1. 10th basic plan for long-term electricity supply and demand, 2023.1
2. Plan for the introduction of 70-kV new transmission voltage, KEPCO, 2017.11
3. 8th long-term transmission and substation facility plan, KEPCO, 2018.7
4. 10th long-term transmission and substation facility plan, KEPCO, 2023.5
5. Power system reliability and electrical quality maintenance standards (2023–65) p 2023.4. MOTIE