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1845 Actors found (out of 1847)
- 1st renewable energy -
United Kingdom - 2ES (2ES) -
France - 500 PPM GmbH (500 PPM GmbH) -
Germany - A+B International -
Switzerland - ABIES (ABIES) - France
- ABN AMRO (ABN AMRO) -
Netherlands - Abo Wind - Germany
- Abu-Dhabi Global Environmental Data Initiative (AGEDI) -
United Arab Emirates - AC Techart Electronics -
Australia - Acciona Energia -
Spain - ACESOL (ACESOL) - Spain
- ACF - Australian Conservation Foundation (ACF) - Australia
- ACTEW Corporation Limited (ACTEW) - Australia
- ACTHERM holding a.s (ACTHERM holding a.s) -
Czech Republic - Addnew Technologies Limited (ADDNEW) -
China - ADEOL (ADEOL) - France
- Adianant Greens -
India - AdiAnant Solutions - India
- ADSM PLC (ADSM PLC) - United Kingdom
- AEA Technology plc. (AEA) - United Kingdom
- AEK Energie AG - Switzerland
- AeroCratf Energitec - Germany
- Aerogeneradores Canarios (ACSA) - Spain
- Aerotecure International -
United States - Aerowatt - France
- Afghan Solar -
Afghanistan - African Development Bank Group (AFDB) -
Cote d'Ivoire - African Energy - United States
- African Energy Policy Research Network/Foundation for Woodstove Dissemination (AFREPREN/FWD) -
Kenya - African Forum for Utility Regulation (AFUR) -
South Africa - African Union Headquarters (AU) -
Ethiopia - African Wind Energy Association (AfriWEA) - South Africa
- AGAMA Energy (AGAMA Energy) - South Africa
- Agder Energi -
Norway - Agence de l’Energie S.A. (AEL) -
Luxembourg - Agency for Energy Efficiency and Renewable Energy (AURE) -
Slovenia - Agency for Environment and Energy Management (ADEME) - France
- Agency for Natural Resources and Energy (ANRE) -
Japan - AGH University of Science and Technology -
Poland - AGL Energy Limited (AGL) - Australia
- AGL Energy Limited - Australia
- AGRAR Plus -
Austria - Agrinergy (Agrinergy) - United Kingdom
- AHEAD Energy Corporation (AHEAD) - United States
- Aiguasol Engineering - Spain
- Aircon International - Germany
- AIRE (American Institute of Renewable Energy) - United States
- Airtricity -
Ireland - Alabama Power - United States
- Albania-EU Energy Efficiency Centre (EEC) -
Albania - Albanian Ecological Club International Friends of Nature - Albania
- Albanian Electricity Regulatory Authority (ERE) - Albania
- Albanian National Agency of Natural Resources (AKBN) - Albania
- Alberta Energy Research Institute (AERI) -
Canada - Algerian Centre for Renewable Energy Development (CDER) -
Algeria - Algerian National Agency for the Promotion and Rationalisation of Energy Use (APRUE) - Algeria
- Alinta Energy - Australia
- Alize Energie - France
- Alliance to Save Energy (ASE) - United States
- Alliant Energy (Alliant Energy) - United States
- Allplan - Austria
- Alstom Power - Australia
- Alterea - Alternative Energy Solutions (Alterea) - France
- Alternate Power Solutions (APS) -
Pakistan - Alternative Energy Institute (AEI) - United States
- Alternative Technology Association (ATA) - Australia
- American Council for an Energy-Efficient Economy (ACEEE) - United States
- American Council on Renewable Energy (ACORE) - United States
- American Hydrogen Association (AHA) - United States
- American Samoa Power Authority -
Samoa - American Solar Energy Resources Society (including Solar Today) (ASES) - United States
- American Wind Energy Association (AWEA) - United States
- AMG ENERGIA S.p.A. (AMG ENERGIA S.p.A.) -
Italy - Andrews Power - Australia
- Andromeda Energy Technologies (P) Ltd. (AETPL) - India
- Anglec - Afghanistan
- Ankur Scientific Energy Technologies Pvt. Ltd. - India
- Aon Global Risk Consultants Ltd. - United Kingdom
- APEC Energy Working Group (EWG) - Australia
- Apollo Enviro - United Kingdom
- Appellate Tribunal for Electricity - India
- APT Consulting Group Co., Ltd. (APT) -
Thailand - Arab Fund for Social and Economic Development (AFESD) -
Kuwait - Arab Maghreb Union (AMU) -
Morocco - Argentinian Centre for Alternative Energy (CADEA) -
Argentina - Argentinian Environment and Renewable Energy Association (ASADES) - Argentina
- Argentinian Wind Energy Association (AAEE) - Argentina
- Argo Environment Ltd -
New Zealand - Arpas Engineering Services - Netherlands
- ASEAN Centre for Energy (ACE) -
Indonesia - Ashden Awards for Sustainable Energy (Ashden Awards) - United Kingdom
- Asia-Pacific Energy Research Center (APERC) - Japan
- Asia-Pacific Partnership on Clean Development and Climate - United States
- Asian Development Bank - China
- Asian Institute of Technology (AIT) - Thailand
- ASN Milieufonds - Netherlands
- Association for Conservation of Energy (ACE) - United Kingdom
- Association for Environment-Conscious Building (AECB) - United Kingdom
- Association for Research and Promotion of Sustainable Energy in Central Africa (ARPEDAC) -
Cameroon - Association for the Promotion of Renewable Energy (APERe) -
Belgium - Association HESPUL (HESPUL) - France
- Association of Energy Engineers (AEE) - United States
- Association of Generators with Renewable Energy (AGER) -
Guatemala - Association of Renewable Energy Producers (APPA) - Spain
- Association Quebecoise de Maitrise de l'Energie (AQME) - Canada
- Assocogen Vicenza s.r.l - Italy
- Ata Marie Group (AMG) - Indonesia
- Atersa - Spain
- ATS Automation - Canada
- Aufwind - Germany
- Australia and New Zealand Banking Group (ANZ) - Australia
- Australian & New Zealand Solar Energy Society (ANZSES) - Australia
- Australian Agency for International Development (AusAID) - Australia
- Australian Energy Market Commission (AEMC) - Australia
- Australian Energy Regulator (AER) - Australia
- Australian Trade Commission (Austrade) - Australia
- Austria Wirtschaftsservice GmbH - Austria
- Austrian Bioenergy Centre (abc-energy) - Austria
- Austrian Biofuels Institute (ABI) - Austria
- Austrian Biomass Association (Austrian Biomass Association) - Austria
- Austrian Energy Agency (AEA) - Austria
- Austrian Wind Energy Association (IG Windkraft) - Austria
- Authority for Energy Regulation - Ireland
- Axima services - Belgium
- Axiom Venture Capital (Axiom Venture Capital) - Belgium
- ĹF Group (ĹF Group) -
Sweden - Baileys Performance Solutions - Australia
- Baker & McKenzie - Australia
- Baltic Energy Conservation Agency (BAPE) - Poland
- Bangladesh Centre for Advanced Studies (BCAS) -
Bangladesh - Bank for Environmental Protection (BOS Bank) - Poland
- BankInvest - New Energy Solutions -
Denmark - Banque Populaire Group/Natexis Lease/Energeco (Banque Populaire Group/Natexis Lease/Energeco) - France
- Barani Design (Jan Barani) - United States
- Barclays Bank PLC - United Kingdom
- Barefoot Power - Australia
- Basel Agency for Sustainable Energy (BASE) - Switzerland
- BBI International (BBII) - United States
- BC Sustainable Energy Association (BCSEA) - Canada
- Beacon Power Corporation (Beacon Power) - United States
- Beijing Energy Efficiency Center (BECon) - China
- Beijing Jike Energy New Technology Development Company (Jike) - China
- Belize Electricity Company -
Belize - Bennu Solar - China
- Bharat Heavy Electricals Ltd - India
- BiG - Black is Green Pty Ltd (BiG) - Australia
- Biocomb (Biocomb) -
Brazil - Biodiesel Network - Australia
- Bioenergy Association of New Zealand (BANZ) - New Zealand
- Bioenergy Australia - Australia
- Bioenergy Austria (BEA) - Austria
- Bioenergy Institute (ITEBE) - France
- BioKraftstoff - Germany
- Biomass Coordinating Council (BCC) - United States
- Biomass Research and Development Initiative (Biomass Research and Development Initiative) - United States
- Biomass Users Network Brazil (BUN) - Brazil
- Biomass Users Network Central America (BUN-CA) -
Costa Rica - Biomass-Logistics-Engineering (BLT) - Austria
- BioStrom Energie System - Germany
- Biotechnology Industry Organisation (BIO) - United States
- BIOX Corporation - Canada
- BL Finance - France
- Black Diamond Technologies Limited (BDT) - New Zealand
- Black Sea Regional Energy Centre (BSREC) -
Bulgaria - Blue Energy Canada Inc. - Canada
- BlueScope Steel Limited - Australia
- Bluetech Solar Power Co.,Ltd - China
- Bluewaters (Bluewaters) - Austria
- BNNS Solar Systems (BNNS Solar Systems) - Bulgaria
- Boralex (Boralex) - Canada
- Bord Gáis - Ireland
- BOREAS (BOREAS) - Germany
- Borg & Co (Borg & Co) - Sweden
- Box Brains FZ LLC (BXB) - United Arab Emirates
- BP Solar Pty Ltd (BP Solar Pty Ltd) - Australia
- Brazilian Electricity Regulatory Agency (ANEEL) - Brazil
- Brazilian Foundation of America Inc - United States
- Brazilian Network of NGOs for Renewable Energy - Brazil
- Brazilian Wind Energy Center (CBEE) - Brazil
- British Association for Biofuels and Oils (BABFO) - United Kingdom
- British Energy Group Plc (British Energy) - United Kingdom
- British Hydropower Association (BHA) - United Kingdom
- British Petroleum (BP) - United Kingdom
- British Petroleum - Australia
- British Photovoltaic Association (PV-UK) - United Kingdom
- British Renewable Energy Association (Renew) - United Kingdom
- British Wind Energy Association (BWEA) - United Kingdom
- Brunata (Brunata) - Bulgaria
- Brussels Energy Agency (ABEA) - Belgium
- BS Electrical Engineering Sdn. Bhd. -
Vietnam - BTB Polska Sp.z o.o. (BTB Polska Sp.z o.o.) - Poland
- BTG Biomass technology group (BTG) - Netherlands
- BTG Central Europe (BTG Central Europe) - Czech Republic
- BTM Consults Aps (BTM Consults Aps) - Denmark
- Bucharest Polytechnic University (PUB) -
Romania - Budapest University of Technology and Economics (Budapest University of Technology and Economics) -
Hungary - Building Green (Building Green) - United States
- Built Green Society Canada - Canada
- Bulgarian Biomass Association (bgbiom) - Bulgaria
- Bulgarian Energy Efficiency Fund (BgEEF) - Bulgaria
- Bushlight - Australia
- Business for Millennium Development (b4md) - Australia
- Business Machines Tanzania Limited (BMTL) -
Tanzania - Cagayan Electric Power and Light Company, Inc. (Cepalco) -
Philippines - Caliqua AG (Caliqua AG) - Switzerland
- Calpine (Calpine) - United States
- Camco International (Camco International) - Austria
- Canada Clean Fuels (Canada Clean Fuels) - Canada
- Canada Mortgage and Housing Corporation - Canada
- Canada Sustainable Development Technology Canada (SDTC) - Canada
- canadian association for renewable energies (we c.a.r.e.) - Canada
- Canadian Bioenergy Association (CANBIO) - Canada
- Canadian Bioenergy Corporation (Canadian Bioenergy Corporation) - Canada
- Canadian Biogas Association - Canada
- Canadian Centre for Pollution Prevention C2P2 - Canada
- Canadian District Energy Association (CDEA) - Canada
- Canadian Energy Efficiency Alliance (CEEA) - Canada
- Canadian Energy Research Institute (CERI) - Canada
- Canadian GeoExchange Coalition CGC - Canada
- Canadian Green Fuels (Cangreenfuels) - Canada
- Canadian Hydro Developpers Inc. (Canadian Hydro) - Canada
- Canadian Renewable Energy Alliance (Canadian Renewable Energy Alliance) - Canada
- Canadian Renewable Energy Network (CanREN) - Canada
- Canadian Renewable Fuels Association (CRFA) - Canada
- Canadian Solar Industry Association (CanSIA) - Canada
- Canadian Wind Energy Association (CANWEA) - Canada
- CANMET Energy Diversification Research Laboratory (CEDRL) - Canada
- CANMET Energy Technology Centre (CETC) - Canada
- CantorCO2e (CantorCO2e ) - United Kingdom
- Capacity Building for Integrated Water Resources Management (Cap-Net) - Netherlands
- Carbery Housing Association Ltd. (CHA) - Ireland
- Carbon Community - Australia
- Carbon International - United Kingdom
- Carbon Markets and Investors Association (CMIA) - United States
- Carbon Partners - Australia
- Carbon Reduction Fund (CRF) - Canada
- Carbon Trust (Carbon Trust) - United Kingdom
- CarbonFree Technology - Canada
- carbonsense (Carbonsense) - United Kingdom
- CARE - United States
- CARECREATION (CARECREATION KG) - Germany
- Caribbean Development Bank (CDB) -
