| 1516 Green Energy Technology Company Ltd | | 2015 | SDG-7 | Vietnam |
| A2P Energy Solution Private Ltd | | 2018 | Clean Energy Generation | India |
| About:Energy | | 2021 | Clean Energy & Storage | United Kingdom |
| AC Biode | | 2019 | Industry | Luxembourg |
| Acacia Innovations Ltd. | Winner | 2016 | SDG-7 | Kenya |
| ACCURE Battery Intelligence GmbH | Winner | 2020 | Energy Distribution & Storage | Germany |
| ACE Green Recycling | | 2021 | Clean Energy & Storage | United States |
| Aceleron Ltd | | 2016 | Energy Distribution & Storage | United Kingdom |
| Acklio | | 2016 | Clean Energy & Storage | France |
| Adaptricity AG | | 2014 | Energy Distribution & Storage | Switzerland |
| aedifion GmbH | | 2017 | | Germany |
| AEInnova | Finalist | 2014 | Clean Energy Generation | Spain |
| Aerodymax Austria Gmbh | | 2022 | Smart Mobility | Austria |
| Aerones Llc | | 2016 | Clean Energy Generation | Latvia |
| AESP Green Energy Inc. | | 2009 | SDG-7 | Canada |
| Africa GreenTec AG | | 2014 | SDG-7 | Germany |
| AgeVolt | | 2019 | Smart Mobility | Slovakia |
| AgriProtein Holdings | Finalist | 2008 | Demand-side innovation | Gibraltar |
| Agrisiti (Maatalous Nasah Int Ltd) | Finalist | 2021 | SDG-7 | Nigeria |
| Agrisoma Biosciences Inc. | | 2001 | Clean Energy Generation | Canada |
| Agrotech Plus | | 2019 | SDG-7 | Kenya |
| Agrotech Plus (ATP) | | 2022 | SDG-7 | Kenya |
| Airborne Power Technologies | | 2023 | SDG-7 | Tanzania |
| Airteam Aerial Intelligence | | 2018 | Buildings & Construction | Germany |
| Akselos S.A. | | 2011 | Energy Distribution & Storage | Switzerland |
| Algbio | | 2021 | Industry | Turkey |
| Allume Energy | Winner | 2015 | Demand-side innovation | Australia |
| Alpha ESS Co., Ltd. | | 2012 | Energy Distribution & Storage | China |
| Alterum (Smart Grid to Business) | | 2014 | SDG-7 | Canada |
| AMMP Technologies B.V. | | 2018 | SDG-7 | Netherlands |
| AMPACIMON | Finalist | 2010 | Energy Distribution & Storage | Belgium |
| Ampaire Inc. | | 2018 | Smart Mobility | United States |
| Amped Innovation PBC | | 2016 | Clean Energy & Storage | United States |
| AMPEERS ENERGY GmbH | | 2019 | Buildings & Construction | Germany |
| ampere.cloud GmbH | | 2019 | Clean Energy & Storage | Germany |
| Ampersand | | 2015 | Smart Mobility | Rwanda |
| ANNEA.ai GmbH | | 2019 | Clean Energy & Storage | Germany |
| AquaBattery B.V. | | 2014 | Energy Distribution & Storage | Netherlands |
| Arenko Group | | 2014 | Energy Distribution & Storage | United Kingdom |
| ARESS | | 2012 | SDG-7 | Benin |
| ATEC Biodigesters | | 2016 | SDG-7 | Cambodia |
| Aurelia Turbines | Finalist | 2013 | Clean Energy Generation | Finland |
| autarq GmbH | | 2012 | Clean Energy & Storage | Germany |
| Avris Environment Technologies LLP | | 2018 | SDG-7 | India |
| Azuri Technologies | | 2012 | SDG-7 | United Kingdom |
| BasiGo Limited | | 2022 | SDG-7 | Kenya |
| BeChained Artificial Intelligence Technologies S.L. | Finalist | 2020 | Industry | Spain |
| BeeBryte | Winner | 2015 | Energy Distribution & Storage | France |
| Beem | | 2019 | Buildings & Construction | France |
| Beem Energy | | 2019 | Clean Energy Generation | France |
| Beev | | 2020 | Smart Mobility | France |
| BeFC | | 2020 | Clean Energy Generation | France |
| Beijing Muyu Technology Co., Ltd. | | 1999 | | China |
| Ben Fleet Services GmbH | | 2018 | Smart Mobility | Germany |
| BeON Energy | | 2015 | Energy Distribution & Storage | Portugal |
| betteries AMPS GmbH | | 2018 | Energy Distribution & Storage | Germany |
| bettervest GmbH | | 2012 | Demand-side innovation | Germany |
| Bignay Inc. | | 2014 | Smart Mobility | United Kingdom |
| BioEsol | | 2021 | Energy Distribution & Storage | Mexico |
| BiofuelCircle Private Limited | | 2020 | Clean Energy & Storage | India |
| BioLite | Finalist | 2010 | SDG-7 | United States |
| BiomeRenewables Inc. | | 2015 | Clean Energy Generation | Canada |
| Bioroot Energy, Inc. | | 2015 | SDG-7 | United States |
| Bladeinsight | | 2015 | Energy Distribution & Storage | Portugal |
| Blink Energy, Inc. | | 2019 | Energy Distribution & Storage | United States |
| Blitz Electric Mobility | | 2021 | Smart Mobility | Indonesia |
| BLIXT | Winner | 2018 | Energy Distribution & Storage | Sweden |
| Bloom Biorenewables | | 2019 | Clean Energy Generation | Switzerland |
