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ESS Report

Transition of ESS as Flexibility Resources

Enel X Korea October 2025 Research Report

This research report explores how Energy Storage Systems (ESS) are evolving from a supporting technology into a core flexibility resource that ensures grid stability and efficiency.

The Report

It examines:

  • Comparative ESS market models in the U.S., U.K., Australia, and Japan,

  • Korea’s policy shifts and the transition toward settlement-based market structures, and

  • Future directions for real-time flexibility markets and ESS operation strategies.

 

Drawing on global case studies and policy analysis, the report provides a data-driven view of how ESS competitiveness is increasingly defined by settlement efficiency, operational precision, and data reliability, not by capacity alone.

 

Through this study, Enel X Korea aims to support companies navigating Korea’s evolving power market by offering practical insights for building data-driven, flexible, and profitable ESS strategies.

 

Download the Full Report (PDF)