Barbados - Caribbean Electric Utility Service Corporation (Carilec) -
St. Lucia - Caribbean Renewable Energy Development Programme (CARICOM) -
Guyana - Caritas - Australia
- Carmanah (Carmanah) - Canada
- Carnegie Wave Energy (CWE) - Australia
- Catenaria Advisors -
Singapore - CBD Energy - Australia
- CBS Power Solutions -
Fiji - CD Power Saving Co Ltd (CD Power Saving Co Ltd) -
Malta - CE Electric UK - Afghanistan
- CEA/EBN (CEA) - Netherlands
- CebyC (CebyC) - Norway
- CeCap LLP (CE-CAP) - United Kingdom
- Cenergia Energy Consultants (Cenergia) - Denmark
- Cenergie (Cenergie) - Belgium
- CENS-Centre For Nuclear Safety (CENS) -
Slovakia - Center for Alternative Technology (CAT) - United Kingdom
- Center for Education and Raising Awareness of Energy Efficiency (Energis) -
Bosnia and Herzegovina - Center for Energy Efficiency (CENEF) -
Russian Federation - Center for Energy Policy and Economics, Swiss Federal Institutes of Technology (CEPE/ETHZ) - Switzerland
- Center for Environment and Development for the Arab Region and Europe (CEDARE) -
Egypt - Center for Environmental Technological Development (Ceteor) - Bosnia and Herzegovina
- Center for Renewable Energy Development - China
- Center for Resource Solutions (CRS) - United States
- Center for Sustainable Energy at Bronx Community College (CSE) - United States
- Center of Alternative Energy from Moldova (CEAM) -
Moldova - Central American Bank for Economic Integration (CABEI) -
Honduras - Central European Initiative (CEI) - Italy
- Central European University (CEU) - Hungary
- Centre for Analysis and Dissemination of Demonstrated Energy Technologies (CADDET) - United Kingdom
- Centre For Design - RMIT University - Australia
- Centre for Energy and Environmental Markets (CEEM) - Australia
- Centre for Energy and Greenhouse Technologies (CEGT) - Australia
- Centre for Energy and Processes (ARMINES) - France
- Centre for Environment Education (CEE) - India
- Centre for Environment Technology and Rural Development (CETRUD) -
Uganda - Centre for Promotion of Clean and Efficient Energy in Romania (ENERO) - Romania
- Centre for Renewable Energy Sources (CRES) -
Greece - Centre for Research & Action on Developing Locales, Regions & Environment (CRADLE) -
Nigeria - Centre for Solar Energy Studies (CSES) -
Libya - Centre for Sustainable Energy Systems (CSES) - Australia
- Centre for the Development of Enterprise (CDE) - Belgium
- Centre International de Recherche sur l Environnement et le Developpement (CIRED) - France
- Centre of Biomass for Energy (CBE) -
Portugal - Centro de Estudio de Tecnologias Energeticas Renovables (CETER) -
Cuba - Centrosolar AG (Centrosolar) - Germany
- Ceramic Fuel Cells Limited - Australia
- Ceres Capital LLP (Ceres Capital) - United Kingdom
- CESI RICERCA S.p.A. (CESI RICERCA S.p.A.) - Italy
- CEZ Group (CEZ Group) - Czech Republic
- CEZ Group - Czech Republic
- Chalmor Limited (Chalmor Limited) - United Kingdom
- Changing World Technologies - United States
- Chartered Institution of Building Services Engineers (CIBSE) - United Kingdom
- Chhattisgarh Biofuel Development Authority (CBDA) - India
- Chian National Renewable Energy Centre (CNREC) - China
- Chilean Solar Energy Association (ACESOL) -
Chile - China Clean Energy Inc. - China
- China Light and Power Company (CLP Group) - China
- China National Engineering Research Center for Human Settlements (CNERCHS) - China
- China Renewable Energy Industries Association (CREIA) - China
- China Rural Energy Enterprise Development (CREED ) - China
- China US Energy Efficiency Alliance (China US Energy Efficiency Alliance) - United States
- Chinese Energy Group - China
- Chinese Wind Energy Association (CWEA) - China
- Christian Aid - United Kingdom
- CIPCSP (CIPCSP) - France
- CITA Wind (CITA Wind) - France
- Cities Development Initiative for Asia (CDIA) - Philippines
- CitiPower and Powercor - Australia
- Citizens United for Renewable Energy and Sustainability (CURES) - Germany
- Cittŕ Energia S.r.l. (Cittŕ Energia S.r.l.) - Italy
- Clarke Energy Australia Pty Ltd - Australia
- Clay Engineering Ltd T/A Clay Energy - Fiji
- Clean Air Action Group (Clean Air Action Group) - Hungary
- Clean Air Foundation - Canada
- Clean Energy Asia - ECO Asia Clean Development & Climate Program (ECO Asia CDCP) - Thailand
- Clean Energy Business Council (CEBC) - United Arab Emirates
- Clean Energy Council - Australia
- Clean Energy Solutions, Inc. (CESI) - United States
- Clean Fuels Development Coalition (CFDC) - United States
- Clean Power Income Fund (Clean Power Income Fund) - Canada
- Clean Technology AustralAsia (CTA) - Australia
- Cleaner Production and Energy Efficiency Centre (CPEE) - Moldova
- Cleantech Europe LP/zouk ventures ltd (Cleantech Europe LP/zouk ventures ltd ) - United Kingdom
- Cleantech Group - United States
- Cleantech Ventures - Australia
- Clear Solar - Australia
- Climaespaço (Climaespaço) - Portugal
- Climate Action Network - International Secretariat (CAN) - United States
- Climate and Development Knowledge Network (CDKN) - United Kingdom
- Climate Ark, Climate Change Portal (Climate Ark, Climate Change Portal) - United States
- Climate Change Capital (CCC) - United Kingdom
- Climate Change Central (C3) - Canada
- Climate Change Coordination Center (Climate Change Coordination Center) -
Kazakhstan - Climate Change Solutions - United Kingdom
- Climate Consortium - Denmark
- Climate Control Industry Alliance - Australia
- Climate Friendly - Australia
- Climate Institute - United States
- Climate Risk - Australia
- Climate Technology Initiative (CTI) - Japan
- Clinton Foundation - United States
- Clipper Windpower (Clipperwind) - United States
- Clipsol (Clipsol) - France
- Club for Rural Electrification (CLe) - Germany
- co2online non-profit ltd. (co2online) - Germany
- Cofathec (Cofathec) - France
- COGEN Canada (COGEN Canada) - Canada
- Cogen Europe (COGEN Europe) - Belgium
- Cogeneration Association of India - India
- Collaborative Labeling and Appliance Standards Programme (CLASP) - United States
- Comilla Rural Electric Society-2 (CPBS-2) - Bangladesh
- Commission de Régulation de l'Electricité et du Gaz (CREG) - Belgium
- Commission de Régulation de l’Energie (CRE) - France
- Commission for Electricity Regulation (CER) - Ireland
- Commission Wallone pour l'Energie (CWAPE) - Belgium
- Community Energy Efficiency Act EEA - Afghanistan
- Compagnie Nationale du Rhône (CNR) - France
- Company for Energy Saving JSCo (CES) - Bulgaria
- ConBio AS - Norway
- Conduit Ventures Limited (CVL) - United Kingdom
- Conergy (Conergy) - Germany
- Consolidated Energy Consultants LTD. - India
- Consorzio Arcobaleno (Consorzio Arcobaleno) - Italy
- Cool Nrg - Australia
- Cooperation Council for the Arab States of the Gulf (GCC) -
Saudi Arabia - Corning (Corning) - United States
- Corporation of the Investigation into Energy (CIE) -
Ecuador - Council for Environment & Natural Reserves -
Qatar - Council of European Energy Regulators (CEER) - Belgium
- Council of Power Utilities (CPU) - India
- CPRE - SOMERSET BRANCH (CPRE) - United Kingdom
- Creative Energy Solutions - Australia
- Croatia Energy Regulatory Agency (CERA) -
Croatia - Croatian Bank for Reconstruction and Development (HBOR) - Croatia
- Croatian Energy Market Operator (HROTE) - Croatia
- Croatian Energy Regulatory Agency (CERA) - Croatia
- Croatian Environment Agency (AZO) - Croatia
- Croatian Solar Energy Association (Croatian Solar Energy Association) - Croatia
- CS Energy - Australia
- CSIRO Division of Energy Technology (CSIRO Division of Energy Technology) - Australia
- CW Consults (CW Consults) - Germany
- Cypress Semiconductors (Cypress Semiconductors) - United States
- Cyprus Institute of Energy (CIE) -
Cyprus - Czech Association for Wind Energy (CSVE) - Czech Republic
- Czech Biomass Association (CZ BIOM) - Czech Republic
- Czech Energy Agency (CEA) - Czech Republic
- Czech Renewable Energy Agency (Czech RE Agency) - Czech Republic
- Dalkia - France
- Dalmia Electrodyn Technologies (P) Ltd (DELTEC) - India
- Danfoss A/S (Danfoss A/S) - Denmark
- Danisco US Inc., Genencor Division - United States
- Danish Biogas Association (Danish Biogas Association) - Denmark
- Danish Building Research Institute (SBI) - Denmark
- Danish Energy Agency (ENS) - Denmark
- Danish Energy Association (Danish Energy Association) - Denmark
- Danish Energy Regulatory Authority (DERA) - Denmark
- Danish International Development Assistance (DANIDA) - Denmark
- Danish Ministry of the Environment (MIM) - Denmark
- Danish Organisation for Sustainable Energy (OVE) - Denmark
- Danish Wind Industry Association (DWIA) - Denmark
- Danish Wind Turbine Owners’ Association - Denmark
- DAPESCO (DAPESCO) - Belgium
- David Suzuki Foundation - Canada
- DayStar Technologies, Inc (Daystar) - United States
- DEG Invest (DEG Invest) - Germany
- Delegation of the European Commission for the Pacific - Fiji
- Delegation of the European Commission for the Pacific - Fiji
- Demand Manager - Australia
- Demonstration Zone Energy and Water Efficiency Ltd. -
Kyrgyzstan - Department for International Development (DFID) - United Kingdom
- Department of Alternative Energy Development and Efficiency (DEDE) - Thailand
- Department of Climate change (DCC) - Australia
- Department of Communications, Marine and Natural Resources (DCMNR) - Ireland
- Department of Economic Affairs Micronesia (Department of Economic Affairs Micronesia) -
Micronesia - Department of Electrical Enginnering, University of Coimbra (Department of Electrical Enginnering, University of Coimbra) - Portugal
- Department of Energy & Climate Change (DECC) - United Kingdom
- Department of Energy - Joint Genome Institute (DOE JGI) - United States
- Department of Energy and Mineral Resources (ESDM) - Indonesia
- Department of Energy and Rural Electrification - Fiji
- Department of Energy Efficiency and Renewable Energy - Slovenia
- Department of Energy, Government of Tokelau - Samoa
- Department of Energy, Ministry of Economics -
Latvia - Department of Energy, Utilities and Sustainability (DEUS) - Australia
- Department of Environment ( Department of Environment) - Bangladesh
- Department of Environment and Climate Change (DECC) - Australia
- Department of Environment Northern Ireland (DOE) - United Kingdom
- Department of Finance - Ireland
- Department of Foreign Affairs and Trade - Australia
- Department of Industry, Tourism and Resources (ITR) - Australia
- Department of Minerals and Energy (DME) - South Africa
- Department of Mines and Energy (DOE) - Australia
- Department of Petroleum & Energy (Energy Division) -
Papua New Guinea - Department of Petroleum and Energy (DPE) - Papua New Guinea
- Department of Petroleum and Energy - Papua New Guinea
- Department of Resources and Development, Energy division - Micronesia
- Department of Resources, Energy and Tourism (DRET) - Australia
- Department of State - United States
- Department of the Environment, Heritage and Local Government - Ireland
- Department of the Environment, Water, Heritage and the Arts - Australia
- Department of Water and Energy - Australia
- Deutsche Gesellschaft fuer Technische Zusammenarbeit GmbH (GTZ) - Germany
- Deutsche Structured Finance (DSF) - Germany
- DEVI - Renewable Energies (DEVI) - Vietnam
- DEVI Renewable Energies (DEVI) - Vietnam
- DEXIA Slovensko, a.s. (Dexia) - Slovakia
- District of Columbia Public Service Commission (PSC) - United States
- Division of Industry, Mines and Energy, Government of New-Caledonia (DIMENC) - France
- Dulas (Dulas) - United Kingdom
- Dyesol Limited (Dyesol Limited) - Australia
- Dynamotive (Dynamotive) - United States
- Dynetek Industries - Canada
- E+Co (E+Co) - United States
- E+Co - Thailand
- e-Parliament Climate and Energy Network - United Kingdom
- E-ton Solar (E-ton Solar) -
Taiwan - e8 General Secretariat (e8) - Canada
