| TotalEnergies SE | 170 | 104 | €3.0M/yr |
| FuelsEurope | 157 | 95 | €4.5M/yr |
| Eurelectric aisbl | 137 | 55 | €200,000/yr |
| EPIA SolarPower Europe | 109 | 59 | €800,000/yr |
| Hydrogen Europe | 108 | 49 | €4.5M/yr |
| Verband Kommunaler Unternehmen e.V. | 107 | 32 | €200,000/yr |
| ExxonMobil Petroleum & Chemical | 100 | 59 | €4.0M/yr |
| Eni S.p.A. | 97 | 60 | €1.2M/yr |
| WindEurope | 97 | 56 | €3.0M/yr |
| BDEW Bundesverband der Energie- und Wasserwirtschaft e. V. | 92 | 20 | €3.5M/yr |
| ELECTRICITE DE FRANCE | 92 | 37 | €2.0M/yr |
| Acea S.p.A. | 91 | 55 | €100,000/yr |
| EnBW Energie Baden-Württemberg AG | 85 | 20 | €1.2M/yr |
| ENEL SpA | 76 | 45 | €1.2M/yr |
| ENGIE | 73 | 32 | €2.0M/yr |
| Finnish Energy - Energiateollisuus ry | 68 | 17 | €500,000/yr |
| newcleo | 68 | 48 | €50,000/yr |
| Neste Oyj | 65 | 38 | €700,000/yr |
| European Biogas Association | 64 | 49 | €2.8M/yr |
| E.ON SE | 62 | 24 | €2.5M/yr |
| Vattenfall | 61 | 26 | €600,000/yr |
| WIENER STADTWERKE GmbH | 59 | 20 | €300,000/yr |
| Fortum Oyj | 58 | 29 | €600,000/yr |
| eFuel Alliance | 56 | 31 | €600,000/yr |
| EUROGAS | 55 | 31 | €700,000/yr |
| Uniper | 55 | 16 | €900,000/yr |
| RWE AG | 51 | 17 | €1.8M/yr |
| Bioenergy Europe | 50 | 41 | €300,000/yr |
| Ørsted A/S | 50 | 20 | €300,000/yr |
| European Forum for Renewable Energy Sources | 48 | 12 | not declared |
| Repsol, S.A. | 48 | 36 | €800,000/yr |
| Shell Companies | 48 | 33 | €4.5M/yr |
| Edison Spa | 47 | 26 | €300,000/yr |
| European Energy Forum | 47 | 13 | not declared |
| Green Power Denmark | 47 | 13 | €500,000/yr |
| A2A | 46 | 22 | €700,000/yr |
| European Heat Pump Association | 46 | 29 | €800,000/yr |
| European Network of Transmission System Operators for Electricity | 45 | 28 | €800,000/yr |
| International Association of Oil & Gas Producers Europe | 45 | 27 | €1.0M/yr |
| IBERDROLA | 44 | 22 | €400,000/yr |
| TransnetBW GmbH | 44 | 12 | €200,000/yr |
| PGE Polska Grupa Energetyczna SA | 43 | 23 | €300,000/yr |
| SYNERGI | 43 | 20 | €100,000/yr |
| Terna spa | 41 | 28 | €500,000/yr |
| smartEn Smart Energy Europe | 41 | 25 | €600,000/yr |
| Siemens Energy AG | 40 | 26 | €2.0M/yr |
| Energiföretagen / Swedenergy | 38 | 12 | €200,000/yr |
| European Biodiesel Board | 38 | 30 | €100,000/yr |
| Orano | 37 | 22 | €600,000/yr |
| Carbon Capture & Storage Association | 35 | 21 | €600,000/yr |
| Forum Atomique Européen | 35 | 24 | €300,000/yr |
| ENEDIS | 34 | 20 | €700,000/yr |
| Euroheat and Power | 34 | 20 | €700,000/yr |
| Liquid Gas Europe | 33 | 26 | €300,000/yr |
| MOL Hungarian Oil and Gas Company | 33 | 19 | €900,000/yr |
| REScoop.eu vzw | 31 | 20 | not declared |
| TenneT Holding B.V. | 31 | 12 | €700,000/yr |
| Veolia Environnement | 31 | 25 | €1.0M/yr |
| Efficient Buildings Europe | 30 | 24 | €700,000/yr |
