South Korea tenders 6.6 GWh of six-hour storage under 15-year contracts

From ESS News The Korea Power Exchange (KPX) has launched a competitive bidding process for its 2026 ESS central contract market. According to the machine-translated documents, the plan is to evaluate and select bids to build energy storage systems with a capacity of 1,100 MW on the Korean mainland and 80 MW on Jeju Island by February 2029, with a six-hour duration. The two locations have separate processes. The 1.1 GW mainland grid-targeted procurement requires grid-forming capability, at least 383 annual cycles, and 15-year performance guarantees. In the award decision evaluation, price accounts ...

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