The P'yŏngyanghwajŏn Line, or P'yŏngyang Thermal Power Plant Line, is an electrified freight-only railway line of the Korean State Railway in Pot'onggang-guyŏk and P'yŏngch'ŏn-guyŏk, P'yŏngyang, North Korea, running from Pot'onggang on the P'yŏngnam Line to P'yŏngch'ŏn, with a branch to the P'yŏngyang Thermal Power Plant, from which the line gets its name Wikipedia