| NAPE | Narodowa Agencja Poszanowania Energii | In Polish | → Energy economics |
| NDTE | Nondestructive Testing and Evaluation | In English | → Serial publications, periodicals → Materials science |
| NEDO | New Energy and Industrial Technology Development Organization | In English | → Organizations and associations → Industry, industrial policy → Energy economics |
| NER | Nordic Energy Research (www.nordicenergy.net) | In English | → Energy economics |
| NERSA | National Energy Regulator of South Africa (www.ner.org.za) | In English | → Central administration → Energy economics |
| NICE | Nizhny Novgorod Innovation Center for Energy Saving | In English | → Energy economics |
| NIFES | National Industrial Fuel Efficiency Service | In English | → Energy economics → Vehicle engineering |
| NIMS | National Institute for Materials Science (www.nims.go.jp) | In English | → Research institutes → Materials science |
| NMAB | National Materials Advisory Board | In English | → Organizations and associations → Materials science |
| NREL | National Renewable Energy Laboratory | In English | → Research institutes → Energy economics |
| NTCo | Nondestructive Testing Communications | In English | → Serial publications, periodicals → Materials science |
| NU | Northeast Utilities | In English | → Energy economics |
| NWS | Neckarwerke Stuttgart AG | In German | → Energy economics |
| OGK | Optovaya Giéniérirouyouchtchaya Kompaniya = ОГК | Оптовая генерирующая компания | In Russian |
In Russian | → Energy economics → Electrical engineering |
| OIEA | Organismo Internacional de Energía Atómica (www.iaea.org) = IAAE | Internacia Agentejo pri Atom-Energio | In Esperanto = 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 = 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 Spanish | → International relations → Energy economics → Nuclear technology |
| OMT | Oberflächen- und Materialtechnologie GmbH | In German | → Materials science |
| OptMa | Optical Materials | In English | → Serial publications, periodicals → Optics → Materials science |
| PAC | Pile à combustible | In French | → Energy economics → Electrical engineering |
| PAN-H | Plan d'Action National sur l'Hydrogène et les piles à combustible | In French | → 6208 |
| PAPEETE | Pour Améliorer les Performances Énergétiques ET Environnementales | In French | → Energy economics → Electrical engineering |
| PAZE | Podlaska Agencja Zarzidzania Energii | In Polish | → Energy economics |
| PCM | Photoelectric Cell Module | In English | → Energy economics → Electrical engineering |
| PCS | Power Conversion System | In English | → Energy economics → Electrical engineering |
| PCU | Power Control Unit | In English | → Energy economics |
| PCU | Power Conversion Unit | In English | → Energy economics |
| PCU | Power Conditioning Unit | In English | → Energy economics |
| PCU | Power Condition Unit | In English | → Energy economics |
| PDB | Power Distribution Box | In English | → Energy economics → Electrical engineering |
| PDCS | Power Distribution and Control Subsystem | In English | → Energy economics |
| PDCU | Power Distribution and Control Unit | In English | → Energy economics |
| PDE | Projectbureau Duurzame Energie | In Dutch | → Energy economics |
| PDS | Power Distribution System | In English | → Energy economics |
| PDU | Power Drive Unit | In English | → Energy economics |
| PDUG | Plan de Desserte Urbain Gaz | In French | → Energy economics |
| PE | Primärenergie | In German | → Energy economics |
| PENELOPE | Promoting ENergy Efficiency to Local Organisations through dissemination Partnerships in Europe | In English | → Energy economics |
| PG | Power Generation | In English | → Energy economics → Electrical engineering |
| PGA | Power Generating Assembly | In English | → Energy economics → Electrical engineering |
| PGD&CS | Power Generation, Distribution, and Control Subsystem | In English | → Energy economics → Electrical engineering |
| PGN | Professionnel Gaz Naturel | In French | → Energy economics |
