期刊
ENERGY
卷 124, 期 -, 页码 423-434出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2017.02.086
关键词
Battery energy storage; China's power market; Price arbitrage model; Pricing strategy
资金
- Collaborative Innovation Center for Energy Economics and Energy Policy [1260-Z0210011]
- Xiamen University Flourish Plan [1260-Y07200]
- Newcastle University Joint Strategic Partnership Fund
Battery energy storage (BES) plays an important role in the integration of intermittent renewable power and distributed generation. The price arbitrage is a major source of energy storage income. In China, the electricity price is tightly regulated by the government. It's interesting to find out whether the BES is economic viability in such a special electricity market, and what's the optimal response of the grid (or regulator) when facing the arbitrage activities of BES. This research starts with a price arbitrage model to evaluate the feasibility of energy storage in China's electricity market, which can be used to determine the optimal investment scale and operation mode of energy storage. A quantitative assessment is also implemented to discuss the influence when factors change. Following this, an optimal pricing strategy for grid is established. The results reveal that the storage investment can realize positive profit in some districts where the price gap between peak/off-peak periods is high. Appropriate subsidies can be quantitatively described by sensitivity analysis. In terms of social welfare, the energy storage can be deployed on a large-scale at a low social cost under a suitable price mechanism. (C) 2017 Elsevier Ltd. All rights reserved.
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