The Potential Roles of Energy Storage in Power Systems

Document Type

Article

Publication Date

9-2025

Subject: LCSH

Energy storage, Storage batteries, Flow batteries

Disciplines

Electrical and Computer Engineering | Power and Energy

Abstract

Successfully decarbonising the electric power system requires greater flexibility.  Most grid operators agree that storage technologies that do not emit CO2 when used will play a crucial role within their networks in the years to come.  These technologies can support and enable the integration of non-dispatchable renewable energy sources into the grid.  Some storage roles are already clear, while others lie in the future.

This is CIGRE’s first dedicated effort on the use and application of non-emitting energy storage in power system development and economics.  It lays the foundation for future Working Groups to build upon the recommendations of this TB.

This Technical Brochure discusses only energy storage technologies that do not emit CO2 when used.  The WG organised the TB into six chapters:

  1. Introduces the broad concept of energy storage and provides a brief overview of its role in human history. 
  2. Outlines the types of energy storage technologies that do not emit CO2 and discusses various universal comparison factors. 
  3. Discusses the applications of energy storage. 
  4. Describes implementation issues and problems, presents issues and challenges introduced by energy storage, and discusses energy storage effects on power system planning.
  5. Describes utility experiences with and applications of energy storage. 
  6. Presents the conclusions and recommendations on energy storage, including overall insights into energy storage in electric power systems, the significance of energy storage in modern power systems, current and future developments, key factors affecting energy storage, emerging issues and potential challenges, and suggestions for follow-up work by Study Committee C1.

Comments

CIGRE Working Group C1.51, Technical Brochure No. 970

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