| PGNC | Professionnel Gaz Naturel Confort | In French | → Energy economics |
| PGP | Professionnel Gaz Propane | In French | → Energy economics |
| PGS | Power Generation System | In English | → Energy economics → Electrical engineering |
| PHP | Passiefhuis-Platform | In Dutch | → Energy economics → Building |
| PIU | Power Interface Unit | In English | → Energy economics |
| PL | Power Level | In English | → Energy economics |
| PMAD | Power Management And Distribution | In English | → Energy economics → Electrical engineering |
| PMC | Plutonia-Molybdenum Cermet | In English | → Energy economics → Nuclear technology |
| PMD | Power Management and Distribution | In English | → Electrical engineering → Energy economics |
| PMG | Pôle Marketing Gaz | In French | → Energy economics |
| PMS | Power Management System | In English | → Energy economics → Electrical engineering |
| POrCo | Progress in Organic Coatings | In English | → Serial publications, periodicals → Materials science |
| PP | Power Plant | In English | → Energy economics → Electrical engineering |
| PPM | Prioriteitsprogramma Materialenonderzoek | In Dutch | → Research policy → Materials science |
| PrMS | Progress in Materials Science | In English | → Serial publications, periodicals → Materials science |
| PSCU | Power Supply Control Unit | In English | → Energy economics → Electrical engineering |
| PSD | Power Systems Division | In English | → Energy economics → Electrical engineering |
| PSD | Power Spectral Density | In English | → Energy economics → Electrical engineering |
| PSDU | Power and Signal Distribution Unit | In English | → Energy economics → Electrical engineering → Telecommunications |
| PSG | Power Subsystem Group | In English | → Energy economics → Electrical engineering |
| PSI | Power Static Inverter | In English | → Energy economics |
| PSIU | Power and Signal Interface Unit | In English | → Energy economics → Electrical engineering → Telecommunications |
| PSM | Power Storage Module | In English | → Energy economics |
| PSU | Power Switching Unit | In English | → Energy economics → Electrical engineering |
| PT | Power Transfer | In English | → Energy economics |
| PTO | Power Test Operation | In English | → Energy economics |
| PU | Power Unit | In English | → Energy economics → Electrical engineering |
| PV | Photovoltaic | In English | → Energy economics |
| PVTCS | Photovoltaic Thermal Control System | In English | → Energy economics |
| Qe2 | Quantock Energy & Environment | In English | → Energy economics |
| REACM | Regional Energy Agency of Central Macedonia | In English | → Energy economics |
| REEEP | Renewable Energy and Energy Efficiency Partnership | In English | → Energy economics |
| REGBIE | Regional Bioenergy Initiatives around Europe | In English | → Energy economics |
| REIO | Renewable Energy Information Office | In English | → Energy economics |
| RENAEL | Rete Nazionale Agenzie Energetiche Locali | In Italian | → Energy economics |
| RENAISSANCE | Renewable ENergy Acting in SuStainable And Novel Community Enterprises | In English | → Energy economics |
| RESTART | Renewable Energy Strategies and Technology Applications for Regenerating Towns | In English | → Energy economics |
| REUS | Rational Energy Use & Solutions | In English | → Energy economics |
| RILEM | Réunion Internationale des Laboratoires pour l'Essai des Matériaux | In French | → Organizations and associations → Research institutes → Materials science |
| RNPP | Reliability and Network Planning Panel | In English | → 6208 |
| RTG | Radioisotope Thermal Generator | In English | → Energy economics → Nuclear technology |
| SADPT | Solar Array Drive and Power Transfer | In English | → Energy economics → Electrical engineering |
| SAS | Solar Array System | In English | → Energy economics |
| SAS | Solar Array Simulator | In English | → Energy economics |
| SCARF | Save Cash and Reduce Fuel | In English | → Energy economics |
| ScMM | Scripta Metallurgica et Materialia | In Latin | → Serial publications, periodicals → Metallurgy → Materials science |
