| EIV | Energieinstitut Vorarlberg | In German | → Energy economics |
| ElWG | Elektrizitätswesengesetz | In German | → Energy economics → Electrical engineering |
| EM&P | Energétique, Matériaux & Procédés | In French | → Materials science → Energy economics |
| EMCEF | European Mine Chemical and Energy Workers Federation | In English | → Organizations and associations → Labour, labour economics → Energy economics → Mining |
| EMPA | Eidgenössische Materialprüfungs- und Forschungsanstalt | In German | → Materials science |
| EMPS | Electric Machines and Power Systems | In English | → Serial publications, periodicals → Energy economics → Electrical engineering |
| EnAt | Energia és Atomtechnika | In Hungarian | → Serial publications, periodicals → Energy economics → Nuclear technology |
| EnBW | Energie Baden-Württemberg (www.enbw.com) | In German | → Energy economics → Electrical engineering |
| EnC | Energy Conversion | In English | → Serial publications, periodicals → Energy economics |
| ENECO | ENergie En COmmunicatie | In Dutch | → Energy economics |
| ENERBAT | ÉNERgie dans les BÂtiments et les Territoires | In French | → Energy economics → Electrical engineering → Building |
| ENERTHY | Énergies Nouvelles et Renouvelables, Thermique, HYdraulique | In French | → Energy economics → Electrical engineering |
| ENR | Énergie renouvelable | In French | → Energy economics |
| EnS | Energy Sources | In English | → Serial publications, periodicals → Energy economics |
| ENSO | Energie Sachsen Ost GmbH (www.enso.de) | In German | → Energy economics |
| EnTR | Energy Technology Review | In English | → Serial publications, periodicals → Energy economics |
| EPA | EnergiePrestatieAdvies | In Dutch | → Energy economics |
| EPE | Étude de Planification Énergétique | In French | → Energy economics |
| EPIA | European Photovoltaic Industry Association | In English | → Associations → Energy economics → Electrical engineering |
| EPSMA | European Power Supply Manufacturers Association | In English | → Organizations and associations → Energy economics → Electrical engineering |
| EPTA | European Power Tool Association | In English | → Organizations and associations → Energy economics |
| ERG | Energy Research Group | In English | → Energy economics |
| ERP | Elevator Reference Plane | In English | → 62073 |
| ERTG | Economic Radioisotope Thermoelectric Generator | In English | → Energy economics → Nuclear technology → Electrical engineering |
| ESI | Erich-Schmid-Institut für Materialwissenschaft (www.oeaw.ac.at/esi/) | In German | → Research institutes → Materials science |
| ESM | Energy Storage Module | In English | → Energy economics |
| ESP | Énergie et Systèmes de Propulsion | In French | → Energy economics → Vehicle engineering |
| ESPC | European Space Power Conference | In English | → Energy economics → Spaceflight engineering, astronautics |
| ESS | Energy Storage Subsystem | In English | → Energy economics |
| EST | Energy Saving Trust | In English | → Energy economics |
| ESTAG | Energie Steiermark AG (www.e-steiermark.com) | In German | → Energy economics |
| ESTIF | European Solar Thermal Industry Federation (www.estif.org) | In English | → Organizations and associations → Energy economics |
| ESTTP | European Solar Thermal Technology Platform = ESTTP | Europäische Solarthermie-Technologieplattform | In German |
In English | → Energy economics |
| ESTTP | Europäische Solarthermie-Technologieplattform = (look above) |
In German | → Energy economics |
| ESV | Energiesparverband | In German | → Organizations and associations → Energy economics |
| ETI | Energy Technology Initiative | In English | → Energy economics |
| ETS | Energy Transfer System | In English | → Energy economics |
| EuroACE | European Alliance of Companies for Energy Efficiency in Buildings | In English | → Organizations and associations → Energy economics → Building |
| EVE | Ente Vasco de la Energía (www.eve.es) | In Spanish | → Energy economics |
| EVI-GTI | The European Virtual Institute for Gas Turbine Instrumentation | In English | → Energy economics → Mechanical engineering |
| EWG | Energy Working Group | In English | → Organizations and associations → Energy economics → International relations |
| FAEN | Fundación Asturiana de la Energía | In Spanish | → Foundations → Energy economics |
| FCE | Fédération Chimie Énergie | In French | → Organizations and associations → Labour, labour economics → Energy economics → Chemical technology |
| FHYM | Forces Hydrauliques de Meuse | In French | → Energy economics |
| FITCO | Fuel International Trading Corporation | In English | → Energy economics |
| FizKO | Fizika i Khimiia Obrabotki Materialov = FizKO | Физика и химия обработки материалов | In Russian |
In Russian | → Serial publications, periodicals → Physics → Chemistry → 62039 |
