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Due to the wide range of BESS capabilities as mentioned above, Korean power system plans to provision BESS to relieve generation curtailment and to provide FR service in the short-term applications, and to maintain frequency stability by providing FFR service in a low-inertia system for the long-term applications.
Market mechanism Korea's BESS sector has experienced significant growth, with an installed capacity of 1.6 GW at the end of 2019 (Yoen, 2022). Despite initial economic challenges, government policies have driven BESS market expansion by fostering technology development and policy initiatives.
In total, 14 companies were involved, including HD Hyundai Electric, Hyosung Heavy Industries, LS Electric, Samsung SDI, LG Energy Solution, and others. HD Hyundai Electric announced the completion and start of operation of its 336MW BESS for the utility a couple of months ago.
(Li et al., 2023) BESS utilize several types of battery technologies, including Li-ion, lead-acid, redox flow, sodium-sulphur, zinc-bromine flow batteries, and solid-state batteries, with new ones continuously being introduced (Rahman, 2020).