| Blue Box Air, LLC | Finalist | 2016 | Demand-side innovation | United States |
| Bluedot Technologies, Inc. | | 2019 | Smart Mobility | United States |
| Bluefield Technologies, Inc. | | 2017 | Demand-side innovation | United States |
| blueflite (Flugauto) | | 2018 | Smart Mobility | United States |
| BlueNav | | 2020 | Smart Mobility | France |
| BluWave Inc. Artificial Intelligence | Finalist | 2017 | Smart Mobility | Canada |
| Bodawerk International Ltd. | Winner | 2017 | Smart Mobility | Uganda |
| Boreal Light GmbH | | 2015 | Clean Energy & Storage | Germany |
| Boreal Light GmbH (Winture) | Finalist | 2014 | SDG-7 | Germany |
| Bound 4 Blue, S.L. | | 2014 | Smart Mobility | Spain |
| Box Synergy | | 2018 | Clean Energy Generation | Argentina |
| Breeze Technologies | | 2015 | Smart Mobility | Germany |
| Bright Energy AB | | 2018 | | Sweden |
| BrightGreen Renewable Energy | | 0 | SDG-7 | Kenya |
| Brilliant Matters | | 2016 | Energy Distribution & Storage | Canada |
| Brinergy Tech., S.L. | Finalist | 2018 | | Spain |
| BroadBit Batteries Oy | | 2015 | Clean Energy & Storage | Finland |
| Buyo India Private Limited | | 2020 | Clean Energy & Storage | India |
| Buyo India Private Ltd | | 2020 | Industry | India |
| C-Green Technology AB | | 2003 | Demand-side innovation | Sweden |
| CAALA | Finalist | 2016 | Energy Distribution & Storage | Germany |
| Caban Systems, Inc. | | 2018 | Energy Distribution & Storage | United States |
| CAKE | Finalist | 2016 | Smart Mobility | Sweden |
| Camus Energy | | 2019 | Energy Distribution & Storage | United States |
| Carbominer LLC | | 2020 | Industry | Ukraine |
| Carbon Re Ltd | | 2020 | Industry | United Kingdom |
| Carbon Upcycling Technologies | | 2014 | Demand-side innovation | Canada |
| Carbonlaces | | 2020 | | United Kingdom |
| CarbonSpace Tech | | 2020 | Demand-side innovation | United States |
| Carbonstop | | 2013 | Industry | China |
| Cemvita Factory Inc. | | 2017 | Clean Energy Generation | United States |
| Chargetrip BV | | 2016 | Smart Mobility | Netherlands |
| ChargeX GmbH | Finalist | 2018 | Smart Mobility | Germany |
| Chemolex Company | | 2018 | Energy Distribution & Storage | Kenya |
| Ciel & Terre International | | 2013 | Clean Energy Generation | France |
| Cipher Neutron Inc. | | 2021 | Clean Energy & Storage | Canada |
| Citizengage | Finalist | 2015 | Demand-side innovation | India |
| Claro Energy Pvt. Ltd | | 2011 | SDG-7 | India |
| CleverShuttle (Acquired by Deutsche Bahn) | | 2014 | Smart Mobility | Germany |
| ClimateView | Finalist | 2018 | | Sweden |
| ClimateView AB | | 2018 | Buildings & Construction | Sweden |
| Climax Community | | 2019 | Industry | United Kingdom |
| Cling Systems | Winner | 2020 | Clean Energy & Storage | Sweden |
| Clir Renewables Inc. | | 2016 | Energy Distribution & Storage | Canada |
| CMBlu Energy | | 2014 | Energy Distribution & Storage | Germany |
| ColdHubs | Winner | 2015 | SDG-7 | Nigeria |
| Comgy GmbH | | 2017 | Demand-side innovation | Germany |
| Coolar UG | Winner | 2016 | SDG-7 | Germany |
| Copprint | | 2016 | Clean Energy & Storage | Israel |
| CORKBRICK EUROPE – ARQUITECTURA DE INTERIORES E EXTERIORES, LDA. | | 2014 | Buildings & Construction | Portugal |
| Correlor Data Science Intelligence LTD | | 2015 | | Israel |
| D-Olivette Enterprise | | 2018 | SDG-7 | Nigeria |
| DABBEL – Automation Intelligence GmbH | | 2018 | Demand-side innovation | Germany |
| Dandelion Energy Inc. | | 2017 | Demand-side innovation | United States |
| Danfoss (Leanheat Building, Acquired by BB Electronics) | Finalist | 2016 | Energy Distribution & Storage | Finland |
| DC Power Co | | 2017 | Energy Distribution & Storage | Australia |
| DCX | | 2016 | Energy Distribution & Storage | Poland |
| Deciwatt Ltd | | 2013 | SDG-7 | United Kingdom |
| Deftpower | Finalist | 2020 | Smart Mobility | Netherlands |
| Deftpower B.V. | | 2020 | Smart Mobility | The Netherlands |
| DENKweit GmbH | | 2018 | Energy Distribution & Storage | Germany |
| depsys | | 2012 | Energy Distribution & Storage | Switzerland |
| Desolenator B.V. | | 2014 | SDG-7 | Netherlands |
| Deveci Tech | | 2019 | Clean Energy Generation | The Netherlands |
| Dexter Energy | | 2016 | Energy Distribution & Storage | Netherlands |
| dhp technology AG | | 2015 | Clean Energy Generation | Switzerland |
| Didi | | 2012 | Smart Mobility | China |