| FizKO | Физика и химия обработки материалов = (look above) |
In Russian | → Serial publications, periodicals → Physics → Chemistry → 62039 |
| FNME | Fédération Nationale des Mines et de l'Énergie | In French | → Organizations and associations → Energy economics → Mining |
| FNR | Fachagentur Nachwachsende Rohstoffe | In German | → Municipal administration → Agricultural sciences → Energy economics |
| FOM | (Stichting voor) Fundamenteel Onderzoek der Materie | In Dutch | → Foundations → Materials science |
| FR2E | Formation Recherche Études Énergie | In French | → Education → Energy economics |
| FST | Fullerene Science and Technology | In English | → Serial publications, periodicals → Physics → Materials science |
| GDF | Gaz de France (www.gazdefrance.com) | In French | → Energy economics |
| GEA | Grazer Energieagentur | In German | → Energy economics |
| GEAL | Galway Energy Agency Limited | In English | → Energy economics |
| GEH | Groupe d’Exploitation Hydraulique | In French | → Energy economics |
| GEM | Greenstar Energy Management | In English | → Energy economics |
| GEMS | General Energy Management System | In English | → Energy economics |
| Geoth | Geothermics | In English | → Serial publications, periodicals → Earth sciences → Energy economics |
| GFESS | Gaz de France Energy Supply & Solutions | In French | → Energy economics |
| GFSA | Global Forum on Sustainable Energy | In English | → Energy economics |
| GLNR | Gaz Liivré Non Relevé | In French | → Energy economics |
| GNL | Gaz Naturel Liquefié | In French | → Energy economics → Chemical technology |
| GNV | Gaz Naturel Véhicule | In French | → Energy economics → Vehicle engineering |
| GPL | Gaz Pétrole Liquéfié | In French | → Energy economics → Chemical technology |
| GSO | Gaz du Sud-Ouest | In French | → Energy economics |
| GTE | Génie Thermique et Énergie | In French | → Thermodynamics → Energy economics |
| GVS | Gazversorgung Süddeutschland (www.gvs-erdgas.de) | In German | → Energy economics |
| HESC | Hemispheric Energy Steering Committee = CDEH | Comité Directivo para la Energía del Hemisferio | In Spanish = CDEH | Comité Directeur pour l'Énergie dans l'Hémisphère | In French = CDEH | Comitê Diretor para a Energia do Hemisfério | In Portuguese |
In English | → International economic cooperation → Energy economics |
| HFCV | Hydrogen Fuel Cell Vehicle | In English | → Energy economics → Automobile manufacturing |
| HFP | Hydrogen and Fuel Cell Platform (www.hfpeurope.org) | In English | → Organizations and associations → Energy economics |
| HPP | High Performance Polymers | In English | → Serial publications, periodicals → Materials science → 620039 |
| IAAE | Internacia Agentejo pri Atom-Energio (www.iaea.org) = IAEA | International Atomic Energy Agency | In English = AIEA | Agence Internationale de l'Énergie Atomique | In French = AIEA | Agenţia Internaţională pentru Energie Atomică | In Romanian = МААЕ | Международна агенция за атомна енергия | In Bulgarian = AIEA | Agència Internacional de l'Energia Atòmica | In Catalan = MAAE | Mezinárodní agentura pro atomovou energii | In Czech = IAEA | Det Internationale Atomenergiagentur | In Danish = IAEO | Internationale Atomenergieorganisation | In German = OIEA | Organismo Internacional de Energía Atómica | In Spanish = סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית | In Hebrew = IAEA | International Atomenergie Agence | In Letzeburgesh = AIEA | Agenzia Internazionale per l'Energia Atomica | In Italian = IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण | In Hindi = MAAE | Меѓународна агенција за атомска енергија | In Macedonian = МАГАТЭ | Международное агентство по атомной энергии | In Russian = AIEA | Agência Internacional de Energia Atómica | In Portuguese = MAEA | Międzynarodowa Agencja Energii Atomowej | In Polish = МАГАТЕ | Міжнародне агентство з атомної енергії | In Ukrainian = UAEA | Uluslararası Atom Enerji Ajansı | In Turkish = IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ | In Thai = EANA | Energia Atomikoaren Nazioarteko Agentzia | In Basque |
In Esperanto | → International relations → Energy economics → Nuclear technology |
| IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Thai | → International relations → Energy economics → Nuclear technology |
| IAEA | International Atomenergie Agence (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Letzeburgesh | → International relations → Energy economics → Nuclear technology |
| IAEA | Det Internationale Atomenergiagentur (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Danish | → International relations → Energy economics → Nuclear technology |
| IAEA | International Atomic Energy Agency (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In English | → International relations → Energy economics → Nuclear technology |
| IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण (www.iaea.org) = IAAE, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Hindi | → International relations → Energy economics → Nuclear technology |
| IAEO | Internationale Atomenergieorganisation (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, MAAE, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In German | → International relations → Energy economics → Nuclear technology |
| ICMAB | Instituto de Ciencia de Materiales de Barcelona (www.icmab.es) | In Spanish | → Research institutes → Materials science |
| ICMS | Ingénierie et Contrôle des Matériaux et des Structures | In French | → Materials science → Mechanical engineering |
| ICTAF | Interdisciplinary Center for Technological Analysis & Forecast | In English | → Energy economics |
| IDAE | Instituto para la Diversificación y Ahorro de la Energía | In Spanish | → Energy economics |
| IEA | 国際エネルギー機関 = AIE | Agence Internationale de l'Énergie | In French = IEA | International Energy Agency | In English = IEA | Internationale Energieagentur | In German = МЭА | Международное энергетическое агентство | In Russian = MAE | Międzynarodowa Agencja Energii[edytuj] | In Polish = IEA | Internationaal Energie Agentschap | In Dutch = AIE | Agencia Internacional de la Energía | In Spanish |
In Japanese | → International relations → Energy economics |
| IEA | International Energy Agency = AIE, МЭА, MAE (look above) |
In English | → International relations → Energy economics |
| IEA | Internationaal Energie Agentschap = AIE, МЭА, MAE (look above) |
In Dutch | → International relations → Energy economics |
| IEA | Internationale Energieagentur = AIE, МЭА, MAE (look above) |
In German | → International relations → Energy economics |
| IED | Innovation Énergie Développement | In French | → Energy economics |
| IEE | Intelligente Energie Europa = IEE | Intelligent Energy Europe | In English |
In German | → Energy economics |
| IEE | Intelligent Energy Europe = (look above) |
In English | → Energy economics |
| IEF | International Energy Foundation | In English | → Foundations → Energy economics |
| IEMW | Institut für Industrielle Elektronik und Materialwissenschaften (www.iemw.tuwien.ac.at) | In German | → Materials science → Electronics |
| IER | Institute of Energy Economics and the Rational Use of Energy | In English | → Energy economics |
| IESD | Institute of Energy and Sustainable Development | In English | → Energy economics |
| IFEU | Institut für Energie und Umweltforschung | In German | → Energy economics |
| IFFI | Institut Français du Froid Industriel et du génie climatique | In French | → Energy economics → Environmental technology, water supply, waste management |
| IGU | International Gas Union | In English | → Organizations and associations → Energy economics |
| IJER | International Journal of Energy Research | In English | → Serial publications, periodicals → Energy economics |
| IJFa | International Journal of Fatigue | In English | → Serial publications, periodicals → Materials science |
| IJFE | International Journal of Fusion Energy | In English | → Serial publications, periodicals → Energy economics → Nuclear technology |
| IJFr | International Journal of Fracture | In English | → Serial publications, periodicals → Materials science |
| IJHE | International Journal of Hydrogen Energy | In English | → Serial publications, periodicals → Energy economics |
| IJSE | International Journal of Solar Energy | In English | → Serial publications, periodicals → Energy economics |
| IMP/LMM | Ingénierie des Matériaux Polymères/ Laboratoire Matériaux Macromoléculaires | In French | → Research institutes → Materials science → Plastic industry |
| IMRv | International Materials Reviews | In English | → Serial publications, periodicals → Materials science |
| INCASOL | Institut Català del Sòl | In Spanish | → Astronomy → Energy economics |
| INEGA | Instituto Enerxético de Galicia | In Spanish | → Energy economics |
| INESTENE | INstitut d'Évaluation des STratégies ENergétiques Européennes | In French | → 6208 |
| IPE-LAS | Institute of Physical Energetics - Latvian Academy of Sciences | In English | → Optics → Energy economics |
| IRE | Institutul Naţional Român pentru Studiul Amenajării şi Folosirii Surselor de Energie | In Romanian | → Organizations and associations → Energy economics |
| ISE | Iniziative Sviluppo Energie | In Italian | → Energy economics |
| ISEO | International Sustainable Energy Organisation | In English | → Energy economics |
| ISES | International Solar Energy Society | In English | → Energy economics |
| ISET | Institut für Solare Energieversorgungstechnik | In German | → Energy economics |
| ISUSI | Institute for Sustainable Solutions and Innovations | In English | → Energy economics |
