KOSTT is electricity Transmission, System and Market Operator of the Republic of Kosovo, a public company with 100% of shares owned by the Republic of Kosovo. According to Law on Electricity no. 05/L-085 approved in 2016, the rights of the shareholder will be exercised by the Assembly of the Republic of Kosovo.
KOSTT manages the Transmission System of the Republic of Kosovo, operating with high-voltage 400kV, 220kV and 110kV lines. The transformers connected to the distribution network: 220/35//10 kV and 110/35/10 (20) kV also belong to the transmission system. The responsibility of KOSTT is to transmit electricity safely and reliably from generating units to the distribution system, 24 hours a day, 365 days a year.