| Distributed Energy | | 2019 | Clean Energy Generation | Singapore |
| Divine Bamboo Group Ltd | Winner | 2016 | SDG-7 | Uganda |
| Dosy | | 2021 | | Egypt |
| Drone Defence Services Ltd | | 2017 | Smart Mobility | United Kingdom |
| DUCKT OU | Finalist | 2020 | Smart Mobility | Estonia |
| E-Lyte Innovations GmbH | | 2019 | Energy Distribution & Storage | Germany |
| e-Zn Inc | | 2012 | Smart Mobility | Canada |
| Earthtide Labs OĂś | | 2021 | Industry | Estonia |
| Easy Building Concepts B.V. (Dutch entity), Easy Housing Concepts Uganda Limited (Ugandan entitity) | | 2020 | Buildings & Construction | The Netherlands & Uganda |
| Easy Solar (SL) Ltd | | 2016 | SDG-7 | Sierra Leone |
| ÉAU- Écosystèmes Alimentaires Urbains | | 2014 | SDG-7 | Canada |
| eCAMION | | 2009 | Smart Mobility | Canada |
| Eco Wave Power | | 2011 | Clean Energy Generation | Israel |
| Ecoclime Group AB | | 2012 | Clean Energy Generation | Sweden |
| ecocoach AG | | 2018 | Smart Mobility | Switzerland |
| EcoEnergy | | 2016 | SDG-7 | United States |
| ECOFACTOR CHARGE | | 2017 | Smart Mobility | Ukraine |
| EcoG GmbH | Winner | 2017 | Smart Mobility | Germany |
| Ecoisme Ltd | | 2016 | Energy Distribution & Storage | United Kingdom |
| EcoJoule | | 2017 | Energy Distribution & Storage | Australia |
| ecoligo GmbH | Winner | 2016 | Clean Energy Generation | Germany |
| Ecosolar Energia Inteligente | | 2016 | Demand-side innovation | Brazil |
| EcoSync | Finalist | 2018 | Energy Distribution & Storage | United Kingdom |
| Ecovat | | 2016 | Energy Distribution & Storage | Netherlands |
| eDRV B.V. | | 2020 | Smart Mobility | The Netherlands |
| Eenovators Limited | | 2023 | SDG-7 | Kenya |
| EET – Efficient Energy Technology GmbH | | 2017 | Clean Energy Generation | Austria |
| EH Group Engineering | | 2017 | Clean Energy Generation | Switzerland |
| EINHUNDERT Energie GmbH | | 2017 | Energy Distribution & Storage | Germany |
| Einride AB | Finalist | 2016 | Smart Mobility | Sweden |
| Eja-Ice Ltd | | 2020 | SDG-7 | Nigeria |
| Ekkono Solutions AB | Finalist | 2016 | Demand-side innovation | Sweden |
| Electric Beast Global OĂś | | 2021 | Smart Mobility | Estonia |
| Electrochaea GmbH | Finalist | 2014 | Energy Distribution & Storage | Germany |
| Element 16 Technologies, Inc. | | 2016 | Energy Distribution & Storage | United States |
| Element Zero Pty Limited | | 2023 | Industry | Australia |
| Elemize Technologies | | 2017 | Demand-side innovation | Italy |
| Elephantech Inc. | | 2014 | Industry | Japan |
| Elonroad AB | Finalist | 2014 | Smart Mobility | Sweden |
| Elum Energy | | 2016 | Energy Distribution & Storage | France |
| emhTrade Ltd | | 2012 | Demand-side innovation | New Zealand |
| Empower Equity, Inc. | | 2016 | Buildings & Construction | United States |
| Emrgy Inc. | | 2014 | Clean Energy & Storage | United States |
| Enapter GmbH | Winner | 2017 | Energy Distribution & Storage | Germany |
| encoord Inc. | | 2018 | Energy Distribution & Storage | United States |
| Eneco (CrowdNett) | | 2017 | Energy Distribution & Storage | Netherlands |
| Enent | | 2020 | SDG-7 | Pakistan |
| Enerbrain s.r.l. | Winner | 2014 | Energy Distribution & Storage | Italy |
| Energiency | | 2013 | Demand-side innovation | France |
| Energy Dome S.p.A. | Winner | 2019 | Clean Energy & Storage | Italy |
| Energy Floors | | 2017 | Clean Energy Generation | Netherlands |
| Energy Shift Europe Ltd | | 2021 | Clean Energy Generation | United Kingdom |
| EnergyElephant | | 2015 | Clean Energy & Storage | Ireland |
| EnergyNest AS | Finalist | 2011 | Energy Distribution & Storage | Norway |
| energyX Solutions Inc. | | 2016 | Demand-side innovation | Canada |
| Enersion Inc. | | 2016 | Demand-side innovation | Canada |
| enersis europe GmbH | | 2011 | Demand-side innovation | Germany, Switzerland |
| Enexor BioEnergy | | 2022 | SDG-7 | United States |
| ENIT Energy IT Systems GmbH | | 2014 | Demand-side innovation | Germany |
| Enjay AB | Finalist | 2011 | Demand-side innovation | Sweden |
| Enmacc Gmbh | | 2016 | Energy Distribution & Storage | Germany |
| ENOGIA | | 2009 | Energy Distribution & Storage | France |
| enspired GmbH | | 2020 | Energy Distribution & Storage | Austria |
| enspired GmbH | | 2020 | Clean Energy & Storage | Austria |
| envelio GmbH | Finalist | 2017 | Energy Distribution & Storage | Germany |
