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ENTSO-E Member Companies

​​​​​​​​​​​​​​​European Transmission System Operators (TSOs) are entities operating independently from the other electricity market players and are responsible for the bulk transmission of electric power on the main high voltage electric networks. TSOs provide grid access to the electricity market players (i.e. generating companies, traders, suppliers, distributors and directly connected customers) according to non-discriminatory and transparent rules. In order to ensure the security of supply, they also guarantee the safe operation and maintenance of the system. In many countries, TSOs are in charge of the development of the grid infrastructure too.

42 TSOs from 35 countries are members of ENTSO-E (the European Network of Transmission System Operators for Electricity).

Country Company Abbr. / Website

 

AT
Austria

 

Austrian Power Grid AG

 

Vorarlberger Übertragungsnetz GmbH

 
APG


VUEN

 

BA
Bosnia and Herzegovina

 

Nezavisni operator sustava u Bosni i Hercegovini

 

NOS BiH

 

BE
Belgium

 

Elia System Operator SA

 

Elia

 

BG
Bulgaria

 

Electroenergien Sistemen Operator EAD

 

ESO

 

CH
Switzerland

 

Swissgrid ag

 

Swissgrid

 

CY
Cyprus

 

Cyprus Transmission System Operator

 

Cyprus TSO

 

CZ
Czech Republic

 

ČEPS a.s.


ČEPS

 

DE
Germany

 

TransnetBW GmbH

 

TenneT TSO GmbH

Amprion GmbH

50Hertz Transmission GmbH


TransnetBW

TenneT DE

Amprion

50Hertz

 

DK
Denmark

 

Energinet.dk

 

Energinet.dk

 

EE
Estonia

 

Elering AS

 

Elering AS

 

ES
Spain

 

Red Eléctrica de España S.A.

 

REE

 

FI
Finland

 

Fingrid Oyj

 

Fingrid

 

FR
France

 

Réseau de Transport d'Electricité

 

RTE

 

GB
United Kingdom

 

National Grid Electricity Transmission plc

 

System Operator for Northern Ireland Ltd

 

Scottish Hydro Electric Transmission plc

 

Scottish Power Transmission plc

 

National Grid

 

SONI

 

SHE Transmission

 

SPTransmission

 

GR
Greece

 

Independent Power Transmission Operator S.A.

 

IPTO

 

HR
Croatia

 

HOPS d.o.o.

 

HOPS

 

HU
Hungary

 

MAVIR Magyar Villamosenergia-ipari Átviteli Rendszerirányító Zártkörűen Működő Részvénytársaság

 

MAVIR ZRt.

 

IE
Ireland

 

EirGrid plc

 

EirGrid

 

IS
Iceland

 

Landsnet hf

 

Landsnet

 

IT
Italy

 

Terna - Rete Elettrica Nazionale SpA

 

Terna

 

LT
Lithuania

 

Litgrid AB

 

Litgrid

 

LU
Luxembourg

 

Creos Luxembourg S.A.

 

Creos Luxembourg

 

LV
Latvia

 

AS Augstsprieguma tÏkls

 

Augstsprieguma tÏkls

 

ME
Montenegro

 

Crnogorski elektroprenosni sistem AD

 

Crnogorski elektroprenosni sistem

 

MK
FYR of Macedonia

 

Macedonian Transmission System Operator AD

 

MEPSO

 

NL
Netherlands

 

TenneT TSO B.V.

 

TenneT NL

 

NO
Norway

 

Statnett SF

 

Statnett

 

PL
Poland

 

Polskie Sieci Elektroenergetyczne S.A.

 

PSE S.A.

 

PT
Portugal

 

Rede Eléctrica Nacional, S.A.

 

REN

 

RO
Romania

 

C.N. Transelectrica S.A.

 

Transelectrica

 

RS
Serbia

 

Akcionarsko društvo Elektromreža Srbije

 

EMS

 

SE
Sweden

 

Svenska kraftnät

 

SVENSKA KRAFTNÄT

 

SI
Slovenia

 

ELES, d.o.o.

 

EL​ES

 ​

SK
Slovak Republic

 

Slovenská elektrizačná prenosová sústava, a.s.

 

SEPS

Observer member

TR
Turkey

​​​​​TEİAŞ

TEİAŞ