| ITCAD | IEEE (Institute of Electrical and Electronics Engineers) Transactions on Computer Aided Design | In English | → Serial publications, periodicals → Computer-based techniques → 62001 |
| ITEnC | IEEE (Institute of Electrical and Electronics Engineers) Transactions on Energy Conversion | In English | → Serial publications, periodicals → Energy economics |
| ITER | Instituto Tecnológico y de Energías Renovables | In Spanish | → Energy economics |
| IWP | Independent Water and Power Production | In English | → Energy economics → Electrical engineering |
| IZES | Institut für ZukunftsEnergieSysteme | In German | → Energy economics |
| JAEA | Japan Atomic Energy Agency (www.jaea.go.jp) | In English | → 53912 → Energy economics → Nuclear technology |
| JAEIC | Joint Atomic Energy Intelligence Committee | In English | → Energy economics → Nuclear technology |
| JCAMD | Journal of Computer-Aided Materials Design | In English | → Serial publications, periodicals → Graphical processing → Materials science |
| JCoMa | Journal of Composite Materials | In English | → Serial publications, periodicals → Materials science |
| JCTR | Journal of Composites and Technology Research | In English | → Serial publications, periodicals → Materials science |
| JEner | Journal of Energy | In English | → Serial publications, periodicals → Energy economics |
| JIMSS | Journal of Intelligent Material Systems and Structures | In English | → Serial publications, periodicals → Materials science |
| JMatR | Journal of Materials Research | In English | → Serial publications, periodicals → Materials science |
| JMatS | Journal of Materials Science | In English | → Serial publications, periodicals → Materials science |
| JMBM | Journal of Mechanical Behavior and Materials | In English | → Serial publications, periodicals → Materials science → Mechanical engineering |
| JMES | Journal of Materials and Energy Systems | In English | → Serial publications, periodicals → Materials science → Energy economics |
| JMPMS | Journal of Materials Processing and Manufacturing Science | In English | → Serial publications, periodicals → Materials science |
| JMSL | Journal of Materials Science Letters | In English | → Serial publications, periodicals → Materials science |
| JMSME | Journal of Materials Science and Materials Electronics | In English | → Serial publications, periodicals → Materials science → Electronics |
| JMSMM | Journal of Materials Science: Materials in Medicine | In English | → Serial publications, periodicals → Medicine → Materials science |
| JMSP | Journal of Materials Synthesis and Processing | In English | → Serial publications, periodicals → Materials science |
| JNOPM | Journal of Nonlinear Optical Physics and Materials | In English | → Serial publications, periodicals → Optics → Materials science |
| JNR | Journal of Nanoparticle Research | In English | → Serial publications, periodicals → Materials science |
| JNuM | Journal of Nuclear Materials | In English | → Serial publications, periodicals → Nuclei → Materials science → Engineering, technology |
| JPMat | Journal of Porous Materials | In English | → Serial publications, periodicals → Materials science |
| JPS | Journal of Power Sources | In English | → Serial publications, periodicals → Energy economics |
| JSCMJ | Japan Society of Composite Materials Journal | In English | → Serial publications, periodicals → Materials science |
| JSMSJ | Japan Society of Materials Science Journal | In English | → Serial publications, periodicals → Materials science |
| KAPE | Krajowa Agencja Poszanowania Energii | In Polish | → Energy economics |
| KAΠE | Κέντρο Ανανεώσιμων Πηγών Ενέργειας = CRES | Center for Renewable Energy Sources | In English |
In Greek | → Research institutes → Energy economics |
| KEA | Klimaschutz- und Energieagentur | In German | → Meteorology, climatology → Energy economics |
| KIM | Korean Institute of Metals and Materials (www.kim.or.kr) | In English | → Materials science → Metallurgy |
| KIMMJ | Korean Institute of Metals and Materials Journal | In English | → Serial publications, periodicals → Materials science → Metallurgy |
| KliBA | Klimaschutz- und Energie-Beratungsagentur | In German | → Meteorology, climatology → Energy economics |
| KOEF | Korea Energy Forum | In English | → Energy economics |
| KPD | KSC (Kennedy Space Center) Program Directive | In English | → 62078 |
| KREA | Kaunas Regional Energy Agency | In English | → Energy economics |
| LATERE | Loirénergie, Agence Technique pour une Énergie Respectueuse de l'Environnement | In French | → Energy economics |
| LEI | Lithuanian Energy Institute | In English | → Energy economics |
| LETIT | Local Energy Technology Implementation | In English | → Energy economics |
| LIOS | Linzer Institut für Organische Solarzellen = LIOS | Linz Institute for Organic Solarcells | In English |