| Gas Infrastructure Europe | 30 | 19 | €100,000/yr |
| Urenco | 30 | 23 | €10,000/yr |
| Solar Heat Europe | 29 | 20 | €50,000/yr |
| EU DSO Entity | 28 | 14 | €50,000/yr |
| RTE Réseau de transport d'électricité | 28 | 13 | €300,000/yr |
| European Solar Manufacturing Council | 27 | 21 | €50,000/yr |
| VERBUND AG | 27 | 10 | €400,000/yr |
| European Alliance to Save Energy | 26 | 17 | €100,000/yr |
| GE Vernova | 26 | 19 | €500,000/yr |
| Vestas Wind Systems A/S | 26 | 21 | €100,000/yr |
| Axpo Holding AG | 25 | 8 | €400,000/yr |
| European Geothermal Energy Council | 25 | 15 | €200,000/yr |
| Ocean Energy Europe | 25 | 22 | €200,000/yr |
| Offshore Norge | 24 | 20 | €200,000/yr |
| Österreichs E-Wirtschaft | 24 | 8 | €500,000/yr |
| Fastned BV | 23 | 22 | €100,000/yr |
| Fornybar Norge (Renewables Norway) | 23 | 17 | €100,000/yr |
| Gas Distributors for Sustainability | 23 | 16 | €10,000/yr |
| The Coalition for Energy Savings | 23 | 16 | €200,000/yr |
| 50Hertz Transmission GmbH | 22 | 9 | €200,000/yr |
| European Federation of Local and Regional Energy Companies | 22 | 11 | €600,000/yr |
| Stadtwerke München GmbH | 22 | 12 | €200,000/yr |
| VNG AG | 22 | 6 | €100,000/yr |
| Equinor ASA | 21 | 20 | €2.5M/yr |
| Europex - Association of European Energy Exchanges | 21 | 8 | €700,000/yr |
| Fusion Industry Association | 21 | 13 | €100,000/yr |
| Pohjolan Voima Oyj | 21 | 13 | €50,000/yr |
| CEZ, a.s. | 20 | 13 | €400,000/yr |
| Elia Transmission Belgium | 20 | 12 | €200,000/yr |
| Gasgrid Finland Oy | 20 | 17 | €50,000/yr |
| Hitachi Energy | 20 | 16 | €1.0M/yr |
| KIC InnoEnergy SE | 20 | 8 | €500,000/yr |
| European Producers Union of Renewable Ethanol | 19 | 16 | €400,000/yr |
| Teollisuuden Voima Oyj | 19 | 8 | €100,000/yr |
| Verband der Deutschen Biokraftstoffindustrie | 19 | 10 | €200,000/yr |
| EWE Aktiengesellschaft | 18 | 10 | €300,000/yr |
| STEAG GmbH | 18 | 9 | €50,000/yr |
| Snam S.p.A. | 18 | 16 | €200,000/yr |
| NATURGY ENERGY GROUP | 17 | 9 | €100,000/yr |
| Space Exploration Technologies Corp. | 17 | 11 | €100,000/yr |
| Energy Storage Europe | 16 | 13 | €500,000/yr |
| Innargi A/S | 16 | 11 | €10,000/yr |
| KEMIJOKI OY | 16 | 10 | €100,000/yr |
| ORLEN S.A. | 16 | 11 | €2.2M/yr |
| The European Association for the Promotion of Cogeneration | 16 | 14 | €100,000/yr |
| Thüga Aktiengesellschaft | 16 | 4 | €50,000/yr |
| European Energy Exchange AG | 15 | 7 | €600,000/yr |
| European Network of Transmission System Operators for Gas | 15 | 7 | €100,000/yr |
| Stichting European Federation of Energy Traders (We operate under the name Energy Traders Europe) | 15 | 12 | €1.2M/yr |
| UNION FRANCAISE DE L'ELECTRICITE - UFE | 15 | 10 | €200,000/yr |
| Bundesverband WindEnergie e.V. | 14 | 10 | €100,000/yr |
| CO2 Value Europe AISBL | 14 | 11 | €100,000/yr |
