Stem

Transelectrica

Transelectrica is an electricity transmission system operator in Romania.

PSE-Operator

is state owned transmission system operator in Poland. 100% of its shares is owned by the State Treasury.

Crnogorski Elektroprenosni Sistem AD

Crnogorski Elektroprenosni Sistem AD is an electric power transmission system operator located in Podgorica, Montenegro.

Statnett

Statnett is a Norwegian state owned enterprise responsible for owning, operating and constructing the stem power grid in Norway. The company has its headquarter…

Augstsprieguma Tkls AS (AST)

Augstsprieguma Tkls AS (AST) is an independent electricity transmission system operator in Latvia.

Litgrid

Litgrid is a transmission system operator in located in Vilnius, Lithuania. It is a subsidiary of EPSO-G AB, which owns 97.5% of its shares.

KOSTT

KOSTT j.s.c is a Kosovar transmission system operator company with the headquarters in Pristina, Kosovo. It plays an important role in the energy sector in Koso…

Terna S.p.A.

Terna S.p.A. is a transmission system operator (TSO) based in Rome, Italy.

Landsnet

Landsnetis a transmission system operator of the Icelandic high-voltage power grid.

INDEPENDENT POWER TRANSMISSION OPERATOR - ADMIE

ADMIE is the Transmission System Operator for the Hellenic Electricity Transmission System.

Amprion GmbH

Amprion GmbH(formerlyRWE Transportnetz Strom GmbH) is one of the fourtransmission system operatorsfor electricity inGermanywith approx. 950 employees.

ENTSO-E

ENTSO-E, the European Network of Transmission System Operators for Electricity, represents 43 electricity transmission system operators (TSOs) from 36 countries…

TenneT

TenneT B.V. is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem.

50Hertz Transmission GmbH

50Hertz Transmission GmbH, formerly named Vattenfall Europe Transmission, is one of four transmission system operators for electricity in Germany, and is wholly…

RTE

RTE, is the electricitytransmission system operatorofFrance. It is responsible for the operation, maintenance and development of the French high-voltage transmi…