South Korea bids out 540MW ESS to ease power
The South Korean government is launching a multi-billion-won initiative to deploy large-scale energy storage systems (ESS) across
As Asia's largest battery energy storage system for grid stabilization, it has a power output of 978 MW and a storage capacity of 889 MWh. The completion ceremony took place on September 27 at the 154 kV Bubuk Substation.
South Korea is ramping up its battery energy storage deployment with a new 540MW tender to stabilize the grid and support renewable energy growth. Learn how this move strengthens both domestic resilience and global market leadership.
Interestingly, South Korea's approach differs from some Western markets where subsidies or mandates drive storage growth. Instead, Korea is leaning into competitive contracting, using central tenders to attract cost-efficient and technically robust projects.
Deploying long-duration storage will allow Korea to capture surplus renewable energy during these off-peak periods and shift it to peak demand hours, reducing curtailment and maximizing asset utilization. This tender fits within South Korea's broader decarbonization roadmap.
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