ATTENDING UTILITIES, GRID OPERATORS, RETAILERS, TRADERS AND POWER GENERATORS

A2A Energia S.p.A. () Aalborg Forsyning (Denmark) Adriaplin d.o.o. (Slovenia) AEMO (Australia) Affärsverken Elnät AB (Sweden) Affärsverken Elnät Karlskrona AB (Sweden) Agder Energi AS (Norway) Akdeniz Distribution Company (Turkey) Akdenizedaş (Turkey) Akmercan Gas Distribution C.O (Turkey) Aksa Electricity Distiribution (Turkey) Aksa Firat Electricity Distiribution (Turkey) Aksa Natural Gas (Turkey) Albanian Power Corporation (Albania) Allgäuer Überlandwerk () Alliander N.V. (Netherlands) Alperia Energy (Italy) Alpiq AG () Alpiq Blue Energy AG (Switzerland) Alpiq Deutschland GmbH (Germany) Anglian Water Services (United Kingdom) AO Mosoblgaz (Russian Federation) AOSB (Turkey) ARAS (Turkey) Arenya Energy (Turkey) Arsan Natural Gas Distribution Co. (Turkey) AS "Latvenergo" (Latvia) AS Sadales tikls (Latvia) ASM Terni SPA (Italy) Augstsprieguma Tikls (Latvia) Austrian Power Grid () Avacon Netz GmbH (Germany) aWATTar GmbH (Austria) Axpo Power AG (Switzerland) Axpo Solutions AG (Switzerland) AZERIŞIQ (Azerbaijan) Başkentgaz (Turkey) BASKİ (Turkey) Bayerngas Energy GmbH (Austria) BEOGAS a.d. (Serbia) Beogas Inzenjering doo (Serbia) BKK Nett AS (Norway) BKW Energie AG (Switzerland) Bogazici Elektrik Dagitim A.S (BEDAŞ) (Turkey) Bordeaux Métropole Energies () Brilliant Energy (United Kingdom) Bursagaz (Turkey) Butec Utility Services (Lebanon) Bratislavská vodárenská spoločnosť, a. s. (BVS) (Slovakia) Caruna (Finland) Çedaş (Turkey) CEMIG DISTRIBUIÇÃO (Brazil) Centrica (Israel) Centrica Business Solutions (United Kingdom) Centrica Energy Marketing & Trading (United Kingdom) Centrica Plc (United Kingdom) ČEPS (Czech Republic) ČEZ Distribuce (Czech Republic) ČEZ Group (Czech Republic) ČEZ Prodej, a.s. (Czech Republic) ČEZ Trade (Romania) ČEZ Vanzare S.A. (Romania) ČEZ, a. s. (Czech Republic) Chubu Electric Power (United Kingdom) Chubu Electric Power Company (Japan) CK Enerji (Turkey) CKW AG (Switzerland) CNTEE SA (Romania) Compagnie Ivoirienne d’Electricité - CIE (Côte d'Ivoire) Copel Distribuição S.A. (Brazil) Corona Energy (United Kingdom) Corum Gaz (Turkey) SA (Luxembourg) Croatian energy market operator Ltd (Croatia) Daf Yonetim Sistemleri ve Enerji AŞ. (Turkey) Dicle EDAŞ (Turkey) Direct Energie (France) Distributie Energie Oltenia Sa (Romania) Diyarbakir Natural Gas Distribution (Turkey) DP NoviSad Gas (Serbia) Dravske Elektrarne Maribor D.O.O. (Slovenia) Dubai Electricity & Water Authority - DEWA (United Arab Emirates) E 3, d.o.o. (Slovenia) e.kundenservice Netz GmbH (Germany) E.ON (Czech Republic) E.ON (Germany) E.ON (Hungary) E.ON (United Kingdom) E.ON Business Services (Czech Republic) E.ON Business Services GmbH (Germany) E.ON Business Services Hungary Kft. (Hungary) E.ON Česká republika, s.r.o. (Czech Republic) E.ON Dél-dunántúli Áramhálózati Zrt. (Hungary) E.ON Distribuce a.s. (Czech Republic) E.ON DSO Hungary (Hungary) E.ON EED (Hungary) E.ON Energiatermelő Kft. (Hungary) E.ON Energie Deutschland GmbH (Germany) E.ON Energy Generation (Hungary) E.ON ERC RWTH AACHEN (Germany) E.ON Eszak-dunantuli Aramhalozati Zrt. (Hungary) E.ON IT Sverige