Država

Regulatorno tijelo

Tvrtka za prijenos

Austrija

Elektritats – Control, GmbH

Verbund-Austrian Power Grid,GmbH (APG)

Powergrid-Tiroler Wasserkraftwerke AG

Vorarlberger Kraftwerke AG

Belgija

Commission de Regulation de l'Electricite et du Gas (CREG)

ELIA

Danska

Energitilsynet

Elkraft System a.m.b.a.

Finska

The Energy Market Authority

Fingrid Oyj

Francuska

Commission de Regulation de l'Electricite

Reseau de Transport Electricite (RTE)

Njemačka

Bewag AG

EnBW Transportnetze AG

Hamburgische Electricitats – Werke AG (HEW)

RWE Net AG

E.ON Netz GmbH

VEAG Vereinigte Energiewerke AG

Velika Britanija

Office for Gas and Electricity Markets (OFGEM) (Engleska, Wales, Škotska)

The National Grid Company (NGC)

Office for Regulation of Electricit and Gas (OFREG) (S.Irska)

Northern Ireland Electricity plc (NIE)

Scottish and Southern Energy plc (SSE)

Scottish Power plc (SP)

Grčka

RAE – Regulatory Authority for Energy

Public Power Corporation – Hellenic Transmission System Operator

Irska

Commission for Electricity Regulation (CER)

Electricity Supply Bord (ESB)

Italija

Autorita per l'Energia Elettrica e il Gas

Gestore della rete di Transmissione nazionale S.p.A

Luksemburg

Institut Luxembourgeois de Regulation

Cegedel S.A.

Nizozemska

Dienst uivoering en toezicht Energie (DTe)

Tennet b.v.

Norveška

Norwegian Water Resources and Energy Directorate (NVE)

Statnett SF

Portugal

Entitade Reguladora do Sector Electrico (ERSE)

Rede Electrica National S.A.

Španjolska

Commision Nacional de Energia (CNE)

Red Electrica de Espana

Švedska

Office of the Electricity and Gas Regulator

Svenska Kraftnat

Švicarska

Schiedskommission (ali nakon liberalizacije)

Atel – Aare Tessin AG

BKW-FMB Energie AG

Centralschweizerische Kraftwerke (CKW)

Elektrizitats-Gesellschaft Laufenburg AG (EGL)

EOS – Energie Ouest Suisse

EWZ Elektrizitatswerk der Stadt Zurich

Nordostschweizerische Kraftwerke (NOK)

Etrans (udruženje švicarskih TSO-a)

HRVATSKA

Hrvatska energetska regulatorna agencija

HEP Operator prijenosnog sustava d.o.o.

Rumunjska

Romanian Electricity & Heat Regulatory Authority (ANRE)

Transelectrica – S.A.

Slovenija

Agencija za energijo Republike Slovenije

ELES UPO d.o.o.

Mađarska

Magyar Energia Hivatal (Hungarian Energy Office)

Ovit Rt.

Bugarska

State Energy Regulatory Commission (SERC)

Natsionalna Elektricheska Kompania EAD (NEK)