Transmission System Operators

A Transmission System Operator (TSO) is an entity entrusted at a national or regional level with the transport of energy in the form of natural gas or electricity over a fixed infrastructure.

	Name	Commodities	Country
1	50Hertz Transmission GmbH	Power	DE
Heidestraße 2 10557 Berlin Germany Phone: +49 30 5150-0 http://www.50hertz.com/ info@50hertz.com
2	Amber Grid AB	Natural Gas / Natural Gas (GBP)	LT
Laisvės ave. 10 04215 Vilnius Lithuania Phone: (0 5) 236 0855 https://ambergrid.lt/en info@ambergrid.lt
3	Amprion GmbH	Power	DE
Rheinlanddamm 24 44139 Dortmund Germany Phone: +49 231 / 438-23 63 http://www.amprion.net/ bilanzkreisdaten@amprion.net
4	Austrian Power Grid AG (APG)	Power	AT
Patrick Kauf Wagramer Straße 19 1220 Vienna, IZD-Tower Austria Phone: +43 (0) 50 320 56577 http://www.apg.at patrick.kauf@apg.at
5	Borzen, operater trga z elektriko, d. o. o.	Power	SI
Dunajska cesta 156 SI-1000 Ljubljana Slovenia Phone: +386 1 620 7600 Fax: +386 1 620 7601 www.borzen.si info@borzen.si
6	Central European Gas Hub AG	Natural Gas / Natural Gas (GBP)	AT
Susanne Neunteufl Floridsdorfer Hauptstraße 1 1210 Wien Austria susanne.neunteufl@gashub.at
7	Conexus Baltic Grid A S	Natural Gas / Natural Gas (GBP)	LV
Stigu Street 14 1021 Riga Latvia Phone: +371 67 087 900 https://www.conexus.lv/en info@conexus.lv
8	Eirgrid plc.	Power	IE
160, Shelbourne Road - The Oval - D04 FW28 Dublin Ireland Phone: +353 1 677 1700 http://www.eirgridgroup.com/
9	Elektromreža Srbije	Power	RS
Kneza Miloša 11 11000 Belgrade Serbia Phone: +38111 3330-700 http://www.ems.rs kabinet@ems.rs
10	Elering AS Oy	Natural Gas / Natural Gas (GBP)	EE
Kadaka tee 42 12915 Tallinn Estonia Phone: +372 71 51 222 https://elering.ee/en info@elering.ee
11	ELES, d.o.o.	Power	SI
ELES, d.o.o. Hajdrihova 2 SI-1000 Ljubljana Slovenia Phone: +386 (0)1 474 30 00 Fax: +386 (0)1 474 25 02 info@eles.si
12	ELEXON	Power	UK
350 Euston Road NW1 3AW London United Kingdom Phone: 0870 010 6950 http://www.elexon.co.uk/ bscservicedesk@logica.com
13	Elia System Operator SA	Power	BE
Werner Dupont Boulevard de l'Empereur 20 1000 Brussels Belgium Phone: +32 2 / 546-73 20 http://www.elia.be werner.dupont@elia.be
14	Enagás S.A	Natural Gas / Natural Gas (GBP)	ES
Paseo de los Olmos 19 28005 Madrid Spain Phone: +34 91 709 92 30 https://www.enagas.es/portal/site/enagas contacta@enagas.es
15	Energinet.dk	Power, Natural Gas	DK
Christian Allan Rutherford Pederstrupvej 76 DK-2750 Ballerup Denmark Phone: +45 2333 8908 http://www.energinet.dk/ cru@energinet.dk
16	eSett Oy	Power	FI
Läkkisepäntie 23 00620 Helsinki Finland Phone: +358 10 5018500 https://www.esett.com/ settlement@esett.com
17	Fingrid Oyj	Power	FI
Läkkisepäntie 21 00620 Helsinki Finland Phone: +358 30 395 5000 https://www.fingrid.fi/en/ settlement@esett.com
18	Fluxys	Natural Gas / Natural Gas (GBP)	BE
Werner Luyts Kunstlaan/Avenue des Arts 31 1040 Brussels Belgium Phone: +32 2 282 67 70 Fax: +32 2 282 02 39 info.transport@fluxys.com
19	Gas Transport Services B.V.	Natural Gas / Natural Gas (GBP)	NL
Jan Egging Concourslaan 17 9727 KC Groningen Netherlands Phone: +31 50 / 521-28 38 http://www.gastransportservices.nl/ info@gastransport.nl
20	Gasgrid Finland Oy	Natural Gas / Natural Gas (GBP)	FI
Keilaranta 13-19 B 02150 Espoo Finland Phone: +358 20 447 8888 https://gasgrid.fi/en/ info@gasgrid.fi
21	GRTgaz	Natural Gas / Natural Gas (GBP)	FR
6 rue Raoul Nordling 92270 Bois-Colombes France Phone: +33 1 / 55 66 40 00 http://www.grtgaz.com/ accueil-grtgaz@grtgaz.com
22	MAVIR Magyar	Power	HU
Krisztina Iványi Anikó utca 4 1031 Budapest Hungary Phone: +36 1 / 304-1790 Fax: +36 1 / 304-17 70 http://www.mavir.hu/ info@mavir.hu
23	National Grid	Natural Gas / Natural Gas (GBP)	UK
Gas Operations Warwick Technology Park, Gallows Hill CV34 6DA Warwick United Kingdom Phone: +44 1926 656 568 http://www.nationalgrid.com/uk gasoperations.shipperliaison@uk.ngrid.com
24	OTE, a.s.	Power, Natural Gas	CZ
Sokolovská 192/79 186 00 Praha 8 - Karlín Czech Republic Phone: +420 296 579 330 http://https//www.ote-cr.cz poze@ote-cr.cz
25	Polskie Sieci Elektroenergetyczne SA	Power	PL

