This marks the first vertical expansion of an operational ESS on the same land area and enables additional capacity without increasing physical footprint.
Sembcorp Industries has unveiled two clean energy projects on Jurong Island: a “battery stacking” solution and Singapore’s largest ground-mounted solar project.
Sembcorp unveiled at the start of Singapore International Energy Week (SIEW) 2025 on Oct 27 that it had successfully piloted a battery stacking solution at its existing Jurong Island energy storage system (ESS) facility.