In German | → Research institutes → Energy economics |
| LIOS | Linz Institute for Organic Solarcells = (look above) |
In English | → Research institutes → Energy economics |
| M3E | Modélisation pour l'Énergie, l'Économie, l'Énvironnement | In French | → Economics → Environment, environmental sciences → Energy economics |
| MAAB | Materials Application Advisory Board | In English | → Materials science |
| MAAE | Mezinárodní agentura pro atomovou energii (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Czech | → International relations → Energy economics → Nuclear technology |
| MAAE | Меѓународна агенција за атомска енергија (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Macedonian | → International relations → Energy economics → Nuclear technology |
| MAB | Materials Applications Board | In English | → Materials science |
| MAB | Materials Advisory Board | In English | → Materials science |
| MAE | Międzynarodowa Agencja Energii[edytuj] = IEA, AIE, МЭА (look above) |
In Polish | → International relations → Energy economics |
| MAEA | Międzynarodowa Agencja Energii Atomowej (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, OIEA, סבא"א, МАГАТЭ, МАГАТЕ, UAEA, EANA (look above) |
In Polish | → International relations → Energy economics → Nuclear technology |
| MAES | Malopolska Agencja Energii i Srodowiska | In Polish | → Energy economics |
| MaRBu | Materials Research Bulletin | In English | → Serial publications, periodicals → Materials science |
| MatEv | Materials Evaluation | In English | → Serial publications, periodicals → Materials science |
| MatL | Materials Letters | In English | → Serial publications, periodicals → Materials science |
| MatST | Materials Science Technology | In English | → Serial publications, periodicals → Materials science |
| MatTe | Matériaux et Techniques | In French | → Serial publications, periodicals → Materials science |
| MatTr | Materials Transactions | In English | → Serial publications, periodicals → Materials science |
| MCL | Materials Center Leoben (www.mcl.at) | In English | → Research institutes → Materials science |
| MCP | Materials Chemistry and Physics | In English | → Serial publications, periodicals → Physics → Chemistry → Materials science |
| MCVP | Materials Control and Verification Program | In English | → Materials science |
| MDCS | Material Data Collection System | In English | → Data → Materials science |
| MDDS | Material Directory Data Sheet | In English | → Data → Materials science |
| MDE | Maîtrise de la Demande en Électricité | In French | → Energy economics → Electrical engineering |
| MDE | Maîtrise de la Demande d’Énergie | In French | → Energy economics |
| MECO | Mekong Energy Company Limited | In English | → Energy economics → Electrical engineering |
| MEEI | Mechanical Engineering Energy Institute | In English | → Energy economics → Mechanical engineering |
| MEEREA | Malta Energy Efficiency & Renewable Energies Association | In English | → Organizations and associations → Energy economics |
| MEMA | Meath Energy Management Agency | In English | → Energy economics |
| MERL | Materials Engineering Research Laboratory | In English | → Research institutes → Materials science |
| MFPA | Materialforschungs- und Prüfanstalt | In German | → Mathematics and natural sciences → Materials science |
| MIB | Materials and systems Institute of Bordeaux | In English | → Research institutes → Materials science |
| MII | Maisons Individuelles Isolées | In French | → Building → Energy economics |
| MMP | Materials and Manufacturing Processes | In English | → Serial publications, periodicals → Materials science |
| MPS | Materials Processing Science | In English | → Materials science |
| MPS | Material Processing Satellite | In English | → Materials science → Spaceflight engineering, astronautics |
| MPS | Materials Processing In Space | In English | → Materials science → Spaceflight engineering, astronautics |
| MPS&P | Material Processing Specifications and Procedures | In English | → Materials science |
| MS | Material Specification | In English | → Maintenance and logistics → Materials science |
| MSA | Main Bus Solar Array | In English | → Energy economics |
| MSEng | Materials Science and Engineering | In English | → Serial publications, periodicals → Materials science |
| MSF | Materials Science Forum | In English | → Serial publications, periodicals → Materials science |
| MSL | Materials Science Laboratory | In English | → Research institutes → Materials science |
| MSTec | Materials Science and Technology | In English | → Serial publications, periodicals → Materials science |
| MTB | Materials Testing Branch | In English | → Maintenance and logistics → Materials science |
| MUNEE | Municipal Networks for Energy Efficiency | In English | → Public administration, government → Energy economics |
|