| Deutsche Unternehmensinitiative Energieeffizienz e.V. | 14 | 4 | not declared |
| E.DSO - European Distribution System Operators AISBL | 14 | 9 | €300,000/yr |
| Equilibre des Energies | 14 | 10 | €100,000/yr |
| Fluxys SA | 14 | 8 | €100,000/yr |
| Infinium Operations, LLC | 14 | 12 | €200,000/yr |
| Moeve | 14 | 13 | €400,000/yr |
| Techem Energy Services GmbH | 14 | 7 | €200,000/yr |
| Vantaan Energia | 14 | 9 | €50,000/yr |
| Wind Energy Ireland | 14 | 9 | €10,000/yr |
| Breakthrough Energy | 13 | 10 | €100,000/yr |
| Energinet | 13 | 6 | not declared |
| N.V. Nederlandse Gasunie | 13 | 6 | €200,000/yr |
| OMV Aktiengesellschaft | 13 | 10 | €400,000/yr |
| Open Grid Europe GmbH | 13 | 5 | €500,000/yr |
| GASCADE Gastransport GmbH | 12 | 5 | €200,000/yr |
| Northvolt | 12 | 12 | €100,000/yr |
| ROCKWOOL A/S | 12 | 8 | €50,000/yr |
| Stockholm Exergi | 12 | 8 | €100,000/yr |
| UNITI Bundesverband EnergieMittelstand e.V. | 12 | 7 | €400,000/yr |
| Westenergy Oy | 12 | 10 | €50,000/yr |
| Baker Hughes Holdings | 11 | 9 | €500,000/yr |
| European Renewable Energies Federation asbl | 11 | 7 | €200,000/yr |
| Gas Grid Group AISBL | 11 | 4 | €500,000/yr |
| Meliore Foundation | 11 | 7 | not declared |
| Primagaz | 11 | 11 | €10,000/yr |
| Schaeffler AG | 11 | 9 | €100,000/yr |
| Amprion GmbH | 10 | 3 | €500,000/yr |
| Carbon Capture & Storage Europe | 10 | 10 | €300,000/yr |
| Caruna Networks Oy | 10 | 9 | €50,000/yr |
| National Grid Commercial Holdings Limited | 10 | 8 | €300,000/yr |
| Notre Affaire à Tous | 10 | 2 | not declared |
| Razom We Stand | 10 | 7 | not declared |
| SolarEdge Technologies Inc | 10 | 9 | €50,000/yr |
| Statkraft AS | 10 | 10 | €50,000/yr |
| Steady Energy | 10 | 9 | €100,000/yr |
| Vulcan Energie Ressourcen | 10 | 9 | €100,000/yr |
| Wirtschaftsverband Fuels und Energie e. V. | 10 | 9 | €50,000/yr |
| Drax Group plc | 9 | 9 | €900,000/yr |
| Energy Cities | 9 | 9 | €100,000/yr |
| Fingrid Oyj | 9 | 6 | €50,000/yr |
| Fossil Free Politics | 9 | 6 | not declared |
| France Hydrogène | 9 | 5 | €300,000/yr |
| GAZ-SYSTEM S.A. | 9 | 6 | €100,000/yr |
| GEODE - The voice of local energy distributors across Europe | 9 | 9 | €700,000/yr |
| Gasum Plc | 9 | 8 | €10,000/yr |
| Italgas | 9 | 9 | €100,000/yr |
| Marvel Fusion GmbH | 9 | 7 | €50,000/yr |
| PHINIA | 9 | 9 | €100,000/yr |
| Polish Electricity Association | 9 | 9 | €500,000/yr |
| Power2X B.V. | 9 | 8 | €25,000/yr |
| Bundesverband der Deutschen Heizungsindustrie e.V. | 8 | 7 | €100,000/yr |
| DCC Energy Ltd | 8 | 7 | €100,000/yr |
| EUTurbines | 8 | 6 | €300,000/yr |
| First Solar GmbH | 8 | 7 | €300,000/yr |
| National Energy System Operator | 8 | 8 | €10,000/yr |
| Nordenergi | 8 | 7 | €25,000/yr |
| SOLAR IMPULSE FOUNDATION | 8 | 4 | not declared |
| Technip Energies | 8 | 5 | €300,000/yr |