- Ea Energy Analyses (Ea) - Denmark
- Earth Check / EC3 Global - Australia
- Earth Energy Society of Canada (EESC) - Canada
- Earth Journalism Network (EJN) - Thailand
- Earth Systems - Australia
- EarthPower - Australia
- EarthToys - United States
- East African Development Bank (EADB) - Uganda
- EC Baltic Renewable Energy Centre (EC BREC) - Poland
- Eco (Eco Ltd) - United Kingdom
- Eco Alternative Energy - United States
- Eco Flanders (Eco Flanders) - Belgium
- Eco-Kinetics - Fiji
- Ecofys (ECOFYS) - Netherlands
- Ecogen (Ecogen) - Portugal
- Ecogen (Ecogen) - United Kingdom
- Ecogeneration magazine - Australia
- Ecojoule (Ecojoule) - Germany
- Ecojoule (Ecojoule) - Italy
- ECOLEX (ECOLEX) - Kazakhstan
- Ecoline (Ecoline) - Russian Federation
- Ecology Building Society (Ecology Building Society) - United Kingdom
- EcoMind (EcoMind) - Austria
- Econnect Ventures Limited (Econnect) - United Kingdom
- Econoler International (Econoler International ) - Canada
- Economics Ministry Chile - Chile
- EcoSecurities (EcoSecurities) - United Kingdom
- Ecostream (Ecostream) - Netherlands
- EcoSystems International Ltd (EcoSystems International) - United Kingdom
- Ecotecnia (Ecotécnia) - Spain
- Edenpower - Australia
- EDF Energies Nouvelles (EDF Energies Nouvelles) - France
- Edora (Edora) - Belgium
- EDVEST Energy Pty Ltd (EDVEST) - South Africa
- EEA Fund Management Limited - United Kingdom
- Eesti Energia AS -
Estonia - EETEK Holding Plc. (EETEK) - Hungary
- Efficient Lighting Initiative, ELI Quality Certification Institute (ELI) - China
- EFIS a.s. (EFIS a.s.) - Czech Republic
- Ekodoma, Ltd. (Ekodoma) - Latvia
- Ekowatt (Ekowatt) - Czech Republic
- Eksport Kredit Fonden (EKF) - Denmark
- El Paso Solar Energy Association (EPSEA) - United States
- Electrabel (Electrabel) - Belgium
- Electric Power Corporation (EPC) - Samoa
- Electric Power Research Institute (EPRI) - United States
- Electricité de France (EDF) - France
- Electricity Control Board (ECB) -
Namibia - Electricity Supply Board (ESB ) - Ireland
- Electrolux (Electrolux) - Sweden
- Electronics Gram Othan Samiti (Electronics Gram) - India
- Elettronica Reverberi srl MPES Group (Elettronica Reverberi srl) - Italy
- Elgas - Australia
- Ellehauge & Kildemoes (Ellehauge & Kildemoes) - Denmark
- Eltast (Eltast) - Poland
- Elyo (Elyo) - France
- Emerging Power Partners Ltd (EPP) -
Finland - EMET Consultants Pty Limited (EMET Consultants Pty Limited) - Australia
- Enabling Access to Sustainable Energy (EASE) - Netherlands
- Enasolar - New Zealand
- Enatel - New Zealand
- End-use efficiency research group, Politecnico di Milano (eERG) - Italy
- Enda Energy (Enda Energy) -
Senegal - Endel (Endel) - France
- EnEffect - The Center for Energy Efficiency (Eneffect) - Bulgaria
- Enel Erelis (Erelis) - France
- Ener-g Combined Power (Ener-g Combined Power) - United Kingdom
- ENER-G Group (ENER-G Group) - United Kingdom
- ENERCON (ENERCON) - Germany
- Enercoop (Enercoop) - France
- Enerdata (Enerdata) - France
- Energeco (Energeco) - Italy
- Energethics Srl (Energethics) - Italy
- energeticals power plant engineering (Energeticals) - Germany
- Energetics - Australia
- Energia Mediterranea S.r.l. (Energia Mediterranea S.r.l.) - Italy
- Energie 21 (Energie 21) - France
- Energie-Cites (Energie-Cites) - France
- Energie-Contracting Kft. (Energie-Contracting Kft.) - Hungary
- Energie-Control GmbH (E-Control) - Austria
- Energiegesellschaft Nordost (ENO) - Germany
- EnergieKontor (EnergieKontor) - Germany
- Energiequelle (Energiequelle) - Germany
- Energieteam (Energieteam) - Germany
- Energieversorgung Niederoesterreich (EVN) - Austria
- Energo Controls s.r.o. (Energo Controls s.r.o.) - Slovakia
- EnergoBanking Kft. (EnergoBanking) - Hungary
- EnergoEco (EnergoEco) - Romania
- ENERGON srl (ENERGON srl) - Italy
- EnerGreen Foundation - Canada
- Energy & Development Group (EDG) - South Africa
- Energy & Security Group (ESG) - United States
- Energy & Sustainable Developement Magazine (E&SDM) - France
- Energy Agency (Secretaria de Energia- Republica Argentina) - Argentina
- Energy Agency of the Republic of Slovenia (Energy Agency of the Republic of Slovenia) - Slovenia
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Iraq - Energy and Environmental Development Consulting Limited (EED) - China
- Energy and Environmental Protection Institute (EKONERG) - Croatia
- Energy and Security Group (ESG) - United States
- Energy and Sustainable Development in Africa (ESDA) - Cameroon
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- Energy Centre (Energy Centre ) - Hungary
- Energy Centre Bratislava (ECB) - Slovakia
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- Energy Charter Secretariat - Belgium
- Energy Club (Energy Club) - Hungary
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Ghana - Energy Conservation Center (ECCJ) - Japan
- Energy Conservation Information Dissemination Center of National Development and Reform Commission (ECIDC) - China
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Lithuania - Energy Efficiency Centre (SEVEn) - Czech Republic
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Georgia - Energy Efficient Strategies (EES) - Australia
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- Energy for Sustainable Development Bulgaria Ltd. (ESD Bulgaria Ltd.) - Bulgaria
- Energy Foundation - China Sustainable Energy Program (Energy Foundation - CSEP) - China
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- Energy Impact - Australia
- Energy Information Administration (EIA) - United States
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- Energy Institute (EIHP) - Croatia
- Energy Institute at the Johannes Kepler University Linz (Energy Institute) - Austria
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- Energy Ministry Chile - Chile
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Myanmar - Energy Policy and Planning Office (EPPO) - Thailand
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- Enertrag (Enertrag) - Germany
- ENF Ltd (ENF Ltd) - China
- EnGen Institute - Australia
- Engineers Without Borders - Lebanon (EWB-Lebanon) -
Lebanon - Englefield Renewable Energy Fund/Englefield Capital (Englefield Renewable Energy Fund/Englefield Capital) - United Kingdom
- enova (enova) - Norway
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- Ensask Biofuels (Ensask Biofuels) - Canada
- Entura - Hydro Tasmania - Australia
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- Environment Agency - United Kingdom
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- Environment Public Authority (EPA ) - Kuwait
- Environmental Agency - Denmark
- Environmental and Energy Systems Studies, Lund University (IMES) - Sweden
- Environmental Change Institute, Oxford University Centre for the Environment (Environmental Change Institute, Oxford University) - United Kingdom
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- Eole - RES (Eole - RES) - France
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- Erdstom AG (Erdstrom) - Germany
- Erelia (Erelia) - France
- Ergon Energy - Australia
- Ersol Solar Energy AG (Ersol) - Germany
- Eskom - South Africa
- Eskon Energy Efficiency Consultancy -
Turkey - Essent Retail Services (Essent Retail Services) - Netherlands
- Essential Services Commission (ESC) - Australia
- Essential Services Commission of South Australia (ESCOSA) - Australia
- Estonian Energy Research Institute (Estonian Energy Research Institute) - Estonia
- Estonian Wind Power Association (EWPA) - Estonia
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- EU Energy (EU Energy) - United Kingdom
- Eurelectric (Eurelectric) - Belgium
- Euroheat and Power (Euroheat and Power) - Belgium
- Europäisches Zentrum für erneuerbare Energie Güssing GmbH (Europäisches Zentrum für erneuerbare Energie Güssing GmbH) - Austria
- European Bank for Reconstruction and Development (EBRD) - United Kingdom
- European Biomass Association (AEBIOM) - Belgium
- European Biomass Industry Association (EUBIA) - Belgium
- European Business Council for Sustainable Energy (e5) - Germany
- European Commission Directorate-General for Energy and Transport, (European Commission) - Belgium
- European Copper Institute (European Copper Institute) - Belgium
- European Council for Energy Efficient Economy (ECEEE) - Sweden
- European Energy Network (EnR) - France
- European Environment Agency (EEA) - Denmark
- European Federation of Regional Energy and Environment Agencies (FEDARENE) - Belgium
- European Forum for Renewable Energy Sources (EUFORES) - Belgium
- European Geothermal Energy Council (EGEC) - Belgium
- European Green Cities Network (EGCN) - Denmark
- European Industrial Insulation Foundation (EiiF) - Switzerland
- European Insulation Manufacturers Association (EURIMA) - Belgium
- European Investment Bank (EIB) - Luxembourg
- European Investment Bank (EIB) - Luxembourg
- European Investments and Partners (European Investments and Partners) - Poland
- European Ocean Energy Association (EU-OEA) - Belgium
- European Photovoltaic Industry Association (EPIA) - Belgium
- European Renewable Energies Federation (EREF) - Belgium
- European Renewable Energy Centres Agency (EUREC) - Belgium
- European Renewable Energy Council (EREC) - Belgium
- European Renewable Energy Exchange (Euro REX) - Hungary
- European Small Hydropower Association (ESHA) - Belgium
- European Solar Thermal Industry Federation (ESTIF) - Belgium
- European Union Energy Initiative (EUEI) - Belgium
- European Wind Energy Association (EWEA) - Belgium
- Europes Energy Portal (EEP) - Belgium
- EUROSOLAR - The European Association for Renewable Energy (EUROSOLAR) - Germany
- EuroWind GmbH - Germany
- EVC s.r.o. (EVC s.r.o.) - Czech Republic
- Evergreen Solar (Evergreen Solar) - United States
- EVOLUTION-MENERT (EVOLUTION-MENERT) - Slovakia
- Export Credits Guarantee Department (ECGD) - United Kingdom
- F.lli Ceresa S.p.A. (F.lli Ceresa S.p.A.) - Italy
- Fabricom (Fabricom) - Belgium
- Fachhochschul- studiengänge Burgenland Ges.m.b.H. - Energy and Environmental Management (FH Burgenland) - Austria
- Fantsuam Foundation - Nigeria
- Farmer's Life Improvement and Future Litht Youth Organization (FLIFLY) -
Cambodia - FE Clean Energy Group, Dexia-FE Clean Energy: Energy Efficiency and Emissions Reduction Fund (FE Clean Energy Group, Dexia-FE Clean Energy: Energy Efficiency and Emissions Reduction Fund) - United States
- Federal Minister of the Environment, Local Government and Rural Development (Federal Minister of the Environment, Local Government and Rural Development) - Pakistan
- Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU) - Germany
- Federal Ministry of Agriculture, Forestry, Environment & Water Management (BMLFUW) - Austria
- Federal Ministry of Economics and Labour (BMWA) - Austria
- Federal Ministry of Physical Planning and Environment - Bosnia and Herzegovina
- Federal Ministry of Transport, Building and Urban Affairs (BMVBS) - Germany
- Federal Network Agency for Electricity, Gas, Telecommunications, Posts and Railway (BNetzA) - Germany
- Federal Public Service Economy (FPS) - Belgium
- Federation - French Independent Electricity (EAF) - France
- Federation for the Production of Renewable Energy (FIPER) - Italy
- Fedreration of Can Muncipalities - Canada
- Fiji Electricity Authority (FEA) - Fiji
- Financing Energy Savings (FINES) - Belgium
- Finavera Renewables Inc. - Canada
- Finnish Wind Energy Association (Vindkraftföreningen r.f.) - Finland
- Finnish Wind Power Association (FWPA) - Finland
- First Climate Zurich - Switzerland
- Fitzpatrick Woods Consulting - Australia
- Flemish Environmental Agency - Belgium
- Flint Trafford - Australia
- Florida Solar Energy Center (FSEC) - United States
- FONAM (FONAM) -
Peru - Fondeole (Fondeole) - France
- Food and Agriculture Organization of the United Nations (FAO) - Italy