26	Réseau de transport d'électricité (RTE)	Power	FR
Pierre Fontaine 1, Terrasse Bellini - TSA 41000 92919 Paris La Défense Cedex France Phone: +800 80 50 50 50 http://www.rte-france.com/ rte-hotline@rte-france.com
27	Snam Rete Gas S.p.A.	Natural Gas / Natural Gas (GBP)	IT
Piazza Santa Barbara, 7 20097 San Donato Milanese Italy Phone: +39 02 3703 1 Fax: +39 02 3703 9227 www.snamretegas.it postmaster@snamretegas.it
28	SONI Ltd.	Power	UK
12, Manse Road - Co Antrim BT6 9RT Belfast United Kingdom Phone: +44 28 90794336 http://www.soni.ltd.uk/ info@soni.ltd.uk
29	Statnett SF	Power	NO
PB 4904 Nydalen 0423 Oslo Norway Phone: +47 23 90 30 00 Fax: +47 23 90 30 01 http://www.statnett.no/en/ firmapost@statnett.no
30	Svenska Kraftnät	Power	SE
P.O. Box 1200 172 24 Sundbyberg Sweden Phone: +46 10-475 80 00 Fax: +46 10-475 89 50 https://www.svk.se/en/ registrator@svk.se
31	Swissgrid AG	Power	CH
Dammstraße 3 5070 Frick Switzerland Phone: +41 58 / 580-21 11 https//www.swissgrid.ch info@swissgrid.ch
32	TenneT TSO B.V.	Power	NL
Utrechtseweg 310 6800 AS Arnhem Netherlands Phone: +31 26 373 11 11 www.tennet.eu tennet-operational-planning@tennet.eu
33	TenneT TSO GmbH	Power	DE
Bernecker Straße 70 95448 Bayreuth Germany http://www.tennettso.de/ bilanzkreis-eeg@tennet.eu
34	Trading Hub Europe GmbH	Natural Gas / Natural Gas (GBP)	DE
Gitta Helbig Kaiserswerther Straße 115 40880 Ratingen Germany Phone: +49 30 / 36 42 89-614 http://www.gaspool.de/ gitta.helbiggaspool.de
35	TransnetBW GmbH	Power	DE
Kriegsbergstraße 32 70174 Stuttgart Germany http://www.transnetbw.com/

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Transmission System Operators

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