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
50Hertz Transmission GmbH	Power	DE
Heidestraße 2 10557 Berlin Germany Phone: +49 30 5150-0 http://www.50hertz.com/ info@50hertz.com
Amprion GmbH	Power	DE
Rheinlanddamm 24 44139 Dortmund Germany Phone: +49 231 / 438-23 63 http://www.amprion.net/ bilanzkreisdaten@amprion.net
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
Central European Gas Hub AG	Natural Gas / Natural Gas (GBP)	AT
Susanne Neunteufl Floridsdorfer Hauptstraße 1 1210 Wien Austria susanne.neunteufl@gashub.at
Eirgrid plc.	Power	IE
160, Shelbourne Road - The Oval - D04 FW28 Dublin Ireland Phone: +353 1 677 1700 http://www.eirgridgroup.com/
Elektromreža Srbije	Power	RS
Kneza Miloša 11 11000 Belgrade SERBIA Phone: +38111 3330-700 http://www.ems.rs kabinet@ems.rs
ELEXON	Power	UK
350 Euston Road NW1 3AW London United Kingdom Phone: 0870 010 6950 http://www.elexon.co.uk/ bscservicedesk@logica.com
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
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
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
eSett Oy	Power	FI
Läkkisepäntie 23 00620 Helsinki Finland Phone: +358 10 5018500 https://www.esett.com/ settlement@esett.com
Fingrid Oyj	Power	FI
Läkkisepäntie 21 00620 Helsinki Finland Phone: +358 30 395 5000 https://www.fingrid.fi/en/ settlement@esett.com
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
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
GASPOOL Balancing Service GmbH	Natural Gas / Natural Gas (GBP)	DE
Gitta Helbig Reinhardtstr. 52 10117 Berlin Germany Phone: +49 30 / 36 42 89-614 http://www.gaspool.de/ gitta.helbiggaspool.de
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
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
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
NetConnect Germany GmbH & Co. KG (NCG)	Natural Gas / Natural Gas (GBP)	DE
Stephan Alaerds Kaiserswerther Straße 115 40880 Ratingen Germany Phone: +49 2102 / 59 79 6-36 http://www.net-connect-germany.de/ bilanzkreismanagement@net-connect-germany.de
OKTE, a.s.	Power	SK
Mlynské nivy 59/A 821 09 Bratislava Slovakia Phone: +421 2 5069 2424 Fax: +421 2 5069 2050 http://www.okte.sk/en okte@okte.sk
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
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
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
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
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
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
Swissgrid AG	Power	CH
Dammstraße 3 5070 Frick Switzerland Phone: +41 58 / 580-21 11 https//www.swissgrid.ch info@swissgrid.ch
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
TenneT TSO GmbH	Power	DE
Bernecker Straße 70 95448 Bayreuth Germany http://www.tennettso.de/ bilanzkreis-eeg@tennet.eu
Teréga SA	Natural Gas / Natural Gas (GBP)	FR
Jacques de la Torre 7 rue de la Linière 64140 BILLERE France Phone: +33 5 / 59 13 36 23 http://www.tigf.fr/ jacques.de-la-torre@tigf.fr
TransnetBW GmbH	Power	DE
Kriegsbergstraße 32 70174 Stuttgart Germany http://www.transnetbw.com/

Cookie-Name	Description	Retention period
_et_coid	Cookie recognition (only with cookie activation)	2 years and/or configurable
et_allow_cookies	Functional / required: If data-block cookies are used, the API call _etracker.enableCookies() sets this cookie to "1" to indicate that etracker may set cookies. The cookie is set to "0" when _etracker.disableCookies() is called.	"0" - 50 years "1" - 480 days
isSdEnabled	Recognition of whether the visitor's scrolling depth is measured (only with cookie activation).	24 hours
GS3_v	Set by the Optimizer Web Service. Contains the same Visitor ID as BT_pdc (only with cookie activation).	1 year
BT_ctst	Is used only to detect whether or not cookies are activated in the visitor's browser (only if cookies are activated).	Duration of the session
BT_sdc	Contains Base64-encoded data of the current visitor session (referrer, number of pages, number of seconds since the start of the session, displayed smart messages in the session), which are used for personalization purposes (only if cookie is activated).	Duration of the session
BT_pdc	Contains Base64-encoded visitor history data (is customer, newsletter recipient, visitor ID, displayed smart messages) for personalization (only if cookie is activated).	1 year
BT_ecl	Contains a list of project IDs for which the visitor is excluded. This cookie is set by the web service if the client has configured that not all visitors are assigned to a test, but only a certain fraction (only if cookie is activated).	30 days
cntcookie	Functional / required Exclusion from the Census (list of Account IDs)	4 years
_et_coid	Cookie recognition (only with cookie activation).	2 years and/or configurable
GS3_v	Set by the Optimizer Web Service. Contains the same Visitor ID as BT_pdc (only with cookie activation).	1 year

Cookie-Name	Description	Retention period
cntcookie	Functional / required Exclusion from the count (list of Account IDs)	4 years
_et_coid	Cookie recognition (only with cookie activation)	2 Jahre bzw. konfigurierbar
GS3_v	Is set by the Optimizer Webservice. Contains the same Visitor ID as BT_pdc (only with cookie activation)	1 Jahr

Cookie-Name	Description	Retention period
targetingAPISession	Data collected in the current session for the optimiser (only with cookie activation).
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Provider	Website Owner
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Cookie Expiry	1 year
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Transmission System Operators

Transmission System Operators

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