AB (Finland) E.ON SE (Germany) E.ON Tiszántúli Áramhálózati Zrt (Hungary) E.ON UK PLC (United Kingdom) Eandis (Belgium) easyEnergy (Netherlands) Ebico (United Kingdom) ECE d.o.o. (Slovenia) E-Control (Austria) EDF (France) EDF (Morocco) EDF Lab PARIS-SACLAY (France) EDF Luminus (Belgium) EDF R&D (France) EDF S.A. (France) Edison spa (Italy) E-Distribuzione (Italy) EDP - Energias de Portugal (Portugal) EDP Comercial (Portugal) EDP Distribuição (Portugal) EDP ESPAÑA (Spain) EDP Innovation (Portugal) EDP Labelec (Portugal) Edyna GMBH (Italy) Eesti Energia Ltd (Estonia) EHAA Austria Energiehandels GmbH (Austria) EirGrid (Ireland) EKZ Renewables AG (Switzerland) Electric Ireland (Ireland) Electricite Du Liban (Lebanon) Electricity Authority of Cyprus (Cyprus) Elektrilevi OÜ (Estonia) Elektriziätswerke des Kantons Zürich (Switzerland) Elektro Celje D.D. (Slovenia) Elektro Ljubljana d.d. (Slovenia) Elektro Maribor d.d. (Slovenia) Elektro Primorska d.d. (Slovenia) Elektromreža Srbije (Serbia) Elektroprivreda Crne Gore AD Niksic (Montenegro) Elenia Oy (Finland) AS (Estonia) ELES d.o.o. (Slovenia) Elia Group (Belgium) Elia system Operator (Belgium) Ellevio AB (Sweden) ELMU Halozati Kft. (Hungary) Elmű Net Ltd. (Hungary) Empresa De Electricidade Da Madeira, S.A. (Portugal) EMS (Serbia) EnBW Energie Baden-Württemberg AG (Germany) Endesa Distribución Eléctrica (Spain) Enea Operator Sp. z o.o. (Poland) Eneco Group (Netherlands) Enedis - DFAA - Pôle Trésorerie et Marchés (France) Enedis (Austria) Enedis (Belgium) Enedis (France) Enefit (Latvia) Enel (Italy) Enel (Spain) Enel Energie Muntenia (Romania) Enel Energie Sa (Romania) Enel Foundation (Italy) Enel Global Infrastructures and Networks (Italy) Enel Global Trading (Italy) Enel Romania (Romania) Enel X (Italy) Enel X (Romania) Enemalta plc (Malta) Enerco (Kosovo) Energa Operator (Poland) Energia naturalis d.o.o. (Croatia) Energie AG Oberösterreich (Austria) Energie AG Oberösterreich Customer Services GmbH (Austria) Energie AG Oberösterreich Telekom GmbH (Austria) Energie Graz GmbH & Co KG (Austria) Energie Steiermark AG (Austria) Energie Steiermark Kunden GmbH (Austria) Energie Steiermark- Next Incubator (Austria) Energie Steiermark Service GmbH (Austria) Energie Steiermark Technik GmbH (Austria) Energienetze Steiermark GmbH (Austria) Energijos skirstymo operatorius (Lithuania) Energijos tiekimas (Lithuania) (Denmark) Enerya (Turkey) Enexis Group (Netherlands) Enexis Netbeheer (Netherlands) Engie (Austria) Engie (Belgium) Engie (France) Engie Austria GmbH (Austria) Eni Gas and Power France (France) Eni gas e luce (Italy) ENNA Infosense d.o.o. (Croatia) Enovos Luxembourg (Luxembourg) EPCG AD Niksic (Montenegro) ESB (Ireland) ESB Networks (Ireland) ESCO AHK LTD (Cyprus) Esgaz Distribution System Operator (Turkey) Essent (Netherlands) Estabanell Energia (Spain) estabanell&pahisa sa (Spain) Estra S.p.A (Italy) EVN (Austria) EVN (Bulgaria) EVN (Macedonia, the former Yugoslav Republic of) EVN AG (Austria) EVN Energievertrieb GmbH (Austria) EVN Macedonia (Macedonia) EVN service Center EOOD (Bulgaria) EVN Wärmekraftwerke GmbH (Austria) Evonet A/S (Denmark) Ewe Turkey Holding (Turkey) E-Werk