Multiple stage stochastic planning of integrated electricity and gas system based on distributed approximate dynamic programming

Houwang Zhang, Qiuwei Wu, Jian Chen, Lina Lu, Jiangfeng Zhang and Shuyi Zhang

Energy, 2023, vol. 270, issue C

Abstract: With the increasing coupling of integrated electricity and gas systems, it's essential to implement a proper planning scheme. The planning of the integrated electricity and gas systems usually consists of multiple planning stages and various uncertainties, making the problem difficult to solve. In this paper, combining the approximate dynamic programming method and the alternating direction multiplier method, a distributed approximate dynamic programming based multiple stage stochastic planning scheme is proposed for the integrated electricity and gas systems. The multiple stage stochastic planning scheme realizes the coordination of new installation and expansion of power grid lines, natural gas pipelines, substations, city gates, photovoltaics, wind turbines, gas turbines and energy storage devices, while considering both the long-term and the short-term uncertainties. The multiple stage stochastic planning model is reformulated as a Markov decision process with a sequential decision strategy, in which the investment variables are decided stage by stage with long-term uncertainties gradually revealed in the planning period. The distributed approximate dynamic programming algorithm is used to solve the multiple stage stochastic planning model, which is in the form of the Markov decision process, by decoupling in both temporal and spatial dimensions. Numerical tests on the test system with a 24-node power grid and a 30-node natural gas network verify the effectiveness of the multiple stage stochastic planning model.

Keywords: Integrated electricity and gas systems; Multiple stage stochastic planning; Markov decision process; Approximate dynamic programming; Alternating direction multiplier method (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:270:y:2023:i:c:s0360544223002864

DOI: 10.1016/j.energy.2023.126892

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