| SDIG | Société pour le Développement de l’Industrie du Gaz | In French | → Energy economics |
| SEA | Samsø Energy Agency | In English | → Energy economics |
| SEA | Slovak Energy Agency | In English | → Energy economics |
| SEC | Sigma Energy Consulting | In English | → Energy economics → Consulting |
| SECM | Science and Engineering of Composite Materials | In English | → Serial publications, periodicals → Materials science |
| SECTM | Société d’Électricité et de Thermique du Centre et du Midi | In French | → Energy economics → Electrical engineering |
| SEE | Service de l'Énergie de l'État | In French | → Central administration → Energy economics |
| SEEA | Serbian Energy Efficiency Agency | In English | → Energy economics |
| SEEC | Scottish Energy and Environment Conference | In English | → Organizations and associations → Nature → Energy economics |
| SEN | Sistemul Electroenergetic Naţional | In Romanian | → Energy economics |
| SEP | Solar Electric Propulsion | In English | → Energy economics → Electrical engineering |
| SEPTEN | Service Études et Projets Thermiques Et Nucléaires | In French | → Energy economics → Nuclear technology |
| SER | Sources d'Énergie Renouvelable | In French | → Energy economics |
| SERC | Solar Energy Research Center | In English | → Energy economics |
| SET | Solar Energy Thermionic | In English | → Energy economics |
| SFEN | Société Française pour l’Énergie Nucléaire | In French | → Organizations and associations → Energy economics → Nuclear technology |
| SFEN | Société Française d'Énergie Nucléaire | In French | → Organizations and associations → Energy economics → Nuclear technology |
| SFMC | Société des Forces Motrices du Châtelot | In French | → Energy economics |
| SFOE | Swiss Federal Office of Energy | In English | → Energy economics |
| SGR | Saint-Gobain Recherche | In French | → Materials science |
| SHEMA | Société Hydraulique d'Études et de Missions d'Assistance | In French | → Energy economics |
| SIP | Società Idroelettrica Piemontese | In Italian | → Energy economics → Electrical engineering |
| SITEF | Salon International pour les Technologies et les Énergies du Futur | In French | → Engineering, technology → 6208 |
| SITS | Syndicat général des Industries de matériels et procédés pour les Traitements de Surfaces | In French | → Organizations and associations → Materials science |
| SMaS | Smart Material Structures | In English | → Serial publications, periodicals → Materials science |
| SMES | Superconducting Magnetic Energy Storage | In English | → Energy economics |
| SmMaS | Smart Materials and Structures | In English | → Serial publications, periodicals → Materials science |
| SMPM | Structural Materials Property Manual | In English | → Materials science |
| SMW | Standard Materials Work Sheet | In English | → Materials science |
| SNET | Société Nationale d’Électricité et de Thermique | In French | → Energy economics → Electrical engineering |
| SoCe | Solar Cells | In English | → Serial publications, periodicals → Energy economics |
| SoEn | Solar Energy | In English | → Serial publications, periodicals → Energy economics |
| SoEnM | Solar Energy Materials | In English | → Serial publications, periodicals → Energy economics |
| SOFC | Solid Oxide Fuel Cell | In French | → Energy economics |
| SOFENA | Sofia Energy Agency | In English | → Energy economics |
| SPCA | Secondary Power Control Assembly | In English | → Energy economics |
| SPDB | Subsystem Power Distribution Box | In English | → Energy economics |
| SPP | Slovenský Plynárenský Priemysel | In Slovak | → Energy economics |
| SpPow | Space Power | In English | → Serial publications, periodicals → Energy economics → Spaceflight engineering, astronautics |
| SPRMD | Space Power Resources and Manufacturing Development | In English | → Serial publications, periodicals → Energy economics → Spaceflight engineering, astronautics |
| SPRU | Standard Power Regulator Unit | In English | → Energy economics |
