Electric Power ›› 2023, Vol. 56 ›› Issue (8): 1-9,47.DOI: 10.11930/j.issn.1004-9649.202212068

• Coordinated Planning and Operation of Renewable Energy and Energy Storage • Previous Articles     Next Articles

Planning and Assessment Method of Large-Scale Electrochemical Energy Storage in Power Grids Considering Battery Aging

QI Buyang1, ZHUO Zhenyu1, DU Ershun2, ZHANG Ning1, KANG Chongqing1   

  1. 1. State Key Lab of Control and Simulation of Power Systems and Generation Equipments (Department of Electrical Engineering, Tsinghua University), Beijing 100084, China;
    2. Laboratory of Low Carbon Energy, Tsinghua University, Beijing 100084, China
  • Received:2022-12-19 Revised:2023-07-05 Accepted:2023-03-19 Online:2023-08-23 Published:2023-08-28
  • Supported by:
    This work is supported by Science and Technology Project of SGCC (Evaluation Technology of Reasonable Renewable Energy Accommodation Rate Under Energy Transition, No.1300-202156423A-0-0-00).

Abstract: China will strive to peak carbon dioxide emissions before 2030 and achieve carbon neutrality before 2060, which requires the development of a power network with high penetration of renewable energy generation. With the addition of new types of load technologies and larger peak-valley difference due to the development of economy, the uncertainty and unbalance between generation and load becomes a salient problem for low-carbon power networks. Energy storage devices can provide flexibility to such power networks and are considered to be a vital part in the construction of low-carbon power systems. In this research, a planning method for large-scale electro-chemical energy storage devices in networks considering battery ageing is developed, and the assessment of energy storage based on simulation is performed. This method can provide guidance for the configuration of energy storage devices in future low-carbon power networks. The addition of energy storage can lower the cost of system operation and decrease the emission of greenhouse gases. The reliability of the system and the ability of renewable energy consumption can be enhanced.

Key words: energy storage aging, large-scale energy storage, new energy consumption, optimal planning, operation assessment