- Foreign & Commonwealth Office (FCO) - United Kingdom
- Foreign Investment Promotion Agency of Bosnia and Herzegovina (FIPA) - Bosnia and Herzegovina
- Forestry Institute -
Macedonia (FYR) - Fortis Bank/Energy & Utilities Group (Fortis Bank/Energy & Utilities Group) - United Kingdom
- Foundation for Development Cooperation (FDC) - Australia
- Foundation for International Environmental Law and Development (FIELD) - United Kingdom
- France Energie Eolienne (FEE) - France
- Fraunhofer Institute for Environmental, Safety and Energy Technology (Fraunhofer Institute for Environmental, Safety and Energy Technology) - Germany
- Fraunhofer Institute für Solar Energy Systems ISE (Fraunhofer Institute für Solar Energy Systems ISE) - Germany
- Freie Gemeinschaftsbank (Freie Gemeinschaftsbank) - Switzerland
- Fuhe (Hongkong) Electric Development Corp.,Ltd (Fuli Battery) - China
- Fuhrländer AG (Fuhrländer AG) - Germany
- Fundacja Ekofundusz (Fundacja Ekofundusz) - Poland
- Fundmore Merchant Bank (FMB) - Canada
- Future Energy Solutions (Future Energy Solutions) - United Kingdom
- Futuren (Futuren) - Estonia
- Gamesa (Gamesa) - Spain
- Gansu Natural Energy Research Institute (GNERI) - China
- Ganzair (Ganzair) - Hungary
- Garrad Hassan (Garrad Hassan) - United Kingdom
- Garrad Hassan - Australia
- GBMB (GBMB) - Singapore
- GE Jenbacher / GE Energy - United States
- General Electrics Energy (GE Energy) - United States
- Generale Energia S.p.A. (Generale Energia S.p.A.) - Italy
- Generation Solar Renewable Energy Systems Inc. (Generation Solar) - Canada
- Geodynamics Limited (Geodynamics) - Australia
- Georgian National Energy Regulatory Commission (GNERC) - Georgia
- Geothermal Association (Geothermische Vereinigung) (GtV) - Germany
- Geothermal Energy Association (GEA) - United States
- German Energy Agency (DENA) - Germany
- German Institute for Economic Research (DIW) - Germany
- German Investment and Development Company (DEG) - Germany
- German Renewable Energy Association (BEE) - Germany
- German Solar Industry Association (BSW) - Germany
- German Windenergy Association (BWE) - Germany
- German-Australian Chamber of Industry and Commerce (AHK) - Australia
- German-Hellenic Chamber of Industry and Commerce (DGIHK) - Greece
- GH Craft Ltd. - Japan
- Ghana Energy Foundation (EF) - Ghana
- GHD - Australia
- Global Bioenergy Partnership (GBEP) - Italy
- Global Carbon (GC) - Netherlands
- Global Energy Network Institute (GENI) - United States
- Global Forum on Sustainable Energy (GFSE) - Austria
- Global Market Initiative for Concentrating Solar Power (GMI-CSP) - Germany
- Global Network on Energy for Sustainable Development (GNESD) - Denmark
- Global Sustainable Energy Solutions Pty Ltd (GSES) - Australia
- Global Village Cameroon (GVC) - Cameroon
- Global Village Energy Partnership International (GVEP) - United Kingdom
- Global Wind Energy Council (GWEC) - Belgium
- Go Solar Africa (Femi Oye) - Nigeria
- Going Solar (Going Solar) - Australia
- Good Energies (Good Energies) - Switzerland
- Government Institute for Economic Research (VATT) - Finland
- Government of Hong Kong - China
- Govind Gramin Vikas Pratishthan (GOGVIP) - India
- Göteborg Energi - Sweden
- Grain Processing Ind. Pvt. Ltd. (Grain Processing Ind. Pvt. Ltd. ) - India
- Grameen Shakti - Bangladesh
- Grameen Shakti Development of Renewable Energy Resources for Poverty Alleviaton (Grameen Shakti) - United States
- Grazia Equity GmbH (Grazia Equity GmbH) - Germany
- Great Lakes Hydro Income Fund (Great Lakes Hydro) - Canada
- Greek Association of RES Electricity Producers (GAREP) - Greece
- Greek Solar Industry Association (EBHE) - Greece
- Green Bank Environmental - Australia
- Green Building Press - United Kingdom
- Green Communities Canada - Canada
- Green Earth Solutions Pty Ltd - Australia
- Green Energy (Green Energy) - Germany
- Green Energy Capital - Australia
- Green Energy News Inc. (Green Energy News Inc.) - United States
- Green Gas International (Green Gas) - United Kingdom
- Green Heat Global (GHG) - Canada
- Green Markets International, Inc. (Green Markets International) - United States
- Green Power Labs Inc. (Green Power Labs) - Canada
- Green Prices / Green Energy in Europe (Green Prices) - Netherlands
- Green Rock Energy Limited - Australia
- Greenbank Capital (Greenbank Capital) - Australia
- Greenergy Future Power (Greenergy) - Hungary
- Greenfield Consulting Ltd - Finland
- GreenField Ethanol (GreenField Ethanol) - Canada
- Greenhouse Gas Reduction Scheme (Greenhouse Gas Reduction Scheme) - Australia
- Greenhouse Gas Reduction Scheme / Independent Pricing and Regulatory Tribunal of NSW (IPART) - Australia
- Greenlight Technology Group (GLTG) - Australia
- GreenMicrofinance (GMf) - United States
- Greenpeace Australia Pacific - Australia
- Greenpeace China - China
- Greenpeace International (Greenpeace) - Netherlands
- greenplanet4energy - United States
- GreenPrices (GP) - Netherlands
- GreenRock Energy (GreenRock Energy) - United Kingdom
- Greenstone Carbon Management - United Kingdom
- Greentech energy systems (Greentech energy systems) - Denmark
- GreenVenture Partners (GreenVenture Partners) - Brazil
- Greenwave Products Pvt. Ltd. (Performance Enhancement Lubricants) - India
- Greenworld (Greenworld) - Australia
- Group for Renewable Energy, Environment and Solidarity (GERES) - France
- Group for Renewable Energy, Environment and Solidarity (GERES) - Cambodia
- GSNA Worldwide (GSNA WW) - India
- GtripleC - Australia
- Guam Energy Office, Government of Guam - United States
- Guam Power Authority (GPA) - United States
- Guanajuato Council of Science and Technology (CONCYTEG) -
Mexico - Guangzhou HYenergy Co., Ltd. (HYenergy) - China
- Guangzhou Institute of Energy Conversion (GIEC) - China
- HAASE Energietechnik Group (HAASE Energietechnik Group) - Germany
- Halo Energy (Halo Energy) - Germany
- Heat & Power s.r.l. (Heat & Power s.r.l. ) - Italy
- HEDON Household Energy Network (HEDON Household Energy Network) - United Kingdom
- Helenic Ministry for the Environment, Physical Planning and Public works - Greece
- HELIO International (HELIO) - France
- Helix Wind - United States
- Hellenic Association of Photovoltaic Companies (Helapco) - Greece
- HELVETAS Swiss Intercooperation - Switzerland
- HEP (HEP) - Croatia
- HEP ESCO (HEP ESCO) - Croatia
- Hese Biogas (Hese Biogas) - Germany
- Heyde Windtechnik (Heyde Windtechnik) - Germany
- High Technology Expo LTD. - Greece
- Hinicio (Hinicio) - Belgium
- Hoelzl-Engineering Ltd. - Austria
- Holux (Holux) - Hungary
- Home Energy Magazine - United States
- Honeywell International (Honeywell International) - United States
- Hongkong Electric Company (HK Electric) - China
- Horizon Power - Australia
- Horizon Shelters Pvt. Ltd. (HSPL) - India
- House of Representatives - Select Committee on Energy Independence and Global Warming - United States
- Humane Society International - Australia
- Hungarian Biomass Association (HBA) - Hungary
- Hungarian Biomass Association (Hungarian Biomass Association) - Hungary
- Hungarian Energy Office (MEH / HEO) - Hungary
- Hungarian Scientific Society of Energy Economics (ETE) - Hungary
- Hydraulics and Maritime Research Centre (Hydraulics and Maritime Research Centre) - Ireland
- Hydro Tasmania - Australia
- Hydroxpert - France
- IBC SOLAR AG (IBC SOLAR AG) - Germany
- IBCOenerg - Romania
- Iberdrola (Iberdrola) - Spain
- ICARVS (ICARVS) - Mexico
- Icecap Ltd. (icecap) - United Kingdom
- ICEDD (ICEDD) - Belgium
- Iceland GeoSurvey (ISOR) -
Iceland - Icelandic New Energy - Iceland
- ICRA Management Consulting Services Limited (IMaCS) - India
- IDEX group (IDEX group) - France
- IDSS - International Development Support Services - Indonesia
- IEA Advanced Fuel Cells (Implementing Agreement) - United Kingdom
- IEA Bioenergy (Implementing Agreement) - New Zealand
- IEA Buildings and Community Systems (Implementing Agreement) (ECBCS) - France
- IEA Demand-Side Management (Implementing Agreement) (IEA DSM) - Sweden
- IEA District Heating and Cooling (Implementing Agreement) - France
- IEA Efficient Electrical End Use Equipment (Implementing Agreement) - France
- IEA Energy Conservation through Energy Storage (Implementing Agreement) (ECES IA) - Germany
- IEA Geothermal Energy (Implementing Agreement) - New Zealand
- IEA Heat Pumping Technologies (Implementing Agreement) - Sweden
- IEA Hydrogen (Implementing Agreement) - United States
- IEA Hydropower (Implementing Agreement) - Australia
- IEA Ocean Energy Systems (Implementing Agreement) - Portugal
- IEA Photovoltaic Power Systems Programme (Implementing Agreement) (IEA PVPS) - Switzerland
- IEA Renewable Energy Technology Development (Implementing Agreement) (IEA RETD) - Netherlands
- IEA Solar Heating and Cooling (Implementing Agreement) - United States
- IEA SolarPACES (Implementing Agreement) - Spain
- IEA Wind Energy Systems (Implementing Agreement) (IEA Wind) - United States
- IEEE Spectrum - United States
- IFE (IFE) - Germany
- Impax Group (Impax Group) - United Kingdom
- Imperial College London (Imperial College) - United Kingdom
- IMPSA (IMPSA) - Argentina
- Independent Power Producers Forum (IPPF) - China
- Independent Pricing and Regulatory Tribunal of New South Wales (IPART) - Australia
- Indian Renewable Energy Development Agency Ltd (IREDA) - India
- Indian Wind Energy Association (InWEA) - India
- Indian Wind Turbine Manufacturers Association (IWTMA) - India
- Indiana Utility Regulatory Commission (IURC) - United States
- INDIGGO (INDIGGO) - France
- Indira Gandhi Institute of Development Research (IGIDR) - India
- Industrial Development Bank of India (IDBI) - India
- INEO (INEO) - France
- Infrastructure Development Company Limited (IDCOL) - Bangladesh
- Innotech (Innotech ) - Germany
- Innovation Energie Developpment (IED) - France
- Instal Bialystok (Instal Bialystok) - Poland
- Institut Jozef Stefan (IJS) - Slovenia
- Institut Jozef Stefan Energy Efficiency Centre (Institut Jozef Stefan Energy Efficiency Centre) - Slovenia
- Institut Luxembourgeois de Régulation (ILR) - Luxembourg
- Institute for Energy Diversification and Saving (IDAE) - Spain
- Institute for Energy Economics, Bariloche Foundation (IDEE) - Argentina
- Institute for Energy Technology, University of Malta (Institute for Energy Technology, University of Malta) - Malta
- Institute for Power Engineering of Academy of Sciences of Republic of (Institute for Power Engineering) - Moldova
- Institute for Studies and Power Engineering (ISPE) - Romania
- Institute for Studies of the Integration of Systems (ISIS) - Italy
- Institute for Sustainable Futures - Australia
- Institute for Sustainable Power (ISP) - United States
- Institute of Development Studies (IDS) - United Kingdom
- Institute of Physical Energetics Latvian Academy of Sciences (IPE-LAS) - Latvia
- Institutt for Energiteknikk (IFE) - Norway
- Intelligent Sensing Anywhere (ISA) - Portugal
- Inter-American Development Bank Group (IDB) - United States
- Interconexión Eléctrica S.A. E.S.P (ISA) -
Colombia - Interenergoresurs Ltd (IER) - Slovakia
- Interministerial Commission on Global Climate Change - Brazil
- Internat Energy Solutions (Internat Energy Solutions) - France
- International Consulting Group - Indonesia
- International Consulting on Energy (International Consulting on Energy) - France
- International Council for Local Environmental Initiatives (ICLEI) - Canada
- International Economic Platform for Renewable Energies (IWR) - Germany
- International Emissions Trading Association (IETA) - Switzerland
- International Energy Agency (IEA) - France
- International Energy Agency Demand Side Management Program (IEADSM) - Sweden
- International Energy Foundation (IEF) - Canada
- International Energy Initiative (IEI) - United States
- International Finance Corporation (IFC) - United States