| SPS | Satellite Power System | In English | → Energy economics → Spaceflight engineering, astronautics |
| SRL | Surface Review and Letters | In English | → Serial publications, periodicals → Materials science |
| SSE | Stredoslovenská energetika (www.sse.sk) | In Slovak | → Energy economics |
| SSPRv | Space and Solar Power Review | In English | → Serial publications, periodicals → Astronomy → Energy economics |
| SSPS | Solar Satellite Power Station | In English | → Energy economics → Spaceflight engineering, astronautics |
| SSRV | Solar-Sail Race Vehicle | In English | → Energy economics → Vehicle engineering |
| STEP | Station de Transfert d’Énergie par Pompage | In French | → Energy economics |
| SuCT | Surface and Coatings Technology | In English | → Serial publications, periodicals → Materials science → Chemical technology |
| SurIA | Surface and Interface Analysis | In English | → Serial publications, periodicals → Materials science |
| SurSc | Surface Science | In English | → Serial publications, periodicals → Materials science |
| SurSR | Surface Science Reports | In English | → Serial publications, periodicals → Materials science |
| SurSS | Surface Science Spectra | In English | → Serial publications, periodicals → Materials science |
| SuRvL | Surface Reviews and Letters | In English | → Serial publications, periodicals → Materials science |
| SWEA | Severn Wye Energy Agency | In English | → Energy economics |
| TAEM | Terminal Area Energy Management | In English | → Energy economics |
| TdE | Transalpina di Energia | In Italian | → Energy economics |
| TEA | Tipperary Energy Agency | In English | → Energy economics |
| TEGI | Tractebel Electricity & Gas International | In English | → Energy economics → Electrical engineering |
| TEMASOL | Total EDF Maroc Solaire | In French | → Energy economics → Electrical engineering |
| TEP | Tonne Équivalent Pétrole | In French | → Energy economics → 665 |
| TESE | Technologies et Économie des Sytèmes Électriques | In French | → Energy economics → Electrical engineering |
| TGV | Turbine - Gaz - Vapeur | In French | → Energy economics |
| ThF | Thermique à Flamme | In French | → Energy economics |
| TMP | Thermo-Mécanique et Plasticité | In French | → Materials science → Mechanical engineering → Chemical technology |
| TMS | Thermal Management Solutions | In English | → Energy economics |
| TREN | TRansport et ÉNergie | In French | → Energy economics → Transport and postal services |
| TrGRC | Geothermal Resources Council Transactions | In English | → Serial publications, periodicals → Earth sciences → Energy economics |
| UAEA | Uluslararası Atom Enerji Ajansı (www.iaea.org) = OIEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, EANA (look above) |
In Turkish | → International relations → Energy economics → Nuclear technology |
| UEA | United Energy Associates | In English | → Energy economics → Electrical engineering → Environmental technology, water supply, waste management |
| UES | Unified Energy System = ЕЭС | Единые Энергетические Системы | In Russian |
In English | → Energy economics → Electrical engineering |
| UKAEA | United Kingdom Atomic Energy Agency | In English | → Public administration, government → Energy economics → Nuclear technology |
| UTE | Usina Termelétrica Norte Fluminense (www.utenortefluminense.com.br) | In Portuguese | → Energy economics → Electrical engineering |
| VEAG | Vereinigte Energiewerke AG | In German | → Energy economics |
| VEM | Viscoelastic Materials | In English | → Materials science |
| VGR | Vente de Gaz Réparti | In French | → Energy economics |
| VOGUE | Vers l’Optimisation de la Gestion et de l’Utilisation de l’Énergie | In French | → Energy economics → Electrical engineering |
| VPD | Variable Power Divider | In English | → Energy economics → Electrical engineering |
| VPP | Virtual Power Plant | In English | → Energy economics → Electrical engineering |
| VTC | Vlaamse Thermie Coordinate | In Dutch | → Organizations and associations → Energy economics |
