Multi-Scenario Progressive Planning Optimization of Shared Energy Storage Under Dual-Carbon Goals

ZHANG Ting; MA Yuze; WU Yunna

doi:10.12204/j.issn.1000-7229.2025.01.012

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Electric Power Construction ›› 2025, Vol. 46 ›› Issue (1) : 134-146. DOI: 10.12204/j.issn.1000-7229.2025.01.012

Renewable Energy and Energy Storage

Multi-Scenario Progressive Planning Optimization of Shared Energy Storage Under Dual-Carbon Goals

ZHANG Ting ¹ ,
MA Yuze ² ,
WU Yunna ²^,³

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Abstract

Guided by the goal of carbon neutrality，the optimization of shared energy-storage planning has become key for solving （i） the volatility and uncertainty of power supply for new power systems with new energy as the main body and （ii） the mismatch with user demands. Therefore，based on a comprehensive analysis of the physical characteristics，operation characterization function，and cost-benefit model of typical flexibility-regulation resources of new power systems，this study performs a characteristic analysis of system flexibility-regulation demand as guidance and aims to maximize the social welfare of flexibility regulation. The operation strategy and progressive planning-optimization model for six scenarios of lithium battery-supercapacitor shared energy-storage system under the coordination of multiple flexible-regulation resources，such as smoothing fluctuations，peaking and valley filling，alleviating transmission and distribution circuit congestion and delaying grid upgrading，reducing wind and power rejection，achieving supply-and-demand balance，and reducing load cutting，are proposed. Additionally，a scientific and effective solution method is proposed to facilitate the dynamic construction of new power systems. Numerical results show that the proposed model can improve the absorption level of renewable energy and effectively reduce the system flexibility-adjustment cost.

Key words

shared energy storage / progressive planning optimization / multi-flexible adjustment resource coupling / multi-scenario analysis / new power system

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ZHANG Ting , MA Yuze , WU Yunna. Multi-Scenario Progressive Planning Optimization of Shared Energy Storage Under Dual-Carbon Goals[J]. Electric Power Construction. 2025, 46(1): 134-146 https://doi.org/10.12204/j.issn.1000-7229.2025.01.012

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