| Envio Systems (acquired by JLL) | Finalist | 2016 | Demand-side innovation | Germany |
| Enviria Energy Holding GmbH | | 2017 | Clean Energy Generation | Germany |
| EP Tender | Finalist | 2012 | Smart Mobility | France |
| Epic Charging | | 2022 | Smart Mobility | United States |
| epilot GmbH | | 2017 | Demand-side innovation | Germany |
| Epishine AB | Finalist | 2016 | Clean Energy Generation | Sweden |
| Équipement off the grid inc. | | 2019 | Clean Energy & Storage | Canada |
| EQuota Energy | Finalist | 2014 | Energy Distribution & Storage | China |
| ETA PLUS GmbH | | 2019 | Buildings & Construction | Germany |
| etalytics GmbH | | 2020 | Industry | Germany |
| etalytics GmbH | | 2020 | Industry | Germany |
| Evergen | Finalist | 2016 | Energy Distribution & Storage | Australia |
| everyone energy GmbH | | 2021 | Industry | Germany |
| everyone energy UG | | 2021 | Clean Energy & Storage | Germany |
| Evoke Electric Motorcycles | | 2016 | Smart Mobility | China |
| evopark | | 2014 | Smart Mobility | Germany |
| ewind Betreiber- und Vertriebs GmbH | | 2011 | | Germany |
| Exergenics Trading Pty Ltd | | 2019 | Buildings & Construction | Australia |
| Exnaton AG | | 2020 | | Switzerland |
| Ferntech GmbH | | 2016 | SDG-7 | Germany |
| FiberMart Trading Company | | 2018 | SDG-7 | Ethiopia |
| FibreCoat GmbH | | 2020 | Buildings & Construction | Germany |
| Flair | Finalist | 2014 | Demand-side innovation | United States |
| FLEXeCHARGE ApS | | 2019 | Smart Mobility | Denmark |
| FlexiDAO S.E.S. s.l. | Finalist | 2017 | Energy Distribution & Storage | Spain |
| FlyNex GmbH | | 2015 | Energy Distribution & Storage | Germany |
| ForCity | Winner | 2014 | | France |
| Foresight Energy LTD | | 2015 | Energy Distribution & Storage | Israel |
| FreeWire Technologies | | 2014 | Smart Mobility | United States |
| Fresh Energy Gmbh (Acquired by EWE AG) | | 2017 | Energy Distribution & Storage | Germany |
| Frontier Markets | | 2011 | SDG-7 | India |
| Frontline Waste | | 2016 | Clean Energy Generation | United States |
| FTEX | | 2018 | Smart Mobility | Canada |
| Fuelsave Consultoria S.A (Meight) | | 2018 | Smart Mobility | Portugal |
| Fusebox OĂś | | 2014 | Energy Distribution & Storage | Estonia |
| Fusebox OĂś | | 2014 | Clean Energy & Storage | Estonia |
| Future Grid | | 2012 | Energy Distribution & Storage | Australia |
| Future Grid Pty Ltd | | 2013 | Clean Energy & Storage | Australia |
| GBatteries Energy Canada Inc | | 2014 | Smart Mobility | Germany |
| GenH Inc. | | 2018 | Clean Energy Generation | United States |
| GETAWAY GmbH | | 2015 | Smart Mobility | Germany |
| Geyser Batteries Oy | | 2018 | Energy Distribution & Storage | Finland |
| Gilytics AG | | 2017 | Energy Distribution & Storage | Switzerland |
| GLEAM technologies GmbH | | 2013 | Smart Mobility | Austria |
| Global Air Cylinder Wheels Incorporated | | 2019 | Smart Mobility | United States |
| glowee | Finalist | 2014 | Clean Energy Generation | France |
| GML/Enline Transmission Solutions | | 2018 | Clean Energy & Storage | Portugal |
| Go To-U | | 2017 | Smart Mobility | United States |
| Golu Hydrogen Technologies Inc. | | 2021 | Clean Energy Generation | Canada |
| goodcarbon GmbH | | 2021 | Industry | Germany |
| GP Motion GmbH | | 2015 | Smart Mobility | Austria |
| Granular SAS | Finalist | 2021 | Clean Energy & Storage | France |
| Green Energy BioFuels | | 2010 | Clean Energy Generation | Nigeria |
| Green Li-ion | Winner | 2020 | Energy Distribution & Storage | Singapore |
| Green Scene Energy Plc | | 2016 | SDG-7 | Ethiopia |
| Greenbird Integration Technology AS | | 2010 | Energy Distribution & Storage | Norway |
| Greenjoules Pvt. Ltd | | 2018 | Clean Energy & Storage | India |
| Greenly (Offspend) | | 2019 | Industry | France |
| GreenPocket GmbH | | 2017 | Demand-side innovation | Germany |
| GreenSync | Finalist | 2010 | Demand-side innovation | Australia |
| greenventory GmbH | | 2019 | Energy Distribution & Storage | Germany |
| GreenYellow EnergĂa de Colombia S.A.S | | 2012 | Demand-side innovation | Colombia |
| Greinon Engineering AB | | 2012 | Energy Distribution & Storage | Sweden |
| Gridcognition | | 2020 | Energy Distribution & Storage | Australia |
| Gridhound | | 2015 | Energy Distribution & Storage | Germany |
| Gridwiz Inc. | | 2013 | Smart Mobility | Republic of Korea |
| gridX GmbH | | 2016 | Energy Distribution & Storage | Germany |