- International Finance Corporation, Commercialising Energy Efficiency Initiative (IFC-CEEF) - United States
- International Financial Consulting Ltd. (IFC) - Canada
- International Geothermal Association (IGA) - Iceland
- International Hydropower Association (IHA) - United Kingdom
- International Institute for Applied Systems Analysis (IIASA) - Austria
- International Institute for Energy Conservation (IIEC) - United States
- International Institute for Environment and Development (IIED) - United Kingdom
- International Institute for Industrial Environmental Economics, Lund University (iiiee) - Sweden
- International Institute for Sustainable Development (IISD) - Canada
- International Monetary Fund (IMF) - Afghanistan
- International Network for Sustainable Energy (INFORSE) - Denmark
- International Network on Small Hydro Power (IN-SHP) - China
- International Partnership for the Hydrogen Economy (IPHE) - United States
- International Relations Department (IDAE) - Spain
- International Renewable Energy Agency (IRENA) - United Arab Emirates
- International Solar Energy Society (ISES) - Germany
- International Sustainable Energy Organization for Renewable Energy and Energy Efficiency (ISEO) - Switzerland
- International Union for Conservation of Nature (IUCN) - Fiji
- Interstate Renewable Energy Council (IREC) - United States
- Intervent (Intervent) - France
- Intrinergy - United States
- Inventure Chemicals - United States
- Invest Australia (Invest Australia) - Australia
- Invest in China - China
- Iogen Corporation (Iogen Corporation) - Canada
- Iowa Utilities Board (IUB) - United States
- Iran Energy Efficiency Organization (IEEO - SABA) -
Iran - Irish Bioenergy Association (IrBEA) - Ireland
- Irish Wind Energy Association (IWEA) - Ireland
- ISAGEN - Colombia
- Ishikawajima-Harima Heavy (Ishikawajima-Harima Heavy) - Japan
- Isofoton (Isofoton) - Spain
- Israel Renewable Energy Cooperative (IREC) -
Israel - IT Energy (IT Energy) - Denmark
- IT Power - United Kingdom
- IT Power Australia Pty Ltd - Australia
- IT Power Climate Change Consulting - United Kingdom
- Italian National Agency for New Technologies, Energy and the Environment (ENEA) - Italy
- Italian Photovoltaic Industry Association (GIFI) - Italy
- Italian Regulatory Authority for Electricity and Gas (AEEG) - Italy
- Izuba (Izuba) - France
- Jamaica Public Service Company Limited -
Jamaica - Japan for Sustainability (JFS) - Japan
- Japan International Cooperation Agency (JICA) - Japan
- Japan New Energy and Industrial Techn. Development Organisation (NEDO) - Japan
- Japan Wind Development Co Ltd (Japan Wind Development) - Japan
- Jatropha Pepinye - United States
- Jiangyin Lutong Industrial Co., Ltd. (Jiangyin Lutong Industrial) - China
- Jiaxing New Light Solar Power Technology (New Light) - China
- Johannesburg Renewable Energy Coalition (JREC) - Belgium
- Johnson Controls - United States
- Józsa Ltd. (Józsa Kft.) - Hungary
- Jupiter Aluminum / Jupiter Oxygen - United States
- Juwi (Juwi) - Germany
- KA Contracting CR, s.r.o. (KA Contracting CR, s.r.o.) - Czech Republic
- Kachan & Co. (Kachan) - Canada
- Kaneka (Kaneka) - Japan
- Karnataka Renewable Energy Development Ltd. (KREDL) - India
- Kema Consulting (Kema ) - Netherlands
- Kenergie (Kenergie) - Algeria
- KenTec (KenTec) - Denmark
- KfW Bankengruppe (KfW) - Germany
- KHAULA empowering community enterprises - Indonesia
- Kinesis Pty Ltd - Australia
- King Abdulaziz City for Science and Technology ( KACST) - Saudi Arabia
- Kipcalor (Kipcalor) - Hungary
- KIPCALOR Energetics Limited Liability Company - Hungary
- Kipszer (Kipszer) - Hungary
- KITE Innovating Energy Solutions (KITE) - Ghana
- KMW Biomass Energy Technology (KMW) - Canada
- Knetic Renewables Ltd - Australia
- Kokonut Pacific Pty Ltd - Australia
- Kommunalkredit Public Consulting (KPC) - Austria
- Komterm energy services (Komterm ) - Czech Republic
- Korea Electric Power (Kepco) -
Korea - Korea Gas Corporation (KOGAS) - Korea
- Korea Institute of Energy Research (KIER) - Korea
- Korean Energy Economics Institute (KEEI) - Korea
- Kosrae Utilities Authority (KUA) - Micronesia
- KPS Partners, LLC (KPS) - United States
- Kreidl (Kreidl) - Austria
- kW Engineering, Inc. (kW Engineering) - United States
- Kyocera Solar (Kyocera Solar) - Japan
- La Compagnie du Vent (La Compagnie du Vent) - France
- LABELEC, Electricity of Portugal (edp) - Portugal
- LaGuardia Foundation (LaGuardia Foundation) - United States
- Lahmeyer International (Lahmeyer International) - Germany
- Landcare CarbonSMART - Australia
- Landis+Gyr AG - Switzerland
- Landmark (Landmark) - Germany
- Latvian Environmental Investment Fund (LVIF) - Latvia
- Lawrence Berkeley National Laboratory (Berkeley Lab) - United States
- Lebanese Association for Energy Control & Environment (ALMEE) - Lebanon
- Leonardo ENERGY (Leonardo ENERGY) - Belgium
- Leonardo Venablers - Spain
- Les Compagnons d'Eole (Les Compagnons d'Eole) - Belgium
- Lignol (Lignol) - Canada
- Lithuanian Energy Agency (Lithuanian Energy Agency) - Lithuania
- Lithuanian Energy Institute (LEI) - Lithuania
- Lithuanian National Control Commission for Prices and Energy (NCC) - Lithuania
- Lithuanian Wind Energy Association (Lithuanian Wind Energy Association) - Lithuania
- Live & Learn - Environmental Education - Australia
- Live & Learn Environmental Education - Australia
- LLW Trading LLC - United States
- Local Governments for Sustainability (ICLEI) - Australia
- London Asia Group - China
- Low Carbon Cities Initiative - United Kingdom
- Low Carbon Vehicle Partnership (Low Carbon Vehicle Partnership ) - United Kingdom
- Low Energy Supplies and Services Pty Ltd - Australia
- Ludwig-Bolkow-Systemtechnik GmbH (LBST) - Germany
- Lumina Decision Systems, Inc. - United States
- Lunar Energy (Lunar Energy) - United Kingdom
- M/S.Encon Energy Concepts (p) Ltd (Encon) - India
- Macedonian Centre on Energy Efficiency (MACEF) - Macedonia (FYR)
- Mag-Wind Company LLC. (Mag-Wind) - United States
- Magazine on Energy, the Environment and Sustainable Development (Revista ENERGIA) - Portugal
- Maharashtra Energy Development Agency (MEDA) - India
- Maine Public Utilities Commission (MPUC) - United States
- Making Solar Work (MSK Corporation) - Japan
- Mali-Folkecenter (MFC) -
Mali - Malta Resources Authority (MRA) - Malta
- ManagEnergy (ManagEnergy) - Belgium
- Marek Witkowski - Poland
- Marine Current Turbines (MCT) - United Kingdom
- Marine Energy Technology (MAETEC) - United States
- Marshalls Energy Company -
Marshall Islands - Marubeni (Marubeni) - Japan
- Maskell Productions Limited - New Zealand
- Matrix Energy Inc. - Canada
- Matsushita Ecology Systems Co. Ltd. - Japan
- MBTRE sas (MBTRE sas) - Italy
- Mediterranean Association of the National Agencies for Energy Conservation (MEDENER) - Greece
- Mediterranean Energy and Ecology Center (MEEC) - Israel
- Mediterranean Environmental Technical Assistance Program (METAP) - United States
- Mediterranean Renewable Energy Center (MEDREC) -
Tunisia - MEMC Electronic Materials, Inc. (MEMC) - United States
- MENA-Sun (MENA-Sun) - Germany
- Menert (Menert) - Slovakia
- Merchantfin Srl (Merchantfin Srl) - Italy
- Merryll Lynch New Energy Technology plc. (Merryll Lynch New Energy Technology plc.) - United Kingdom
- Met Office - United Kingdom
- Metro Power Company - Australia
- Mexiko-Embassy in Nairobi (Mexiko-Embassy in Nairobi) - Nigeria
- Micro Energy International (Micro Energy-Project) - Germany
- MicroEnergy Credits - United States
- microgenerators - Australia
- Middle East Desalination Research Center (MEDRC) -
Oman - Midwest Energy Efficiency Alliance (MEEA) - United States
- Ministry for Environment - Romania
- Ministry for Economic Development – Energy Sector -
Montenegro - Ministry for Energy and Renewable Energy, Energy division -
Cook Islands - Ministry for Environment and Water (KöM) - Hungary
- Ministry for forest, nature and landscape (AWNL) -
Liechtenstein - Ministry for Minerals and Energy - South Africa
- Ministry for National Development and Economy - Hungary
- Ministry for Nature and the Environment -
Mongolia - Ministry for Resources and Infrastructure - Malta
- Ministry for Resources and Rural Affairs (MRRA) - Malta
- Ministry for the Environment - New Zealand
- Ministry for the Environment - Iceland
- Ministry for the Environment, Land and Sea - Italy
- Ministry of Agriculture, Forests, Water and Environment (MAPAM) - Romania
- Ministry of Commerce Industry and Labour (MCIL) - Samoa
- Ministry of Commerce, Industry and Resources -
Nauru - Ministry of Commerce, Industry and Tourism, Energy Section (MCIT) - Cyprus
- Ministry of Development - Department of Energy & Natural Resources: - Greece
- Ministry of Ecology and Natural Resources (MENR) - Moldova
- Ministry of Ecology and Natural Resources of the Republic of Azerbaijan -
Azerbaijan - Ministry of Ecology and Sustainable Development (MEED) - France
- Ministry of Economic Affairs and Communications, Energy Efficiency and Renewables Division Energy Department - Estonia
- Ministry of Economic Development - Ministry of Economic Development - Energy and Communications Branch - New Zealand
- Ministry of Economic Development and Trade - Russian Federation
- Ministry of Economic Development, Energy and Environment Group (MED) - New Zealand
- Ministry of Economy - Poland
- Ministry of Economy (MoEc) - Slovakia
- Ministry of Economy -
Belarus - Ministry of Economy - Macedonia (FYR)
- Ministry of Economy -
Ukraine - Ministry of Economy and Commerce (MEC) - Romania
- Ministry of Economy and Energy (Ministry of Economy and Energy) - Bulgaria
- Ministry of Economy and Production (MECON) - Argentina
- Ministry of Economy, Labour and Entrepreneurship - Croatia
- Ministry of Economy, Trade and Energy (METE) - Albania
- Ministry of Economy, Trade and Industry (METI) - Japan
- Ministry of Employment and the Economy - Finland
- Ministry of Energy (MOEN) - Thailand
- Ministry of Energy - Kenya
- Ministry of Energy - Belarus
- Ministry of Energy -
Armenia - Ministry of Energy - Ghana
- Ministry of Energy (SENER) - Mexico
- Ministry of Energy & Infrastructure, Ontario - Canada
- Ministry of Energy and Hydrocarbon (MEH) -
Bolivia - Ministry of Energy and Mineral Development - Uganda
- Ministry of Energy and Mineral Resources (MEMR) -
Jordan - Ministry of Energy and Mines - Peru
- Ministry of Energy and Mines - Guatemala
- Ministry of Energy and Mining - Brazil
- Ministry of Energy and Mining (MEM) - Algeria
- Ministry of Energy and Natural Resources - Turkey
- Ministry of Energy and Water -
Angola - Ministry of Energy, Mines and Industries - Senegal
- Ministry of Energy, Mining and Industry - Bosnia and Herzegovina
- Ministry of Enterprise, Energy and Communications - Sweden
- Ministry of Environment - India
- Ministry of Environment - Colombia
- Ministry of Environment - Ecuador
- Ministry of Environment -
Grenada - Ministry of Environment - Guatemala
- Ministry of Environment (MDE) -
Haiti - Ministry of Environment -
Tonga - Ministry of Environment (SEAM) -
Paraguay - Ministry of Environment - Lebanon
- Ministry of Environment - Iraq
- Ministry of Environment - Latvia
- Ministry of Environment - Lithuania
- Ministry of Environment (MOE) - Cambodia
- Ministry of Environment - Korea
- Ministry of Environment - Czech Republic
- Ministry of Environment (KLH) - Indonesia
- Ministry of Environment - Slovakia
- Ministry Of Environment & Forest (MoEF) - Bangladesh
- Ministry of Environment & Wildlife -
Botswana - Ministry of Environment and Energy (MINAE) - Costa Rica
- Ministry of Environment and Natural Resources -
El Salvador - Ministry of Environment and Natural Resources -
Sri Lanka - Ministry of Environment and Sustainable Development - Argentina
- Ministry of Environment and Water - Bulgaria
- Ministry of Environment, Natural Resources and Wildlife - Kenya
- Ministry of Environment, Science & Technology -
