Stochastic approach for economic viability of photovoltaic systems with battery storage for big electricity consumers in the regulated marketin Brazil

Lima Delberis A.; Feijao Veronica Rodrigues

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Stochastic approach for economic viability of photovoltaic systems with battery storage for big electricity consumers in the regulated marketin Brazil

机译：Stochastic approach for economic viability of photovoltaic systems with battery storage for big electricity consumers in the regulated marketin Brazil

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Today in Brazil, due to the government incentives, the Net-metering scheme can be seen as a Photovoltaic system that uses the power grid as a virtual battery. This analogy is possible due to the energy credits accumulated in the metering when the prosumer injects power to the network. When the government incentives run out, it can trigger an opportunity market to stimulate the consumers to have their own batteries. Associated with this, the Lithium-ion battery storage systems market has been promising due to a significant drop in battery prices in the last few years.This work proposes a stochastic mixed integer linear programming (MILP) model to design a photovoltaic system integrated with battery energy storage, using generation and consumption scenarios under a Time-of-Use tariff model applied in Brazil. The decision variables are the number of panels, inverters, batteries, its daily operation and the power demand contracted. The objective function aims to minimize the annual cost of investment in photovoltaic system and battery as well as in electricity bill in the context of the Brazilian rules.The proposed model was adapted for a scheme with free export to the network and other with zero export in order to assess the importance of a storage system to keep the economic attraction of the photovoltaic system. Results indicated that the synergic effect of the photovoltaic system and battery, potentialize the arbitrage, which is related to the difference between peak and off-peak energy tariff, mainly with Zero Export scheme because the consumer is free to choose the capacity of the photovoltaic system, which is limited for Net-metering scheme.

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来源
《Electric Power Systems Research》 |2022年第4期|107744.1-107744.8|共8页
作者
Lima Delberis A.; Feijao Veronica Rodrigues;
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作者单位

Pontificia Univ Catolica Rio de Janeiro, Rua Raul Pompeia 61-301, Rio De Janeiro, Brazil;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Photovoltaic system; Battery energy storage system; Power demand contract; Lithium -ion battery technology; Mixed integer linear programming; Stochastic model; Zero export system;

Stochastic approach for economic viability of photovoltaic systems with battery storage for big electricity consumers in the regulated marketin Brazil

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