| guane enterprises | | 2018 | Industry | Colombia |
| guane enterprises SAS | | 2018 | Industry | Colombia |
| H2Pro | | 2019 | Clean Energy & Storage | Israel |
| H2SITE | Finalist | 2019 | Clean Energy & Storage | Spain |
| H2U Technologies, Inc. | | 2020 | Clean Energy & Storage | United States |
| H2U Technologies, Inc. | | 2020 | Clean Energy & Storage | United States |
| haus.me Inc. | | 2017 | Buildings & Construction | United States |
| Havenhill Synergy Ltd | | 2010 | SDG-7 | Nigeria |
| Hawa Dawa GmbH | | 2016 | Smart Mobility | Germany |
| Heatrix GmbH | Winner | 2021 | Industry | Germany |
| HeatVentors Hőenergiatároló Kft. | | 2017 | Clean Energy Generation | Hungary |
| Heliac A/S | | 2014 | Clean Energy Generation | Denmark |
| Heliatek GmbH | | 2006 | Clean Energy Generation | Germany |
| Hempire | | 2015 | Demand-side innovation | Ukraine |
| Hergele Mobility | | 2019 | Smart Mobility | Turkey |
| Hergele Teknoloji Anonim Sirketi | | 2019 | Smart Mobility | Turkey |
| Hero Balancer | | 2015 | Energy Distribution & Storage | Netherlands |
| HeyCharge GmbH | | 2020 | Smart Mobility | Germany |
| hiLyte | | 2018 | SDG-7 | Switzerland |
| Hive Power Sagl | | 2017 | Energy Distribution & Storage | Switzerland |
| HumanLearning | | 2013 | Industry | United Kingdom |
| Hydra Energy Corporation | | 2015 | Smart Mobility | Canada |
| Hydrobox Kenya Ltd | | 2018 | SDG-7 | Kenya |
| Hydrogenious Technologies GmbH | Winner | 2013 | Energy Distribution & Storage | Germany |
| HYGEN | | 2009 | Smart Mobility | Latvia |
| Hygge Power | | 2017 | Energy Distribution & Storage | United States |
| Hyko | | 2014 | SDG-7 | Netherlands |
| Hyperion Robotics Oy | | 2020 | Buildings & Construction | Finland |
| Hyperion Robotics Oy | Winner | 2020 | Buildings & Construction | Finland |
| HySiLabs | | 2015 | Energy Distribution & Storage | France |
| ICwhatUC Incorporated | | 2018 | Demand-side innovation | Canada |
| In Sun We Trust | | 2015 | Energy Distribution & Storage | France |
| Ineratec GmbH | | 2016 | Clean Energy Generation | Germany |
| iNex Circular | Finalist | 2018 | Clean Energy Generation | France |
| Infrasolid | | 2017 | Energy Distribution & Storage | Germany |
| Innocorps Research Corporation | | 2009 | Demand-side innovation | Canada |
| Innovating Green Technology (IGT) | | 2017 | Demand-side innovation | Lebanon |
| InPlanet GmbH | | 2022 | Industry | Germany |
| Insolar Technology GmbH | | 2019 | | Switzerland |
| Insolight SA | | 2015 | Clean Energy Generation | Switzerland |
| Inspirafarms | Finalist | 2012 | Energy Distribution & Storage | United Kingdom |
| instagrid GmbH | Winner | 2018 | Energy Distribution & Storage | Germany |
| Installion GmbH | | 2019 | Clean Energy & Storage | Germany |
| interpanel GmbH | | 2017 | Demand-side innovation | Germany |
| Inti-Tech | | 2016 | Energy Distribution & Storage | Chile |
| Invisible Urban Charging Ltd | | 2019 | Smart Mobility | New Zealand |
| ioki GmbH | | 2018 | Smart Mobility | Germany |
| Ionomr Innovations Inc. | Winner | 2016 | Clean Energy Generation | Canada |
| Ionseed | | 2013 | Energy Distribution & Storage | Portugal |
| ionysis GmbH | | 2021 | Smart Mobility | Germany |
| Jaza Energy | Winner | 2015 | SDG-7 | Canada |
| Jiro-Ve | | 2014 | SDG-7 | Madagascar |
| Jungle | | 2017 | Energy Distribution & Storage | Portugal |
| Keey Aerogel | Finalist | 2015 | Buildings & Construction | France |
| KEYOU GmbH | | 2015 | Smart Mobility | Germany |
| KoalaLifter | | 2014 | Industry | Spain |
| KOKO Networks | | 2014 | SDG-7 | Kenya |
| Komodo Water | | 2010 | SDG-7 | Indonesia |
| Koolboks | | 2018 | SDG-7 | France |
| Koolboks SAS | | 2018 | SDG-7 | France |
| KRADAC CIA. LTDA. | | 2010 | Smart Mobility | Ecuador |
| Kraftblock GmbH | | 2014 | Energy Distribution & Storage | Germany |
| kraftwerk TUBES GmbH | Winner | 2016 | Smart Mobility | Germany |
| KUGU Home GmbH | | 2016 | Energy Distribution & Storage | Germany |
| KunTech | | 2015 | SDG-7 | Kazakhstan |
| KWOTA OĂś | | 2021 | Industry | Estonia |
| Kyuka ventures innovation hub | | 2020 | SDG-7 | Uganda |
| Laava Tech Inc. | | 2017 | Energy Distribution & Storage | United States |
| LANCEY Energy Storage | | 2016 | | France |
| Leaftech GmbH | | 2017 | Energy Distribution & Storage | Germany |
| LEDCity AG | | 2017 | Demand-side innovation | Switzerland |
