MEPSO Electricity Transmission System Operator of North Macedonia (Macedonian: МЕПСО – Македонски електропреносен систем оператор) is a state-owned transmission system operator company for electricity with headquarters in Skopje, North Macedonia. It was founded in 2005, after being split from Elektrostopanstvo na Makedonija (ESM) and it is specialized in the transmission of electrical power. It is a member of the European Network of Transmission System Operators for Electricity.