| WEC | World Energy Council = CME | Conseil Mondial de l'Énergie | In French = CME | Consiliul Mondial al Energiei | In Romanian |
In English | → Organizations and associations → International relations → Energy economics |
| WEMAL | Wexford Energy Management Agency | In English | → Energy economics |
| WiEn | Wind Energy | In English | → Serial publications, periodicals → Energy economics → 621548 |
| WiEng | Wind Engineering | In English | → Serial publications, periodicals → Energy economics → 621548 |
| WING | Werkstoffinnovationen für Industrie und Gesellschaft | In German | → Materials science |
| WISE | World Information Service on Energy | In English | → Energy economics |
| WREAN | Western Regional Energy Agency & Network | In English | → Energy economics |
| WREN | World Renewable Energy Network | In English | → Energy economics |
| WSED | World Sustainable Energy Days | In English | → Energy economics |
| WTREA | Watford and Three Rivers Energy Agency | In English | → Energy economics |
| ZECK | Zespół Elektrociepłowni Wrocławskich "Kogeneracja" (www.kogeneracja.com.pl) | In Polish | → Energy economics → Electrical engineering |
| ZeIE | Zeitschrift elektrische Informations- und Energietechnik | In German | → Serial publications, periodicals → Energy economics → Electrical engineering |
| ZEP | Zero Emission Fossil Fuel Power Plants (www.zero-emissionplatform.eu) | In English | → Energy economics → Nature and society |
| ZREU | Zentrum für rationelle Energieanwendung und Umwelt | In German | → Energy economics |
| ЕЭС | Единые Энергетические Системы = UES (look above) |
In Russian | → Energy economics → Electrical engineering |
| МААЕ | Международна агенция за атомна енергия (www.iaea.org) = OIEA, IAAE, IAEA, AIEA, MAAE, IAEO, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Bulgarian | → International relations → Energy economics → Nuclear technology |
| МАГАТЕ | Міжнародне агентство з атомної енергії (www.iaea.org) = OIEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, סבא"א, МАГАТЭ, MAEA, UAEA, EANA (look above) |
In Ukrainian | → International relations → Energy economics → Nuclear technology |
| МАГАТЭ | Международное агентство по атомной энергии (www.iaea.org) = OIEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, סבא"א, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Russian | → International relations → Energy economics → Nuclear technology |
| МЭА | Международное энергетическое агентство = AIE | Agence Internationale de l'Énergie | In French = IEA | International Energy Agency | In English = IEA | Internationale Energieagentur | In German = MAE | Międzynarodowa Agencja Energii[edytuj] | In Polish = IEA | Internationaal Energie Agentschap | In Dutch = IEA | 国際エネルギー機関 | In Japanese = AIE | Agencia Internacional de la Energía | In Spanish |
In Russian | → International relations → Energy economics |
| ОГК | Оптовая генерирующая компания = OGK (look above) |
In Russian | → Energy economics → Electrical engineering |
| ОГК-1 | Оптовая генерирующая компания № 1 (www.ogk1.com) | In Russian | → Energy economics → Electrical engineering |
| ОГК-2 | Оптовая генерирующая компания № 2 (www.ogk2.ru) | In Russian | → Energy economics → Electrical engineering |
| ОГК-3 | Оптовая генерирующая компания № 3 (www.ogk3.ru) | In Russian | → Energy economics → Electrical engineering |
| ОГК-4 | Оптовая генерирующая компания № 4 (www.ogk-4.ru) | In Russian | → Energy economics → Electrical engineering |
| ОГК-5 | Оптовая генерирующая компания № 5 (www.ogk-5.com) | In Russian | → Energy economics → Electrical engineering |
| ФЕЕ | Фонд Енергийна Ефективност = BgEEF | Bulgarische Energieeffizienzfonds | In German = BgEEF | Bulgarian Energy Efficiency Fund | In English |
In Bulgarian | → Energy economics |
| סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית (www.iaea.org) = OIEA, IAAE, IAEA, AIEA, МААЕ, MAAE, IAEO, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Hebrew | → International relations → Energy economics → Nuclear technology |
|