| LexaTexer (AvailabilityPlus GmbH) | | 2017 | Clean Energy Generation | Germany |
| LexX Technologies Pty Ltd | | 2012 | Energy Distribution & Storage | Australia |
| LeydenJar Technologies | Finalist | 2016 | Energy Distribution & Storage | Netherlands |
| Li-Cycle | | 2016 | Smart Mobility | Canada |
| LIGHTHEAT P.C. | | 2017 | Clean Energy Generation | Greece |
| Liter of Light | Winner | 2017 | SDG-7 | Philippines |
| Lition Energie GmbH | | 2017 | | Germany |
| Litro Solar SAS | | 2011 | SDG-7 | Colombia |
| Little Sun | | 2012 | SDG-7 | Germany |
| LiveEO | Finalist | 2011 | Energy Distribution & Storage | Germany |
| LO3 Energy | Finalist | 2012 | Energy Distribution & Storage | United States |
| LocLab Consulting GmbH | | 2018 | Energy Distribution & Storage | Germany |
| Lumenaza GmbH | | 2013 | Energy Distribution & Storage | Germany |
| Lumoview Building Analytics GmbH | Finalist | 2019 | Buildings & Construction | Germany |
| MACLEC | | 2014 | Clean Energy & Storage | India |
| Magic Ventures | | 2014 | Energy Distribution & Storage | Netherlands |
| Magnotherm | Winner | 2019 | Buildings & Construction | Germany |
| Manamuz Electric Ltd | Finalist | 2016 | SDG-7 | Nigeria |
| ME-SOLshare | Winner | 2015 | Demand-side innovation | Bangladesh |
| Mega Gas Alternative Energy Enterprise Ltd | Finalist | 2019 | SDG-7 | Kenya |
| Mellowcabs | | 2012 | Smart Mobility | South Africa |
| Mera Gao Power (MGP) | | 2010 | Clean Energy Generation | India |
| Meredot | | 2019 | Smart Mobility | Latvia |
| methetnet | | 2016 | Energy Distribution & Storage | The Netherlands |
| Metroscope | | 2017 | Clean Energy Generation | France |
| Meva Energy | Finalist | 2008 | Clean Energy Generation | Sweden |
| Micro Electrochemical Technologies SL | | 2017 | Clean Energy & Storage | Spain |
| MilĂŞnio Bus | | 2018 | Smart Mobility | Brazil |
| MinervaS s.r.l. | | 2020 | Smart Mobility | Italy |
| Mixergy Ltd | | 2014 | Buildings & Construction | United Kingdom |
| Mobike Germany | | 2015 | Smart Mobility | China |
| Modvion | Winner | 2017 | Clean Energy Generation | Sweden |
| MOLABO GmbH | | 2016 | Smart Mobility | Germany |
| Monta | | 2020 | Smart Mobility | Denmark |
| MOTIONTAG GmbH | Finalist | 2015 | Smart Mobility | Germany |
| MPower Ventures AG | | 2017 | SDG-7 | Cameroon, Namibia, Spain, Switzerland, Togo, Zambia |
| Multicon AG & Co. KG | | 2014 | Clean Energy Generation | Germany |
| Myrspoven AB | | 2017 | Buildings & Construction | Sweden |
| Nabrawind Technologies SL | | 2017 | Clean Energy Generation | Spain |
| Naco Technologies | | 2020 | Industry | Latvia |
| NAM Technology | | 2014 | Buildings & Construction | Israel |
| Nanosun Ltd | | 2017 | Smart Mobility | United Kingdom |
| Nanvio AB | | 2018 | Energy Distribution & Storage | Sweden |
| Navalt Solar & Electric Boats Pvt Ltd | Winner | 2013 | Smart Mobility | India |
| NAWATechnologies | | 2013 | Energy Distribution & Storage | France |
| ndustrial.io, Inc. | | 2015 | Industry | United States |
| Ndustrial.io, Inc. | | 2015 | Industry | United States |
| NeedEnergy | Finalist | 2015 | SDG-7 | Zimbabwe |
| NET2GRID | | 2011 | Energy Distribution & Storage | Netherlands |
| NEU Energy | Winner | 2019 | Demand-side innovation | Colombia |
| NeuronSW SE | | 2016 | Demand-side innovation | Czech republic |
| New Leaf Dynamic Technologies (P) Ltd | | 2012 | Energy Distribution & Storage | India |
| Newatt | | 2015 | Demand-side innovation | Brazil |
| Nispera AG | | 2015 | Clean Energy Generation | Switzerland |
| Nithio Holdings, Inc. | Finalist | 2018 | SDG-7 | United States |
| NiveauUp Inc. | | 2018 | Smart Mobility | United States |
| Nizam Energy | | 2016 | SDG-7 | Pakistan |
| nOa climate | | 2019 | SDG-7 | Germany |
| node.energy GmbH | | 2016 | Energy Distribution & Storage | Germany |
| Novihum Technologies GmbH | | 2012 | SDG-7 | Germany |
| NovoGrid Ltd | | 2018 | Energy Distribution & Storage | Ireland |
| NovoMoto | | 2016 | SDG-7 | United States |
| nuventura GmbH | | 2017 | Clean Energy Generation | Germany |
| NYDRO ENERGY S.A.S. | | 2018 | Energy Distribution & Storage | Argentina |
| NyQuest Innovation Labs | | 2017 | Clean Energy & Storage | India |
| OCTAVIA CARBON CO | | 2023 | Industry | United States |
| Odit-e | | 2017 | Energy Distribution & Storage | France |
| OEEX GmbH | | 2015 | Demand-side innovation | Germany |
