Austria

TIWAG-Netz AG
VERBUND APG
VKW-ÜN

http://www.tiwag.at
http://www.verbund.at
http://www.vkw-grid.at

Belgium

Elia

http://www.elia.be

Bosnia-
Herzegovina

JPCC

http://www.zekc.t-ba.net/

Bulgaria

NEK

http://www.nek.bg

Croatia

HEP

http://www.hep.hr

Czech Republic

CEPS a.s.

http://www.ceps.cz

Denmark

Energinet.dk

http://www.energinet.dk/

France

RTE

http://www.rte-france.com

FYROM

MEPSO

http://www.esmak.com.mk

Germany

EnBW Transportnetze
E.ON Netz
RWE Tr. Netz Strom
VE Transmission

http://www.enbw.com
http://www.eon-netz.com
http://www.rwetransportnetzstrom.com/
http://www.vattenfall.de

Greece

HTSO/DESMIE

http://www.desmie.gr

Hungary

MAVIR ZRt.

http://www.mavir.hu

Italy

Terna

http://www.terna.it

Luxembourg

CEGEDEL Net S.A.

http://www.cegedel.lu

Netherlands

TenneT

http://www.tennet.org

Poland

PSE-Operator SA

http://www.pse-operator.pl/

Portugal

REN

http://www.ren.pt

Romania

Transelectrica

http://portal.transelectrica.ro

Slovak Republic

SEPS a.s.

http://www.sepsas.sk

Slovenia

ELES

http://www.tso.eles.si

Spain

REE

http://www.ree.es

Switzerland

ATEL
BKW UTN
EGL Grid AG
EOS
ETRANS
NOK

http://www.atel.ch
http://www.bkw.ch
http://www.egl.ch
http://www.eos-gd.ch
http://www.etrans.ch
http://www.nok.ch