Nepal - Ministry of Environment, Science & Technology - Ghana
- Ministry of Environment, Science and Technology (MOST) - Nepal
- Ministry of Environment, Science, and Technology (MoSTE) - Nepal
- Ministry of Environment, Spatial Planning and Energy - Slovenia
- Ministry of Environmental Protection and Physical Planning - Montenegro
- Ministry of Environmental Protection and Physical Planning and Construction - Croatia
- Ministry of Finance - Portugal
- Ministry of Finance (BMF) - Germany
- Ministry of Finance - Finland
- Ministry of Finance - Poland
- Ministry of Finance - Belarus
- Ministry of Finance (MoF) - Japan
- Ministry of Finance - Czech Republic
- Ministry of Finance - Thailand
- Ministry of Finance - Samoa
- Ministry of Finance, Economic Planning and Policy Division, Energy unit - Samoa
- Ministry of Finance, National Planning and Sugar Industry - Fiji
- Ministry of Foreign Affairs - Norway
- Ministry of Housing and Local Government (KPKT) -
Kiribati - Ministry of Housing and Urban-Rural development (MOHURD) - China
- Ministry of Housing, Spatial Planning and the Environment (VROM) - Netherlands
- Ministry of Housing, Transport and Environment. -
Maldives - Ministry of Industry and Energy - Russian Federation
- Ministry of Industry and Infrastructure - Moldova
- Ministry of Industry and Trade (MPO) - Czech Republic
- Ministry of Industry, Energy & Tourism - Iceland
- Ministry of Industry, Mining and Energy - Albania
- Ministry of Industry, Tourism and Trade - Italy
- Ministry of Knowledge Economy (MKE) - Korea
- Ministry of Land and Environment - Jamaica
- Ministry of Lands, Geology, Mines, Water Resources, Energy & Environment, Energy Unit -
Vanuatu - Ministry of Lands, Survey, Natural Resources & Environment, Energy Planning Unit - Tonga
- Ministry of Mines and Energy - Brazil
- Ministry of Mines, Energy and Rural Electrification -
Solomon Islands - Ministry of Mines, Natural Resources & Environmental Affairs -
Malawi - Ministry of Mining and Energy -
Serbia - Ministry of Natural Resources -
Malaysia - Ministry of Natural Resources and Environment - Samoa
- Ministry of Natural Resources and Environment Thailand - Thailand
- Ministry of Natural Resources and Environment, Renewable Energy Division - Samoa
- Ministry of Natural Resources and Environmental Protection - Belarus
- Ministry of Natural Resources and the Environment (MNREI) - Belize
- Ministry of Natural Resources, Energy and Environment -
Tuvalu - Ministry of Nature Protection - Armenia
- Ministry of Physical Development, Housing and Environment - St. Lucia
- Ministry of Public Infrastructure, Industries, and Commerce, Bureau of Public Works, Energy Department -
Palau - Ministry of Public Work and Utilities - Kiribati
- Ministry of Regional Development and Public Works - Bulgaria
- Ministry of Resources and Development - Marshall Islands
- Ministry of Science and Technology (Ministry of Science and Technology) - China
- Ministry of State for Environmental Affairs - Egypt
- Ministry of Sustainable Development - Bolivia
- Ministry of the Environment - Czech Republic
- Ministry of the Environment - Poland
- Ministry of the Environment - Luxembourg
- Ministry of the Environment - Japan
- Ministry of the Environment - Norway
- Ministry of the Environment - Israel
- Ministry of the Environment - Finland
- Ministry of the Environment - Estonia
- Ministry of the Environment - Turkey
- Ministry of the Environment and Water Resources (Climate Change & Projects) (MEWR) - Singapore
- Ministry of the Environment, Conservation, Agriculture and Consumer Protection of the State of North Rhine-Westphalia (MUNLV) - Germany
- Ministry of Tourism and Antiquities - Jordan
- Ministry of Tourism and Environment, Environment Division -
Antigua and Barbuda - Ministry of Tourism, Environment and Culture -
Lesotho - Ministry of Trade - Belarus
- Ministry of Trade and Industry - Norway
- Ministry of Transport and Communications - Macedonia (FYR)
- Ministry of Transport and Energy - Denmark
- Ministry of Treasury - Poland
- Ministry of Works and Energy - Tuvalu
- Ministry Public Works, Telecommunications and The Environment - Antigua and Barbuda
- Minnesota Public Utilities Commission (PUC Minnesota) - United States
- Mitcon Consultancy Services Limited - India
- Mitsubishi Power Systems - United States
- MLC energy (MLC energy) - United Kingdom
- Monash University - Monash Sustainability Institute - Australia
- Monash University School of Geography and Environmental Science (SGES) - Australia
- Montana Public Service Commission (PSC Montana) - United States
- Moreland Energy Foundation Limited (MEFL) - Australia
- Moroccan Center for development of Renewable Energies (CDER) - Morocco
- Mosaico Network (Mosaico) - United States
- Motech - Taiwan
- MOTIVA (MOTIVA) - Finland
- Municipal Network for Energy Efficiency (MUNEE) -
Worldwide - MVV Energie CZ s.r.o. (MVV Energie CZ s.r.o.) - Czech Republic
- Nanjing Jie Yang Da Electric Appliances Co - China
- NASDAQ OMX Commodities - United Kingdom
- National Association of State Energy Officials (NASEO) - United States
- National Australia Bank Limited (NabCapital) - Australia
- National Biodiesel Board (NBB) - United States
- National Commission for the Conservation of Energy (AEAEE) - Mexico
- National Conference of State Legislatures (NCSL) - United States
- National Council of Environment - Peru
- National Development and Reform Commission - Office of National Coordination Committee on Climate Change (NDCR) - China
- National Development Bank of Palau (NDBP) - Palau
- National Electricity Manufacturers Association (NEMA) - United States
- National Eletric Power (NEPCO) - Jordan
- National Energy Action (NAE) - United Kingdom
- National Energy Authority (OS) - Iceland
- National Energy Commission (CNE) - Spain
- National Energy Commission (CNE) - Chile
- National Energy Conservation Agency (KAPE) - Poland
- National Energy Foundation (NEF) - United Kingdom
- National Energy Regulator of South Africa (NERSA) - South Africa
- National Energy Research Center (NERC) - Jordan
- National Environment Agency - Singapore
- National Environment Commission (NEC) -
Bhutan - National Environmental Research Institution (NERI) - Denmark
- National Framework for Energy Efficiency (NFEE) - Australia
- National Hydrogen Association (NHA) - United States
- National Hydropower Association (NHA) - United States
- National Institute for Energy Efficiency (INEE) - Brazil
- National Institute of Engineering, Technology and Innovation (INETI) - Portugal
- National Institute of Environmental Research (NIER) -
Korea, Dem. People's Rep. - National Meteorological Service (NMS) - Belize
- National Oceanic & Atmosperic Administration (NOAA) - United States
- National Renewable Energy Laboratory (NREL) - United States
- National Solar Energy Association (ANES ) - Mexico
- National Trust EcoFund (National Trust EcoFund) - Bulgaria
- Naturol Bioenergy Ltd - India
- Nedalo Ener-g BV (Nedalo Ener-g BV) - Netherlands
- Nederlandse Wind Energie Associatie (NWEA) - Netherlands
- NEGAWATT (NEGAWATT) - Belgium
- NEPC India (NEPC India) - India
- Netherlands Agency for Energy and the Environment (SenterNOVEM) - Netherlands
- Netherlands Competition Authority, Office of Energy Regulation (NMa / DTe ) - Netherlands
- Netherlands Development Finance Company (FMO) - Netherlands
- Netherlands Senter Novem (Senter Novem) - Netherlands
- Network of Regional Governments for Sustainable Development (nrg4SD) - Spain
- New and Renewable Energy Authority (NREA) - Egypt
- New Energies Invest AG, Bank Sarasin (New Energies Invest AG, Bank Sarasin ) - Switzerland
- New Energy Chamber of Commerce (New Energy Chamber of Commerce) - China
- New England Solar Power - Australia
- New Jersey Board of Public Utilities (BPU) - United States
- New Mexico Public Regulation Commission (NMPRC) - United States
- New Uses Council (NUC) - United States
- New York State Department of Public Service (PSC) - United States
- New Zealand Aid Programme, Ministry of Foreign Affairs and Trade - New Zealand
- New Zealand Energy Efficiency and Conservation Authority (EECA) - New Zealand
- New Zealand Wind Energy Association (NZWEA) - New Zealand
- Nexant Inc. (Nexant) - United States
- Nextek Power Systems (NPS) - United States
- Nexus - Singapore
- NIBC BANK N.V. (NIB) - Netherlands
- Nigerian National Petroleum Corporation (NNPC) - Nigeria
- Ningbo maxsolar co.,ltd (maxsolar) - China
- Niue Power Corporation -
Niue - Nordex (Nordex) - Germany
- Nordic Environment Finance Corporation (NEFCO) - Finland
- Nordic Folkecenter for Renewable Energy (Nordic Folkecenter for Renewable Energy ) - Denmark
- Norsk Energi (Norsk Energi) - Norway
- Norsk Hydro Technology Ventures (Norsk Hydro Technology Ventures) - Norway
- North American Insulation Manufacturers Association (NAIMA) - United States
- North American Insulation Manufacturers Association, Canada (NAIMA, Canada) - Canada
- North Energy Associates - United Kingdom
- Norvento Enerxia (Norvento Enerxia) - Spain
- Norwegian Agency for Development Cooperation (Norad) - Norway
- Norwegian Association of Energy Users and Suppliers (Norsk Energi) - Norway
- NOZON Technologies - Belgium
- NPC Incorporated - Japan
- nrgmagnet llc - United States
- NRW Energy Agency (NRW Energy Agency) - Germany
- NRW State Initiative on Future Energies (LZE) - Germany
- Nuon (Nuon) - Netherlands
- O.Ö. Energiesparverband (O.Ö. Energiesparverband) - Austria
- OAO RAO "UES of Russia" - Russian Federation
- Observatoire Méditerranéen de la Maîtrise de l´Energie (OME) - France
- Ocean Energy Limited (AWS ) - United Kingdom
- Ocean Energy Ltd. (Ocean Energy Ltd.) - Ireland
- Ocean Renewable Energy Group (OREG) - Canada
- Oekoplan Energiedienstleistungen GesmbH (Oekoplan Energiedienstleistungen GesmbH) - Austria
- Office of Climate Change & Environmental Sustainability (OCC&ES) - Papua New Guinea
- Office of Energy Efficiency - National Resource Canada (Office of Energy Efficiency) - Canada
- Office of Gas and Electricity Markets (Ofgem) - United Kingdom
- Office of the Renewable Energy Regulator (ORER) - Australia
- Olex - Australia
- omniksolar - China
- OMV Cogeneration (OMV Cogeneration) - Austria
- Ontario Ministry of the Environment (MOE) - Canada
- Ontario Sustainable Energy Association (OSEA) - Canada
- OPEC Fund for International Development (OPEC) - Austria
- Optegy Limited (Optegy) - China
- Oregon Department of Energy - United States
- Organisation for Economic Co-operation and Development (OECD) - France
- Organisation Of American States (OAS) Department of Sustainable Development - United States
- Organisations for the Promotion of Energy Technologies Network (OPET) - Sweden
- Organization of American States (OAS) - United States
- Origin Energy - Australia
- Orissa Renewable Energy Development Agency (OREDA) - India
- Ormat Technologies Inc (Ormat Technologies) - United States
- Osram Asia Pacific Limited (OAPAC) - China
- Overgas (Overgas) - Bulgaria
- Owens Corning - United States
- Öko Institut (Öko Institut) - Germany
- Pacific Hydro - Australia
- Pacific International Center for High Technology Research (PICHTR) - United States
- Pacific Islands Applied Geoscience Commission (SOPAC) - Fiji
- Pacific Islands Forum Secretariat (PIFS) - Fiji
- Pacific Power Association (PPA) - Fiji
- Pacific Regional Infrastructure Facility (PRIF) - Australia
- Packages Limited - Pakistan
- Palau Public Utilities Corporation (PPUC) - Palau
- Palestinian Energy and Environment Research Center (PEC) -
Palestinian Territories - Pammvi Group Of Companies (Intesab Husain) - India
- Panza Path (Panza Path) - South Africa
- Parallax - Sustainable Development Solutions (Parallax) - South Africa
- Partners for Environmental Cooperation in Europe (PECE) - United Kingdom
- Passive House Institute (Passive House Institute) - Germany