| OffGridBox | Finalist | 2016 | SDG-7 | United States |
| Omniflow SA | | 2014 | Clean Energy Generation | Portugal |
| OnePower | | 2015 | SDG-7 | Lesotho |
| ONergy Solar | | 2009 | SDG-7 | India |
| OneWatt Solutions HQ | | 2017 | Energy Distribution & Storage | Netherlands |
| ONOMOTION | Finalist | 2012 | Smart Mobility | Germany |
| Oorja Development Solutions India Limited | Winner | 2016 | SDG-7 | India |
| Opus One Solutions | | 2011 | Energy Distribution & Storage | Canada |
| Orcan Energy AG | | 2008 | Clean Energy Generation | Germany |
| Ormera AG | | 2019 | Demand-side innovation | Switzerland |
| OtailO Returns Ltd. | Finalist | 2019 | Smart Mobility | Israel |
| Over Easy Solar | | 2021 | Clean Energy & Storage | Norway |
| PAM AFRICA | | 2021 | SDG-7 | Nigeria |
| PAMAfrica Green Power Generation Company Limited (PGPGC)Limited | | 2021 | SDG-7 | Nigeria |
| Pamodzi Bio Energy Solutions | | 2022 | SDG-7 | Nigeria |
| Pantonium | Winner | 2010 | Smart Mobility | Canada |
| Paragon Mobility SAS | | 2019 | Smart Mobility | France |
| ParkHere GmbH | | 2015 | Smart Mobility | Germany |
| Parking Energy | Finalist | 2014 | Smart Mobility | Finland |
| PassiveLogic | | 2016 | Demand-side innovation | United States |
| Pawame | | 2015 | SDG-7 | Kenya |
| Persee | | 2016 | Clean Energy Generation | France |
| Perto GmbH | | 2016 | Energy Distribution & Storage | Germany |
| Pexapark AG | | 2017 | Energy Distribution & Storage | Switzerland |
| pH7 Technologies Inc. | Finalist | 2020 | Industry | Canada |
| Photom Technologies Private Ltd | | 2018 | Energy Distribution & Storage | India |
| Phytonix Corporation | | 2009 | Clean Energy Generation | United States |
| Pionierkraft GmbH | | 2019 | Buildings & Construction | Germany |
| PIONIX GmbH | | 2013 | Smart Mobility | Germany |
| Pix Force Tecnologia LTDA – EPP | | 2016 | Industry | Brazil |
| Plactherm | | 2013 | Energy Distribution & Storage | Spain |
| Planet Ark Power (eleXsys Energy) | Winner | 2014 | Energy Distribution & Storage | Australia |
| Platio Solar | | 2015 | Clean Energy Generation | Hungary |
| Plexigrid S.L. | | 2020 | Clean Energy & Storage | Spain |
| Plugsurfing GmbH | | 2012 | Smart Mobility | Germany |
| Poduhvat Hydrokinetics LTD | | 2012 | Energy Distribution & Storage | United Kingdom |
| Poligy GmbH | | 2018 | Demand-side innovation | Germany |
| Pollinate Group Ltd | Finalist | 2012 | SDG-7 | Australia |
| Ponera Group | Finalist | 2019 | Smart Mobility | Switzerland |
| Power-Blox AG; Power-Blox Ltd. | | 2015 | SDG-7 | Switzerland |
| Powerstove Energy | | 2018 | SDG-7 | Nigeria |
| PowerUP Fuel Cells | Finalist | 2016 | Clean Energy Generation | Estonia |
| Prisma Photonics+B56:B106 | | 2017 | Energy Distribution & Storage | Israel |
| Proficloud.io (smartB Energy Management GmbH) | | 2013 | Energy Distribution & Storage | Germany |
| Prosumir | | 2014 | Energy Distribution & Storage | Brazil |
| Pyro-E | | 2013 | Smart Mobility | United States |
| q-bility GmbH | | 2022 | Smart Mobility | Germany |
| QEA Tech | Finalist | 2019 | Buildings & Construction | Canada |
| Qingdao MKL Technologies Corporation | | 2008 | Energy Distribution & Storage | China |
| Qlayers | | 2017 | Clean Energy Generation | Netherlands |
| Qlayers B.V. | | 2017 | Industry | Netherlands |
| R8 Technologies | Finalist | 2017 | Demand-side innovation | Estonia |
| RABOT CHARGE GmbH | | 2021 | Smart Mobility | Germany |
| Rafiki Power (by E.ON Off Grid Solutions) | | 2013 | SDG-7 | Germany |
| RatedPower | Finalist | 2017 | Energy Distribution & Storage | Spain |
| Raycatch | | 2015 | Energy Distribution & Storage | Israel |
| re.alto-energy srl | | 2019 | Energy Distribution & Storage | Belgium |
| REConnect Energy Solutions Pvt Ltd | | 2010 | Energy Distribution & Storage | India |
| RedGrid | | 2018 | Energy Distribution & Storage | Australia |
| Reeddi Inc. | Finalist | 2018 | SDG-7 | Canada |
| REENGEN ENERJI TEKNOLOJILERI ANONIM SIRKETI | | 2012 | Demand-side innovation | Turkey |
| Relectrify Pty Ltd | | 2015 | Energy Distribution & Storage | Australia |
| RENERGON International AG | | 2010 | Clean Energy Generation | Switzerland |
| Renew Power Projects Ltd | | 2017 | SDG-7 | Pakistan |
| Rensource Distributed Energy Ltd | | 2016 | SDG-7 | Nigeria |
| Reverion GmbH (BioCORE) | | 2022 | Clean Energy Generation | Germany |
