The Service Users of Coordinated Auction Office in South East Europe:

Croatia HOPS Hrvatski operator prijenosnog sustava d.o.o.
Bosnia and
Herzegovina
NOS-BiH Nezavisni operator sistema u Bosni i Hercegovini
Montenegro CGES Crnogorski elektroprenosni sistem AD
Albania OST Operatori i Sistemit te Transmetimit
Greece IPTO Independent Power Transmission Operator S.A.
Turkey TEIAS TÜRKIYE ELEKTRIK ILETIM A.S
FYROM MEPSO Македонски електропреносен систем оператор
Italy TERNA TERNA S.p.A. - Rete Elettrica Nazionale