Poznámka:* ďalšie zmluvné strany :<br />
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CYPRUS TSO; ČEPS a.s.; Elering AS; Red Eléctrica de Espaňa, S.A.U.; National Grid Electricity Transmission plc; SONI; Independent Power Transmission Operator S.A; HEP – Operator prijenosnog sustava d.o.o.; Mavir ZRt.; EirGrid plc; Landsnet hf; TERNA; LITGRID AB; AS Augstsprieguma tīkls; CGES AD; MEPSO - Operator na elektroprenosniot sistem na Makedonija, AD, vo drzavna sopstvenost; PSE S.A.; REN - Rede Electrica Nacional, S.A.; Transelectrica SA; EMS - Javno Preduzeće ELEKTROMREŽA SRBIJE; Elektro Slovenija d.o.o; Slovenska Elektrizacna Prenosova Sustava a.s.; SP Transmission Limited; Scottish Hydro Electric Transmission plc