1. Ministry of Trade, Industry and Energy & Korea Energy Economics institute (2017) Industry and Energy, Renewable Energy 3020 Implementation Plan (RE 3020), Korea
2. Lee S, Cho I (2018) International Renewable Energy Policy Changes and Market Analysis. Korea Energy Economics institute, Ulsan
3. Korea Energy Agency (2019) KEA energy handbook, Korea
4. Ministry of Trade, Industry and Energy & Korea Energy Economics institute (2019) Energy demand management and Renewable policy briefing, Korea
5. Kanjiya P, Khadkikar V (2013) Enhancing power quality and stability of future smart grid with intermittent renewable energy sources using electric springs. In: 2013 International Conference on Renewable Energy Research and Applications (ICRERA), Madrid, pp 918–922