4 FAQs about Korea Energy Storage Power Supply Procurement

Why is South Korea launching the ESS central contract market auction?

The South Korean government, under the auspices of its carbon neutrality and energy transition goals, has launched the 2025 1st ESS Central Contract Market auction, marking an evolution in the country's battery energy storage system strategy. South Korea has committed to increasing renewable energy capacity while maintaining grid stability.

Why is South Korea launching a 540mw battery energy storage tender?

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.

Will Korea continue ESS procurement in 2026?

Under the 11th Basic Plan for Electricity Supply and Demand, Korea intends to continue ESS procurement through the Central Contract Market mechanism, totaling 2.1 GW on the mainland between 2026 and 2029, and 0.12 GW in Jeju between 2026 and 2028. In light of this plan, further rounds of ESS auctions are expected in the coming years.

Why should South Korea deploy long-duration storage?

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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