- Passive House Platform (PHP) - Belgium
- PCD Tlmace s.r.o. (PCD Tlmace s.r.o.) - Slovakia
- Pelamis Wave Power - Ocean Delivery Power Ltd. (Pelamis) - United Kingdom
- Pelena Energy - Australia
- Pembina Institute for Appropriate Development (PIAD) - Canada
- Pepper Hamilton LLP - United States
- Pfleiderer AG ( Pfleiderer) - Germany
- Philippine Energy Conservation Center - Philippines
- Phocos - Germany
- Phoenix Solar - Singapore
- Photovoltaic Market Transformation Initiative (PVMTI) - United Kingdom
- Photovoltaic Romania - Romania
- Photovoltaics Global Approval Program (PV GAP) - Switzerland
- Planet Capital (Planet Capital) - Netherlands
- Planetary Association for Clean Energy (PACE) - Canada
- PlascoEnergy Group - Canada
- PNG Power Ltd - Papua New Guinea
- Pohnpei Utilities Corporation (PUC) - Micronesia
- Point Carbon (Point Carbon) - Norway
- Polish Biomass Association (POLBIOM) - Poland
- Polish Foundation for Energy Efficiency (FEWE) - Poland
- Polish Fund of Environmental Protection and Water Management (Polish Fund of Environmental Protection and Water Management) - Poland
- Polish Wind Energy Association (wynajmij) - Poland
- Pollution Probe (Pollution Probe) - Canada
- Portuguese Association of Independent Renewable Energy Electricity Producers (APREN) - Portugal
- Portuguese Energy Agency (ADENE) - Portugal
- Portuguese Network of Energy Agencies (RENAE) - Portugal
- Portuguese Solar Industry Association (APISOLAR) - Portugal
- Postbank (Postbank) - Bulgaria
- Powersource Energy Systems Inc. - Canada
- Pöyry Energy GmbH (Pöyry Energy GmbH) - Austria
- Practical Action - United Kingdom
- Practical Action Latin America - Peru
- PRC Global Pte.Ltd (PRCGLOBAL) - Singapore
- Preferred Energy Incorporated (PEI) - Philippines
- Prime Energy Investments (PEI) - Thailand
- Prime New Energy AG (Prime New Energy) - Switzerland
- Prince Energy Consultancy & Solutions (PECS) - India
- Private Energy Market Fund (PEMF) - Finland
- Proesco. Sp. z (Proesco. Sp. z ) - Poland
- Prognos AG (Prognos AG) - Switzerland
- projectioneering - Australia
- Prokaushali Sangsad Ltd (PSL) - Bangladesh
- Promes (Promes) - France
- Prometheus (Prometheus) - Hungary
- Prototype Carbon Fund (PCF) - United States
- PSG College of Technology & Politechnic College (PSG) - India
- PT Gikoko Kogyo Indonesia (Gikoko) - Indonesia
- Public Power Corporation S.A. (PPC S.A.) - Greece
- Public Service Commission of South Carolina (PSC) - United States
- Public Utilities Board (PUB) - Kiribati
- Public Utilities Commission (PUC) - Latvia
- Public Utilities Commission of Nevada (PUCN) - United States
- Public Utilities Regulatory Commission (PURC) - Ghana
- Public Utility Commission of Oregon (PUC Oregon) - United States
- Pusat Tenaga Malaysia (Ptm) - Malaysia
- PV Solar Energy Pty Ltd (PV Solar Energy Pty Ltd) - Australia
- QCells AG (QCells) - Germany
- Qingdao Tianren Environmental Engineering Co., Ltd. China - China
- Queensland University of Technology - Faculty of Built Environment and Engineering / Institute for Sustainable Resources - Australia
- Rabobank (Rabobank) - Netherlands
- Radiant (Radiant) - Hungary
- Rain City Strategies Inc. - Canada
- Rajasthan Renewable Energy Corporation Ltd. - India
- Ramboll - Wind Energy (Ramboll ) - Denmark
- Rarotonga Electricity Authority (TAU) - Cook Islands
- Rational Energy Use and Solutions (REUS) - Belgium
- RBC Capital Markets (RBC Capital Markets) - United Kingdom
- REC ASA (REC) - Norway
- REC Solar - Singapore
- RedFlow International Pty Ltd (Redflow Group) - Australia
- Reduce Invent Optimize (RIO) - Morocco
- ReEx Capital Asia (ReEx) - Singapore
- Refocus - the international renewable energy magazine (Refocus - the international renewable energy magazine) - United Kingdom
- Regional Centre for Energy Policy Research (REKK) - Hungary
- Regional Energy Center of Pazardjik (RECP) - Bulgaria
- Regional Environmental Center (REC) - Hungary
- Regional Environmental Centre for Central and Eastern Europe (REC) - Serbia
- Regulatory Assistance Project (RAP) - United States
- Regulatory Authority for Energy (RAE) - Greece
- Regulatory Commission of Alaska (RCA) - United States
- Regulatory Energy Agency - Montenegro
- Regulatory Office for Network Industries (URSO) - Slovakia
- Reinecke + Pohl Sun Energy AG (Reinecke Pohl Sun Energy) - Germany
- Renco (Renco) - Italy
- Renew The Earth - United States
- Renewable and Sustainable Energy (PT RIAUJAYA MANDIRI BIOENERGI) - Indonesia
- Renewable Energy Access (Renewable Energy Access) - United States
- Renewable Energy and Energy Efficiency Partnership (REEEP) - Austria
- Renewable Energy Association (Renewable Energy Association) - United Kingdom
- Renewable Energy Association Myanmar (REAM) - Myanmar
- Renewable Energy Association of the Philippines - Philippines
- Renewable Energy Certificate System (RECS) - Netherlands
- Renewable Energy Development Company (T) Ltd. (REDCOT) - Tanzania
- Renewable Energy Generators Australia Ltd (REGA) - Australia
- Renewable Energy Holdings (Renewable Energy Holdings) - United Kingdom
- Renewable Energy Information Network (REIN) - Bangladesh
- Renewable Energy International Law Project (REIL) - United States
- Renewable Energy Liaison Committee (CLER) - France
- Renewable Energy Magazine (Renewable Energy Magazine) - United States
- Renewable Energy Nongovernmental Organization Network, Brazil (RENOVE) - Brazil
- Renewable Energy Policy Network for the 21st Century (REN21) - France
- Renewable Energy Policy Project (REPP) - United States
- Renewable Energy Trust - United States
- Renewable Energy Ventures (K) Ltd. (R.E.V.) - Kenya
- Renewable Energy World (Renewable Energy World) - United States
- Renewable Fuel Supply Ltd. (Renewable Fuel Supply Ltd.) - United Kingdom
- Renewable Fuels Association (RFA) - United States
- Renewable Resource Data Center (RReDC) - United States
- REpower (REpower) - Germany
- RES - School of Renewable Energy Science (RES - School of Renewable Energy Science) - Iceland
- Research & Development FORUM BIOGAS (F&E FORUM BIOGAS) - Austria
- Research Center for Energy and Environment (RCEE Vietnam) - Vietnam
- Research Center for Energy, Environment, and Technology (Ciemat) - Spain
- Research Centre for Energy, Transport and Environment Economics (CEEETA) - Portugal
- Research Centre for the Economics of Energy, Transport and the Environment - Portugal
- Research Institute for Electrical Engineering New Energy Sources Laboratory (IPCE) - Romania
- Research Institute for Sustainable Energy (RISE) - Australia
- Residential Energy Efficiency Credit Facility (REECL) - Bulgaria
- Resource Management & Research (RMR) - Kazakhstan
- Resources for the Future (RFF) - United States
- Resources for the Future (RFF) - United States
- RETScreen International - Canada
- REVA Electric Car Company Private Ltd. (RECC) - India
- Régie de l'Energie - Canada
- Riga Technology University (Riga Technology University) - Latvia
- Rigas siltums - Latvia
- Risen Energy Co.,Ltd. (David Hu) - China
- Risoe National Laboratory (Risoe National Laboratory) - Denmark
- Roaring 40s - Australia
- Robeco Milieu Technologie (Robeco Milieu Technologie) - Netherlands
- Rockwool International As (Rockwool International As) - Denmark
- Rocky Mountain Institute (RMI) - United States
- Rolan S.A. de C. V - Mexico
- Romanian Association for Energy Efficiency - Romania
- Romanian Energy Policy Association (APERO) - Romania
- Romanian Energy Regulatory Authority (ANRE) - Romania
- Romanian Fund for Energy Efficiency (FREE) - Romania
- Romanian Industrial Energy Efficiency Company (RAEF) - Romania
- Romanian Photovoltaic Industry Association (RPIA) - Romania
- Rotor Energy - Germany
- RR Energy - Netherlands
- RWE AG (RWE) - Germany
- S.A.G. Solarstrom AG (Solarstrom) - Germany
- Sage Renewable Energy Consulting, Inc. (Sage Renewables) - United States
- Sahara Wind Inc. (Sahara Wind Inc.) - Morocco
- Sai Zhang (CEO) - China
- SANYO Electric Co. Ltd. - Worldwide
- Sattler Energie Consulting GmbH - Austria
- Savoy Association for Renewable Energy (ASDER) - France
- Schatz Energy Research Centre (SERC) - United States
- Schneider Electric (Schneider Electric) - France
- Schneider Electric Conzerv - India
- School of Photovoltaic & Renewable Energy Engineering (School of Photovoltaic & Renewable Energy Engineering) - Australia
- School of Energy and Engineering - Murdoch University - Australia
- Science and Technology Policy Research, University of Sussex (SPRU) - United Kingdom
- Scientific and Research Institute for Energy - Azerbaijan
- Scottish Renewables - United Kingdom
- SDplanNet - Asia&Pacific - Thailand
- Seambiotic - Israel
- Secretariat of the Pacific Community (SPC) - France
- Secretariat of the Pacific Regional Environment Programme (SPREP) - Samoa
- Secretary Philippines (Secretary Philippines) - Philippines
- Senwei - China
- Serbian Chamber of Commerce - Serbia
- Serbian Energy Agency (Serbian Energy Agency) - Serbia
- Serbian Energy Efficiency Agency (SEEA) -
Serbia and Montenegro - SEVEn o.p.s. (SEVEn) - Czech Republic
- SFW s.r.o. (SFW s.r.o.) - Czech Republic
- Sharp Electronics Corporation - Worldwide
- Shenzhen MegaSolar New Energy Technology Co.,ltd (MegaSolar New Energy Technology Co.,ltd) - China
- Shenzhen Solartech Renewable Co.,Ltd (CN) - China
- Shenzhen Solartech Renewable Energy Co., Ltd (Solartech) - China
- Shikoku Electric Power Co. Inc. - Japan
- Siemens Building Technologies AG (SBT) - Switzerland
- Siemens Power Generation (Siemens Power Generation) - Germany
- Sigma Global - Australia
- Sigma Termodynamik Ltd (Sigma Termodynamik Ltd) - Poland
- Sinclair Knight Merz (SKM) - Australia
- Sinergy Energiaszolgáltató, Beruházó és Tanácsadó Kft. (Sinergy Energiaszolgáltató, Beruházó és Tanácsadó Kft.) - Hungary
- Sitix Solar Corporation - Japan
- Slovak Association for Wind Energy (SAVE) - Slovakia
- Slovak Energy Agency (SEA) - Slovakia
- Slovak Ministry of Economy (MHSR) - Slovakia
- Slovenian E-Forum (SE-F) - Slovenia
- SMA Solar Technology AG - Germany
- SMA Technology Australia Ltd. - Australia
- Small Hydropower Association (SPVZ) - Czech Republic
- Small-Scale Sustainable Infrastructure Development Found (SłIDF) - United States
- SMIG solar energy system (SMIG) - China
- Smirscesi s.r.l. (Smirscesi s.r.l.) - Italy
- Societŕ Energetica Aostana (SEA) - Italy
- Society of Energy Engineers And Managers (SEEM) - India
- Société Néo-Calédonienne d’Energie (ENERCAL) - France
- Sofia Energy Agency (Sofena) - Bulgaria
- Solagro (Solagro) - France
- Solar Charger - China
- Solar Charger & Mobile Computing (SOCO) - Italy
- Solar Development Int Ltd - United Kingdom
- Solar Eco Systems (SRL) - Romania
- Solar Electric Light Fund (SELF) - United States
- Solar Electric Power Association (SEPA) - United States
- Solar Energy Alliance (SEA) - United Kingdom
- Solar Energy Centre Denmark (SECD) - Denmark
- Solar Energy For Africa Ltd (SEFA Ltd) - Uganda
- Solar Energy Industries Association (SEIA) - United States
- Solar Energy International - United States
- Solar Energy Quebec (Energie Solaire Québec) - Canada
- Solar Energy Society of Canada Inc. (SESCI) - Canada
- Solar Energy Society of India (SESI) - India
- Solar Energy Society of Portugal (SPES) - Portugal
- Solar fabrik group (Solar fabrik) - Germany
- Solar Foundation - Guatemala
- Solar Integrated Technologies (Solar Integrated Technologies) - United States
- Solar Power Partners (SPP) - United States
- Solar Tech - Tech and Style International (Pvt) Ltd - Pakistan
- Solar Twin Ltd - United Kingdom
- Solar-Gem - Australia
- SolarMaster Technology Co.,Ltd - China
- Solarshine - Afghanistan
- Solartech - China
- Solarworld (Solarworld) - Germany
- Soliclima (Soliclima) - Spain
- Solid Solarinstallation+design - Austria