| WE WORLD – G.V.C. | 8 | 8 | not declared |
| Albioma | 7 | 5 | €25,000/yr |
| Asociacion Española del Hidrogeno | 7 | 5 | €25,000/yr |
| EirGrid Group plc | 7 | 3 | €100,000/yr |
| Gas Networks Ireland | 7 | 6 | €100,000/yr |
| GravitHy | 7 | 6 | €50,000/yr |
| Groupement des Industriels Français de l'Energie Nucléaire | 7 | 4 | €100,000/yr |
| HEXANA | 7 | 5 | €10,000/yr |
| LG Energy Solution | 7 | 6 | €50,000/yr |
| Offshore Wind Foundations Alliance | 7 | 6 | €100,000/yr |
| PPC - Public Power Corporation | 7 | 4 | €400,000/yr |
| SSE | 7 | 3 | €100,000/yr |
| Solar Foods Oy | 7 | 5 | €10,000/yr |
| Sunfire GmbH | 7 | 7 | €100,000/yr |
| Sympower B.V. | 7 | 5 | €100,000/yr |
| Verso Energy | 7 | 6 | €50,000/yr |
| Association Wind Ship | 6 | 3 | €25,000/yr |
| Associazione fra le società italiane per azioni | 6 | 6 | €100,000/yr |
| Calogena | 6 | 6 | €10,000/yr |
| EEW Energy from Waste GmbH | 6 | 5 | €50,000/yr |
| EUGINE - European Engine Power Plants Association | 6 | 4 | €200,000/yr |
| EVN AG | 6 | 3 | €100,000/yr |
| Electrolysers for Europe | 6 | 5 | not declared |
| EuropeOn | 6 | 4 | €100,000/yr |
| European Association for Coal and Lignite | 6 | 5 | €100,000/yr |
| Everllence SE | 6 | 6 | €25,000/yr |
| FEDERATIA PATRONALA A ENERGIEI | 6 | 6 | €10,000/yr |
| Lightsource bp | 6 | 6 | €50,000/yr |
| NAAREA | 6 | 3 | €25,000/yr |
| SOLAR MATERIALS GmbH | 6 | 6 | €50,000/yr |
| SQM Europe N.V. | 6 | 6 | €400,000/yr |
| Symbio SAS | 6 | 4 | €25,000/yr |
| The Regulatory Assistance Project | 6 | 6 | not declared |
| Bioenergia ry - Bioenergy Association of Finland | 5 | 4 | €900,000/yr |
| Business Bridge Europe | 5 | 5 | €900,000/yr |
| Electricity Supply Board | 5 | 3 | €10,000/yr |
| Elettricità Futura | 5 | 3 | €400,000/yr |
| Energy Efficiency for Europe | 5 | 4 | €200,000/yr |
| Enpal B.V. | 5 | 5 | €50,000/yr |
| Form Energy, Inc. | 5 | 4 | €100,000/yr |
| Iridium Communications Inc. | 5 | 4 | €50,000/yr |
| Kingspan Group PLC | 5 | 5 | €50,000/yr |
| MVM Energetika Ltd. | 5 | 3 | €100,000/yr |
| MVV Energie AG | 5 | 2 | €25,000/yr |
| Nadara | 5 | 5 | €25,000/yr |
| Nordex SE | 5 | 5 | €300,000/yr |
| Novatron Fusion Group AB | 5 | 3 | €200,000/yr |
| Octopus Energy | 5 | 5 | €100,000/yr |
| Proxima Fusion | 5 | 3 | €100,000/yr |
| ReCommon ETS | 5 | 4 | not declared |
| Renewables Grid Initiative e.V. | 5 | 4 | not declared |
| Resource Justice Network | 5 | 5 | not declared |
| Sonnedix Power Holdings Ltd | 5 | 5 | €50,000/yr |
| Suomen sähkönkäyttäjät ry (Association of Energy Users in Finland) | 5 | 3 | €100,000/yr |
| The European Liquid Heating Fuels Association | 5 | 5 | €100,000/yr |
| The Voice of Europe's Independent Energy and Mobility Suppliers | 5 | 4 | €300,000/yr |
| TotalEnergies Corbion B.V. | 5 | 5 | €50,000/yr |