Bad Radkersburg (Austria) EWS Elektrizitätswerke Schönau eG (Germany) ewz (Switzerland) Exelon (United States) Exelon Generation Limited (United Kingdom) EYDAP S.A. (Greece) Federal Electricity and Water Authority (United Arab Emirates) Oyj (Finland) Fio Gaz (Turkey) First Philippine Electric (Philippines) First Utility (Poland) Fluxys TENP GmbH (Germany) Fortum Consumer solutions (Norway) Fortum Markets Oy (Finland) Frederiksberg Forsyning A/S (Denmark) Fudura B.V. (Netherlands) Galp Energia SA (Portugal) Garant Energo (Ukraine) Gas feromont (Serbia) Gas Ruma (Serbia) Gas Temerin (Serbia) GAZELEC (France) Gazmer (Turkey) Gazprom energoholding (Russian Federation) GDZ (Turkey) GEM (France) GEN-I d.o.o. (Slovenia) GEN-I Sonce (Slovenia) GEN-I Vienna (Austria) GEN-I Zagreb d.o.o. (Croatia) GEN-I, trgovanje in prodaja električne energije, d.o.o. (Slovenia) Gotlands Elnät AB (Sweden) Gradska Plinara Zagreb (Croatia) GRDF (France) Green Genius, UAB (Lithuania) GridServices part innogy (Czech Republic) Groupe E SA (Switzerland) GRTGaz (France) Grupo Empresarial Cuerva, S.L. (Spain) H.E.P. (Croatia) Hafslund Strøm AS (Norway) Haugaland Kraft Nett A/S (Norway) HEDNO (Greece) Helen Ltd (Finland) HEP - ESCO d.o.o. (Croatia) HEP – Operator distribucijskog sustava d.o.o. (Croatia) HEP d.d. (Croatia) HEP Gas (Croatia) HEP Opskrba d.o.o. (Croatia) HEP Plin d.o.o. (Croatia) HEP Supply (Croatia) HEP Trgovina d.o.o. (Croatia) Hidroelectrica (Romania) Hive Centrica (Netherlands) Hokkaido Gas Co.,Ltd. (Japan) Hokuriku Electric Power Company (Japan) Holding Slovenske Elektrarne D.O.O. (Slovenia) Hrvatska elektroprivreda d.d. (Croatia) Hydro-Quebec (Canada) Hydro-Québec Internationl (Canada) Iberdrola (Qatar) Iberdrola Distribucion (Spain) Independent Electricity Market Operator of the Philippines (Philippines) Indules Srl (Italy) innogy CZ (Czech Republic) Innogy Innovation Hub (Germany) innogy SE (Germany) innogy Stoen Operator (Poland) Iren Mercato (Italy) Istanbul Gas Distribution Industry And Trade Incorporated Company (IGDAS) (Turkey) Italgas Reti SpA (Italy) Italgas SpA (Italy) Jersey Electricity (Jersey) JKP Suboticagas Subotica (Serbia) JKP Toplana Stara Pazova (Serbia) Joint Stock Company Elektromreza Srbije (Serbia) JP Elektroprivreda BiH dd Sarajevo (Bosnia and Herzegovina) JSC "GASO" (Latvia) JSC Elektromreža Srbije (Serbia) JSC GASO (Latvia) JSC Georgian State Electrosystem (Georgia) JSC Sadales tīkls (Latvia) Kansai Electric Power Company,Incorporated (Japan) KELAG (Slovenia) KELAG Energie & Wärme GmbH (Austria) K-Electric (Pvt) Ltd (Pakistan) KELER Ltd. (Hungary) KEPCO (Korea, Republic of) KEW GmbH (Austria) KNG-Kärnten Netz (Kelag) (Germany) KNG-Kärnten Netz GmbH (Austria) KOMUNALA SLOVENSKA BISTRICA d.o.o. (Slovenia) KONSTANT Net A/S (Denmark) Korea Western Power Co., Ltd (Korea, Republic Of) Kosovo Electricity Distribution and Supply Company (KEDS) (Kosovo) KVA SAL (Libanon) Kymenlaakson Sähköverkko Oy (Finland) Lahti Energy Ltd. (Finland) Lempäälän Energia Oy (Finland) Lenenergo (Russian Federation) Liander (Netherlands) Lietuvos Energija (Lithuania) LINZ AG (Austria) LINZ Energieservice GmbH-LES (Austria) LINZ Netz (Austria) LINZ Strom Gas Wärme GmbH (Austria) Linzag Telecom Gmbh (Austria) Lumcloon Energy Limited (Ireland) Luz del Sur (Peru) LVS (Slovakia) Machatka Vertriebsges.m.b.H (Austria) Mariborski vodovod (Slovenia) MAVIR Zrt. (Hungary) MERALCO (Philippines) Meram Electricity Distribution System Operator (Turkey) Mørenett AS (Norway) Mosoblgaz (Russian Federation) MVM Hungarian Electricity Ltd. (Hungary) MVM Partner Zrt. (Hungary) MVV Energie AG (Germany) MVV Energie CZ (Czech Republic) MYTILINEOS HOLDINGS (Greece) Naftogaz (Ukraine) Nano Energies (Czech Republic) natGAS Aktiengesellschaft (Germany) National Electrical Utility Company - Debbas Energy (Lebanon) National Electrical Utility sal (Lebanon) National Grid (United Kingdom) National Grid Saudi Arabia (Saudi Arabia) NATURAL GAS - HELLENIC ENERGY COMPANY (Greece) naturgy (Spain) Nemo Link Limited (United Kingdom) Nemzeti Közművek Zrt. (Hungary) N-ERGIE (Germany) Netorka hf. (Iceland) NetThings (United Kingdom) Netz Burgenland GmbH (Austria) Netz Niederosterreich GmbH (Austria) Netz OOE (Austria) Netz Burgenland (Austria) Netze BW (Germany) NEU Company (Lebanon) Next Kraftwerke (Belgium) Next Krafwerke (Germany) Nihonkai Gas Kizuna Holdings Co., Ltd. (Japan) NJSC Naftogaz of Ukraine (Ukraine) NKM Áramhálózati Kft. (Hungary) NKM National Utilities Ltd (Hungary) NKM Nemzeti Közmuvek Zrt. (Hungary) NKM National Utilities Ltd. (Hungary) NKM Power Network Operator Ltd. (Hungary) Northern Powergrid Metering (United Kingdom) NOVI SAD GAS (Serbia) Octopus Energy (United Kingdom) ODS EPS Distribucija (Serbia) OEDAŞ (Turkey) Oekostrom AG (Austria) OMV Gas & Power (Austria) OMV Gas Marketing & Trading (Austria) ORES SCRL (Belgium) Öresundskraft (Sweden) Öresundskraft AB (Sweden) Orkubu Vestfjarda (Iceland) Ørsted A/S (Denmark) Orsted Energy (Denmark) Orsted Polska Sp. z o.o. (Poland) Ørsted, Bio Energy and Thermal Power (Denmark) OSAKA GAS CO.,LTD. (Japan) OurPower.coop (Austria) Overgas Mrezhi (Bulgaria) OVO Energy (United Kingdom) PAO Rosseti (Russian Federation) PE Electric Power Industry Of Serbia (Serbia) People's Energy Company (United Kingdom) PetroChina International (United Kingdom) Petrol d.d., Ljubljana (Slovenia) Polenergia (Poland) Polski Koncern Naftowy Orlen SA (Poland) Portgás (Portugal) Power and Water Utility Company for Jubail and Yanbu (MARAFIQ) (Saudi Arabia) PPD Hungária Energiakereskedő Kft. (Hungary) PPD-Opskrba Poslovnih Korisnika D.O.O. (Croatia) Präg Energie GmbH & Co. KG (Germany) Prazska plynarenska, a.s. (Czech Republic) PREdistribuce, a.s. (Czech Republic) PREmeření, a.s. (Czech Republic) Prvo Plinarsko Društvo - distribucija plina (Croatia) PSE S.A. (Poland) PTT Public Company Limited (Thailand) RARIK (Iceland) REGAZ Bordeaux (France) RESA SA (Belgium) Réseau de Transport d’Electricité (RTE) (France) Retegas Bari Azienda Municipale Gas Spa (Italy) Régie de l'Electricité de Wavre (Belgium) Rewag KG (Germany) Røros Elektrisitetsverk AS (Norway) ROSSETI (Russian Federation) RWE Hrvatska (Croatia) RWE Supply & Trading (United Kingdom) RWE Supply &Trading GmbH (Germany) Saibu gas co., ltd (Japan) Salzburg AG (Austria) Salzburg Netz GmbH (Austria) Sarajevogas (Brazil) Saudi Electricty Company (Saudi Arabia) SDEE TN SA Cluj-Napoca (Romania) SEAS-NVE (Denmark) Sev.en EC, a.s. (Czech Republic) SFE Nett AS (Norway) Sharjah Electricity & Water Authority (United Arab Emirates) SIA Enefit (Latvia) Sibelga (Belgium) Sig - Services Industriels Geneva (Switzerland) Skellefteå Kraft (Sweden) Slovenská elektrizačná prenosová sústava, a.s. (Slovenia) SODO d.o.o. (Slovenia) Sognekraft AS (Norway) Sombor gas (Serbia) SP Group (Singapore) Srbijagas (Serbia) Sremgas (Serbia) SSE (Saint Barthélemy) St.Galler Stadtwerke (Switzerland) Stadtwerke Hall in Tirol GmbH (Austria) Stadtwerke Klagenfurt AG (Austria) Stadtwerke Konstanz GmbH (Germany) Stadtwerke Wunsiedel (Germany) Statkraft (Netherlands) Statkraft Markets GmbH (Germany) Stedin Groep B.V. (Netherlands) Stedin Netbeheer BV (Netherlands) Stromnetz Hamburg (Germany) SUEZ (France) Sunnfjord Energi AS (Norway) Suzuyo Shoji Co.,Ltd. (Japan) AG (Switzerland) Switch Energievertriebsges.m.b.H. (Austria) SWW Wunsiedel GmbH (Germany) Tata Power Delhi Distribution Ltd., (India) Tauron Dystrybucja Pomiary sp. z o.o. (Poland) TAURON Dystrybucja S.A. (Poland) Tauron Polska Energia S.A. (Poland) Tauron Sprzedaż sp. z o. o. (Poland) Tekniska verken Linköping Nät AB (Sweden) Tenaga Nasional Berhad (Malaysia) TenneT TSO BV (Netherlands) TenneT TSO GmbH (Germany) TEPCO Power Grid, Incorporated (Japan) Terna S.p.A. (Italy) The Kansai Electric Power CO.,Inc (Japan) Thuga (Germany) TiLT Capital Partners (France) TINETZ-Tiroler Netze GmbH (Austria) TIWAG-Tiroler Wasserkraft AG (Austria) Tokyo Electric Power Company Holdings, Inc. (TEPCO) (United Kingdom) Tokyo Electric Power Services CO.,Ltd (Japan) Tokyo gas co.LTD., (Japan) Tomis Team SA (Romania) Toplane Sarajevo (Bosnia and Herzegovina) Torosgaz Isparta Burdur Natural Gas Distiribution Corporation (Turkey) Transnafta (Serbia) TransnetBW GmbH (Germany) TREDAŞ (Turkey) TrønderEnergi (Norway) UEDAŞ (Turkey) UFD DISTRIBUCIÓN ELECTRICIDAD S.A. (Spain) Uniper (Germany) UPM Energy Oy (Finland) UTE (Uruguay) Vangölü Edaş (Turkey) Vantaan Energy Electricity Networks Ltd (Finland) Vatajankosken Sähkö Oy (Finland) Vattenfall (Germany) Vattenfall AB - Värme Norden (Sweden) Vattenfall AB (Netherlands) Vattenfall Energy Trading GmbH (Germany) Vattenfall Europe (Germany) Vattenfall Services Nordic AB (Sweden) Vattenfall Wärme Berlin AG (Germany) VEOLIA (France) Veolia Environnement (France) Verbund (Austria) VERBUND Hydro Power (Austria) VERBUND Sales gmbH (Austria) VERBUND Solutions (Austria) VERBUND Trading GmbH (Austria) VERBUND Wind Power Deutschland GmbH (Austria) Vivigas SpA (Italy) VmS group d.o.o. Sarajevo (Bosnia and Herzegovina) Vorarlberger Kraftwerke AG (Austria) Vores Elnet A/S (Denmark) VVS (Slovakia) Vychodoslovenska distribucna a.s. (Slovakia) WATT+VOLT S.A. (Greece) Wels Strom GmbH (Austria) Wien Energie GmbH (Austria) Wiener Netze GmbH (Austria) Wiener Stadtwerke GmbH (Austria) Wuppertaler Stadtwerke (Germany) Yesilirmak Electricity Distribution System Operator (Turkey) Západoslovenská distribučná, a.s. (Slovakia) Zeanet A/S (Denmark) Zimbabwe Electricity Supply Authority (Zimbabwe)