- Solimpeks Solar Corp. (Solimpeks Solar GmbH) - Germany
- Solomon Islands Electricity Authority (SIEA) - Solomon Islands
- Solon AG (Solon AG) - Germany
- Solutions for Integral Project Planning and Structural Implementation (SPISSIA) - Portugal
- South African National Energy Research Institute (Saneri) - South Africa
- South Dakota Public Utilities Commission (PUC South Dakota) - United States
- South North Development Foundation (SNDF) - India
- South Pacific Business Development (SPBD) - United States
- South Pole Carbon Asset Management - Thailand
- South Pole Carbon Asset Management Ltd. - Switzerland
- Southern African Alternative Energy Association (SAAEA) - South Africa
- Southern African Power Pool (S APP) -
Zimbabwe - Spinwave Systems, Inc. - United States
- SRC INTERNATIONAL (SRC INTERNATIONAL) - Denmark
- Sri Lanka Energy Managers Association (Sri Lanka Energy Managers Association ) - Sri Lanka
- State Energy and Water Regulatory Commission (SEWRC) - Bulgaria
- State Environment Protection Administration (SEPA) - China
- State Environmental Fund (SEF) - Czech Republic
- Statkraft - Norway
- STEAG Saar Energie (STEAG Saar Energie ) - Germany
- STENUM (STENUM) - Austria
- Stockholm Environment Institute (SEI) - United Kingdom
- Strategic Energy Innovations (SEI) - United States
- Stredisko pro úspory energie s.r.o. (Stredisko pro úspory energie s.r.o.) - Czech Republic
- Summerhill Group - Canada
- Sun Empire - Solar Systems - Australia
- Sun Energy Corp. (SEC) - El Salvador
- Sunny Solartech - China
- SunTech Power Australia - Australia
- Sunways Photovoltaic Technology (Sunways Photovoltaic Technology) - Germany
- Sustainability Victoria (SEAV) - Australia
- Sustainable Asset Management (SAM) Private Equity Energy Fund LP Fund Manager (SAM Equity Partners Ltd) - Switzerland
- Sustainable Development Policy Institute (SDPI) - Pakistan
- Sustainable Energy Africa (SEA) - South Africa
- Sustainable Energy and Economy Network (SEEN) - United States
- Sustainable Energy Association (SEAS) - Singapore
- Sustainable Energy Association of Australia (WASEA) - Australia
- Sustainable Energy Coalition (Sustainable Energy Coalition) - United States
- Sustainable Energy Development Center - Russian Federation
- Sustainable Energy Development Office (SEDO) - Australia
- Sustainable Energy for All (SEAL) - Belgium
- Sustainable Energy Ireland (SEI) - Ireland
- Sustainable Energy Partners (SEP) - United States
- Sustainable Energy Ventures (SEV) - Belgium
- Sustainable Homes Ltd. (Sustainable Homes Ltd.) - United Kingdom
- Suzlon (Suzlon) - Germany
- Swedish Bioenergy Association (SVEBIO) - Sweden
- Swedish Energy Agency (STEM) - Sweden
- Swedish Environmental Protection Agency (Swedish EPA) - Sweden
- Swedish Export Credit Corporation (SEK) - Sweden
- Swedish Export Credits Guarantee Board (EKN) - Sweden
- Swedish Wind Energy Association (SVIF) - Sweden
- Swiss Federal Office of Energy (SFOE) - Switzerland
- Swiss Reinsurance Company (Swiss Re) - Switzerland
- Swiss Wind Energy Association (Suisse EOLE) - Switzerland
- Synthetic Genomics - United States
- Syrian Engineering Company for Solar Power (SECSP) -
Syria - Tagaki - United States
- Tahila Group - Fiji
- Tallinn Technical University (Tallinn Technical University) - Estonia
- Tanzania Renewable Energy Association (TAREA) - Tanzania
- Tanzania Traditional Energy Development and Environment Organisation (TADEDO) - Tanzania
- TATHASTU Corporation - India
- Team Catalyst - Australia
- Tearfund - United Kingdom
- Techem spol. s r. o. (Techem spol. s r. o.) - Slovakia
- Tecnalia (Tecnalia) - Spain
- Texas Renewable Energy Industries Association (TREIA) - United States
- The Artic Energy Alliance AEA - Canada
- The Bahamas Environment, Science & Technology Commission -
Bahamas - The Building Owners and Managers Association of Canada - Canada
- The CarbonNeutral Company (The CarbonNeutral Company) - United Kingdom
- The Center for Energy, Clean Development Mechanism & Environment (CECDME) - Mongolia
- The China-U.S. Energy Efficiency Alliance - United States
- The Community Power Fund - Canada
- The Conservation Council of New Brunswick - Canada
- The Danish Organisation for Renewable Energy (OVE) - Denmark
- The Earth Charter Initiative - Costa Rica
- The Energy & Resources Institute (TERI) - India
- The Energy and Resources Institute (TERI) - India
- The Energy and Resources Institute, North America (TERI NA) - United States
- The Energy Market Authority (EMV) - Finland
- The Environmental Magazine (The Environmental Magazine) - United States
- The Euro-Mediterranean Partnership (EuroMed) - Belgium
- The European Alliance of Companies for Energy Efficiency in Buildings (EuroACE) - Belgium
- The Gold Standard - Switzerland
- The Green Emission House (Das Grüne Emissionshaus GmbH) - Germany
- The Institute of Computer Sciences, Social-Informatics and Telecommunications Engineering i.v.z.w. (ICST) - Belgium
- The Institute of Energy Economics, Japan (IEEJ) - Japan
- The Low Income Energy Network LIEN - Canada
- The Ministry of Finance - Norway
- The National Energy Conservation Centre (ENERCON) - Pakistan
- The Nordic Investment Bank (NIB) - Finland
- The Norwegian Solar Energy Society (ISES Norway) - Norway
- The Portuguese Renewable Energy Association (APREN) - Portugal
- The Royal Society (Royal Society) - United Kingdom
- The Solar Energy Consortium (TSEC) - United States
- The Solar Guys - Australia
- The Sustainable Alternatives Network (SANet) - France
- The Trinidad and Tobago Electricity Commission (T&TEC) -
Trinidad and Tobago - The World Bank Group (The World Bank Group) - United States
- Themvu Projects Management and Resources - South Africa
- Third Generation Environmentalism (E3G) - United States
- TMB-Energietechnik (TMB) - Nepal
- Todae - Australia
- Tokyo Electric Power Company (TEPCO) - Japan
- Tonga Electricity Commission - Tonga
- Tonga Energy Road Map (TERM) - Tonga
- Tonga Power Limited (TPL) - Tonga
- Torresolar SRL (Torresolar) - Argentina
- Towngas - China
- Trans Mediterranean Renewable Energy Cooperation (TREC) - Germany
- Transfield Services - Australia
- Transistor Plus Ltd (Transistor Plus Ltd) - Armenia
- Trina Solar - China
- Triodos Bank NV (Triodos Bank NV) - Netherlands
- TRUenergy - Australia
- U.S Environmental Protection Agency - United States
- U.S. Department of Energy (U.S. Department of Energy) - United States
- UBS (Lux) Equity Fund Future Energy (UBS (Lux) Equity Fund Future Energy) - Switzerland
- UCHYTIL s. r. o. (UCHYTIL s. r. o.) - Czech Republic
- UK Business Council for Sustainable Energy (UKBCSE) - United Kingdom
- UK Department for Environment, Food and Rural Affairs (DEFRA) - United Kingdom
- Ukrainian Bioenergy Association (UBA) - Ukraine
- UN International Strategy for Disaster Relief Asia& Pacific (UN ISDR) - Thailand
- UNDP Initiative for Sustainable Energy (UNISE) - United States
- UNELCO Vanuatu Limited - Vanuatu
- UNEP African Rural Energy Enterprise Development (A-REED) - United Arab Emirates
- UNEP Brazil Rural Energy Enterprise Development (B-REED) - Brazil
- UNEP Global Environment Facility (GEF) - United States
- UNEP Risoe Centre on Energy, Climate and Sustainable Development (URC) - Denmark
- UNEP Rural Energy Enterprise Development Initiative (REED) - France
- UNEP Solar and Wind Energy Resource Assessment (SWERA) - United States
- UNEP Sustainable Energy Finance Initiative (SEFI) - France
- Union Fenosa - Australia
- UNION OF CONCERNED SCIENTISTS (UCS) - United States
- Unionbank (Unionbank) - Bulgaria
- United Nations Department of Economic and Social Affairs - Division for Sustainable Energies (UNDESA) - United States
- United Nations Development Programme (UNDP) - United States
- United Nations Development Programme (UNDP) - Fiji
- United Nations Environment Programme (UNEP) - Kenya
- United Nations Environment Programme (UNEP) - Kenya
- United Nations Framework Convention on Climate Change (UNFCCC) - Germany
- United Nations Industrial Development Organisation (UNIDO) - Austria
- United States Agency for International Development (USAID) - United States
- Unitron Energy Systems Pvt. Ltd. - India
- Universal Dynamics Energy Systems Pvt. Ltd (UD Energy Systems Pvt. Ltd.) - India
- University Leaders for a Sustainable Future (ULSF) - United States
- University of Colorado - United States
- University of Hull - United Kingdom
- University of Kassel, WZIII (University of Kassel, WZIII) - Germany
- University of New South Wales School of Photovoltaic and Renwable Energy Engineering - Australia
- University of Rome - Italy
- University of Sussex - United Kingdom
- University of the South Pacific Centre for Environmental and Sustainable Development (PACE SD) - Fiji
- University of Wellington School of Geography, Environment and Earth Sciences (SGEES) - New Zealand
- US Department of Energy, Office of Energy Efficiency and Renewable Energy (DOE EERE) - United States
- Utilities Regulatory Authority (URA) - Vanuatu
- VA TECH Finance GmbH (VA TECH Finance) - Austria
- Valorec Services AG (Valorec Services AG ) - Switzerland
- Value Creation Management BV (Value Creation Management BV) - Netherlands
- Vanuatu Renewable Energy and Power Association (VANREP) - Vanuatu
- Vattenfall - Sweden
- Vencon Management, Inc. (VMI) - United States
- Ventus Funds - United Kingdom
- Vergnet Pacific - France
- Vestas - Denmark
- Vestas - Australia
- Via Expo (VE) - Bulgaria
- Via Expo LTD (Via Expo LTD) - Bulgaria
- Village Renewable Energy Systems (India) P Ltd. (VILLAGEReS) - India
- VING doo - Serbia and Montenegro
- Virtual Energy Forum (VEF2008) - United States
- Vis Venti - Association for Supporting Wind Turbines (Vis Venti) - Poland
- Volunteers International - Australia
- vuje (vuje) - Slovakia
- Warburg Pincus (Warburg Pincus) - United Kingdom
- Warwick Business School (Warwick Business School) - United Kingdom
- Washington Utilities and Transport Commission (WUTC) - United States
- Waste to Energy (W2E) - Singapore
- Water Resources and Energy Directorate (NVE) - Norway
- Wave Dragon ApS (Wavedragon) - Denmark
- Wave Energy (Wave Energy) - Norway
- Wave Energy Centre (WavEC) - Portugal
- WBREDA - India
- WENTZEL Environmental Contracting Ltd. (WEC Ltd.) - Canada
- West African Development Bank (BOAD) -
Togo - West LB (West LB) - Germany
- Whale Power - Canada
- WHEB Ventures Ltd (WHEB Ventures Ltd) - United Kingdom
- Willies Electrical and Solar Power Company - Solomon Islands
- Wind Power - Australia
- Wind Prospect - United Kingdom
- Wind101.net - Afghanistan
- Winrock International - United States
- Winrock International India (NGO) - India
- WIP (WIP) - Germany
- Wolf Theiss - Romania
- Working Committee of Renewable Energy (AEE INTEC) - Austria
- World Alliance for Decentralized Energy (WADE) - United Kingdom
- World Bank Asia Alternative Energy Program (ASTAE) - United States
- World Bank Energy Sector Management Assistance Programme (ESMAP) - United States
- World Business Council for Sustainable Development (WBCSD) - Switzerland
- World Council for Renewable Energy (WCRE) - Germany
- World Energy Council (WEC) - United Kingdom
- World LP Gas Association (WLPGA) - France
- World Renewable Energy Network (WREN) - United Kingdom
- World Resources Institute (WRI) - United States
- World Wildlife Fund (WWF) - Switzerland
- World Wind Energy Association (WWEA) - Germany
- Worldwatch Institute (WWI) - United States
- Wuhu Zhongfu PV Co., Ltd (中府光电) - China
- Wuppertal Institute for Climate Environment and Energy (Wuppertal Institute for Climate Environment and Energy) - Germany
- Xergi A/S - Denmark
- XICS SRL – ESCO DIVISION (XICS SRL – ESCO DIVISION) - Italy
- Yomi (Yomi) - Bulgaria
- YOUNICOS AG - Germany
- Your Earth Pacific - Australia
- Za Zemiata (Za Zemiata) - Bulgaria
- Zenith Energy Services (p) Ltd. - India
- Zhejiang Yihua Green Energy Co., Ltd - China