| Tree Energy Solutions BV | 5 | 4 | €25,000/yr |
| Trianel GmbH | 5 | 4 | €50,000/yr |
| Utilitalia, Imprese Acqua Ambiente Energia | 5 | 4 | €300,000/yr |
| Vlaams - Europees verbindingsagentschap | 5 | 3 | not declared |
| Airborne Wind Europe | 4 | 4 | €200,000/yr |
| Alfa Laval Corporate AB | 4 | 3 | €10,000/yr |
| Alquion | 4 | 2 | €10,000/yr |
| Arcadium Lithium PLC | 4 | 4 | €100,000/yr |
| Associazione Nazionale Industriali Gas | 4 | 2 | €50,000/yr |
| BP p.l.c. | 4 | 4 | €2.0M/yr |
| Carbo Culture | 4 | 4 | €25,000/yr |
| Czech Hydrogen Technology Platform | 4 | 2 | €50,000/yr |
| DR4EU | 4 | 4 | €25,000/yr |
| Die Gas- und Wasserstoffwirtschaft e.V. | 4 | 2 | €10,000/yr |
| EUROPA-LINK Development GmbH | 4 | 3 | €10,000/yr |
| EWABA | 4 | 4 | €500,000/yr |
| Energy Drinks Europe | 4 | 4 | €25,000/yr |
| Energy Storage Coalition | 4 | 4 | not declared |
| European Association for Energy and Water Data Management | 4 | 1 | €500,000/yr |
| European Federation of Agencies and Regions for Energy and Environment | 4 | 4 | €50,000/yr |
| European Fusion Association | 4 | 3 | €50,000/yr |
| Istituto Nazionale di Fisica Nucleare | 4 | 3 | not declared |
| MB Energy Holding GmbH & Co.KG | 4 | 3 | €50,000/yr |
| Ming Yang European Business & Engineering Center GmbH | 4 | 4 | €100,000/yr |
| NRW.Energy4Climate GmbH | 4 | 3 | not declared |
| Nel Hydrogen | 4 | 4 | €200,000/yr |
| Novana Oy | 4 | 4 | €10,000/yr |
| Oxford PV Germany GmbH | 4 | 3 | €100,000/yr |
| RECS Energy Certificate Association | 4 | 4 | €200,000/yr |
| Raízen SA | 4 | 4 | €100,000/yr |
| Redeia | 4 | 4 | €50,000/yr |
| Roundtable on Sustainable Palm Oil | 4 | 3 | €25,000/yr |
| Stichting European Initiative for Energy Security | 4 | 4 | not declared |
| Sungrow Power Supply co. ltd | 4 | 3 | €600,000/yr |
| UGI International Holdings BV | 4 | 4 | €50,000/yr |
| ČEPS, a.s. | 4 | 3 | €25,000/yr |
| AGC Glass Europe | 3 | 2 | €100,000/yr |
| Brintbranchen / Hydrogen Denmark | 3 | 3 | €25,000/yr |
| ConocoPhillips | 3 | 3 | €700,000/yr |
| Dansk Offshore | 3 | 2 | €10,000/yr |
| EVRYO ROMANIA | 3 | 1 | €25,000/yr |
| Energiakaupungit ry | 3 | 3 | €10,000/yr |
| Energiedialog 2050 | 3 | 1 | not declared |
| European Energy A/S | 3 | 2 | €10,000/yr |
| European Network of Network Operators for Hydrogen (ENNOH) | 3 | 3 | not declared |
| Floene Energias S.A. | 3 | 2 | €100,000/yr |
| GALP ENERGIA SGPS, SA | 3 | 3 | €50,000/yr |
| GasNet, s.r.o. | 3 | 3 | €50,000/yr |
| McPhy Energy S.A. | 3 | 2 | €10,000/yr |
| OG Clean Fuels B.V. | 3 | 3 | €100,000/yr |
| Paikallisvoima ry | 3 | 2 | €100,000/yr |
| SMA Solar Technology AG | 3 | 3 | €100,000/yr |
| SOLARWATT | 3 | 3 | €50,000/yr |
| TERNA ENERGY SOCIETE ANONYME | 3 | 3 | €200,000/yr |
| Turboden | 3 | 2 | €100,000/yr |
| bayernets GmbH | 3 | 2 | €100,000/yr |