South Korea standardizes rules to lower energy storage system costs
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The Ministry of Climate and Energy, working with other government bodies, began distributing new guidelines to local governments on October 15th to standardize how outdoor Energy Storage Systems (ESS) are classified as buildings, temporary structures, or installations.
Previously, different local authorities categorized the same ESS differently, causing delays and high permit costs for businesses. The new guidelines classify ESS based on their structure and whether people can enter them.
Systems fully enclosed and inaccessible are categorized as installations, simplifying the permitting process. Classifying an ESS as an installation, rather than a building, exempts it from certain building codes, reducing both the time and expense of obtaining permits. The government estimates that businesses could save between ₩2 million and ₩10 million (approximately $1,500 to $7,500 USD) and cut permit processing times from two to four months to two weeks to 1.5 months.
Even with this simpler classification, facilities may still require construction or development permits depending on their specific form. The South Korean government expects these unified standards to encourage wider adoption of ESS, which are increasingly important for stabilizing the power grid as renewable energy sources like solar and wind power become more common. The Ministry aims to resolve regulatory uncertainties to facilitate investment and construction of these systems.
