen by consumers individually, aiming to directly benefit themselves according to self-consumption and price arbitrage uncoordinated control strategies. Computational simulations of several PVDG/BESS penetration levels in residential feeders of a Brazilian utility were performed via OpenDSS, employing real data of the load (consumption and load profiles) and photovoltaic generation (irradiance and temperature). We address the PVDG/BESS locations and the selection of solar irradiance, temperature, and load profile based on the Monte Carlo method. As the impacts on voltage levels, peak demand, and technical losses are expressed in different units, they were stochastically converted into monetary amounts to identify the control strategy that enhances the technical benefits in the distribution system. The results show that BESS installation with location, size, and control strategy defined by consumers creates technical benefits for the distribution system. The risk analysis allows us to conclude that price arbitrage should be prioritized in deciding incentives for penetration levels of up to 60%. Above these levels, self-consumption should be prioritized as an incentive. However, it is worth mentioning that the two strategies could be encouraged regardless of the penetration levels, as both create technical benefits for the distribution networks. The proposed method can support policy proposals to encourage BESS integration in distribution systems. INDEX TERMSBattery energy storage systems, distribution systems, photovoltaic distributed generation, power quality, price arbitrage, self-consumption, technical and financial impacts, uncoordinated control strategies. NOMENCLATURE ANEEL National electric energy agency BESS Battery energy storage system PVDG Photovoltaic distributed generation ToU Time-of-use ∆D p Variation in the peak demand due to PVDG/BESS integration ∆D p S Variation in the peak demand arising from BESS integration of scenario S ∆L p Variation in the technical losses arising from PVDG/BESS integration ∆L p S Variation in the technical losses arising from BESS integration of scenario S ∆V p Variation in the voltage violation arising from PVDG/BESS integration

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Impact of policy incentives on the promotion of integrated PV and battery storage systems: a techno‐economic assessment

Cited by 27 publications

References 24 publications

Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

Comparison of Economical and Technical Photovoltaic Hosting Capacity Limits in Distribution Networks

Technical and Financial Impacts on Distribution Systems of Integrating Batteries Controlled by Uncoordinated Strategies

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