| Rhebo GmbH | | 2013 | Energy Distribution & Storage | Germany |
| RideTandem | | 2019 | Smart Mobility | United Kingdom |
| Roam | Winner | 2018 | Smart Mobility | Kenya |
| Rondo Energy | Finalist | 2020 | Clean Energy & Storage | United States |
| Roofit Solar Energy OĂś | | 2016 | Clean Energy & Storage | Estonia |
| Roofit Solar Energy OĂś | Finalist | 2016 | Clean Energy Generation | Estonia |
| Rudolf Energy | | 2020 | | Mexico |
| RUNWITHIT Synthetics Inc. | | 2014 | Smart Mobility | Canada |
| rvolt | | 2019 | | Germany |
| S4S Technologies | Winner | 2011 | SDG-7 | India |
| Sahas Urja Ltd | | 2014 | Clean Energy & Storage | Nepal |
| Sakowin | | 2017 | Clean Energy & Storage | France |
| Sealence S.p.A. S.B. | | 2017 | Smart Mobility | Italy |
| SeeO2 Energy Inc | | 2018 | Energy Distribution & Storage | Canada |
| Sense Labs Inc. | | 2018 | | United States |
| Sentrisense GmbH | | 2013 | Energy Distribution & Storage | Germany |
| Sentrisense Spain SL | | 2017 | Clean Energy & Storage | Spain |
| Sereema | | 2017 | Clean Energy Generation | France |
| Shanghai Lianyu Energy Technology Co. Ltd (Energo Labs) | | 2016 | Energy Distribution & Storage | China |
| Shanghai Tellhow Meinergy Technology Co., Ltd. | | 2016 | | China |
| Sicoya | Winner | 2015 | Energy Distribution & Storage | Germany |
| Singularity Computing | | 2017 | Clean Energy Generation | Algeria |
| Skeleton Technologies | Winner | 2009 | Smart Mobility | Estonia, Germany |
| Smart GreeN Charge | | 2017 | Smart Mobility | France |
| Smart Grid | | 2019 | Clean Energy & Storage | The Netherlands |
| Smart Load Solutions OĂś | | 2014 | Demand-side innovation | Estonia |
| smart-me AG | | 2014 | Demand-side innovation | Switzerland |
| SmartHelio Sarl | | 2019 | Clean Energy Generation | Switzerland |
| Smartive | | 2013 | Energy Distribution & Storage | Spain |
| Smartpulse Teknoloji A.Ĺž. | | 2015 | Energy Distribution & Storage | United Kingdom |
| Solaires Entreprises Inc | | 2020 | Clean Energy & Storage | Canada |
| Solaires Entreprises Inc. | | 2020 | Clean Energy & Storage | Canada |
| Solandeo GmbH | | 2014 | Energy Distribution & Storage | Germany |
| Solar AI Technologies Pte. Ltd | | 2018 | Clean Energy Generation | Singapore |
| Solar Earth Technologies Ltd. | | 2015 | Clean Energy Generation | Canada |
| Solar Freeze | | 2017 | SDG-7 | Kenya |
| Solar MD Pty Ltd | | 2014 | Clean Energy & Storage | South Africa |
| Solar PiezoClean | | 2015 | Energy Distribution & Storage | Jordan |
| Solarcool | | 2018 | SDG-7 | South Africa |
| Solaris GreenTech Hub | | 2021 | SDG-7 | Nigeria |
| Solaris Offgrid | | 2014 | SDG-7 | Spain |
| SolarisKit Ltd | | 2021 | SDG-7 | United Kingdom |
| Solaristique Nigeria Limited | Finalist | 2019 | SDG-7 | Nigeria |
| SolarKal | | 2015 | Clean Energy Generation | United States |
| SOLARKIOSK AG | | 2011 | Clean Energy Generation | Germany |
| SolarLatam | | 2016 | Energy Distribution & Storage | Argentina |
| SolarPipo B.V. | | 2017 | SDG-7 | Netherlands |
| SolarTracker SpA | | 2017 | Energy Distribution & Storage | Chile |
| SolarTurtle | | 2012 | SDG-7 | South Africa |
| Solarworx GmbH | | 2017 | SDG-7 | Germany |
| Solarworx GmbH | | 2017 | SDG-7 | Germany |
| SolarWorX UG | | 2017 | SDG-7 | Germany |
| Solaxess SA | | 2015 | Clean Energy Generation | Switzerland |
| SolCold – Cooling by Sunlight | | 2016 | Clean Energy Generation | Israel |
| SolCold Ltd. | Winner | 2016 | Buildings & Construction | Israel |
| Soletair Power Oy | | 2016 | Buildings & Construction | Finland |
| Solfium Inc. | | 2020 | Industry | Canada & MĂ©xico |
| SOLHO B.V. | Winner | 2017 | Demand-side innovation | Netherlands |
| Solmove GmbH | | 2014 | Clean Energy Generation | Germany |
| SolPad, Inc. | | 2012 | Energy Distribution & Storage | United States |
| Solpod Pty Ltd | | 2017 | Clean Energy Generation | Australia |
| Solstice Initiative | | 2014 | SDG-7 | United States |
| Soluz Energia | | 2014 | Clean Energy Generation | Brazil |
| Solynta Nigeria Ltd | | 2013 | SDG-7 | Nigeria |
| Solytic GmbH | | 2017 | Demand-side innovation | Germany |
| Soraytec Scandinavia AS | | 2015 | Energy Distribution & Storage | Norway |
| Sosai Renewable Energies Company | | 2012 | SDG-7 | Nigeria |
| South 8 Technologies | Finalist | 2016 | Clean Energy & Storage | United States |
| Spark e-Fuels GmbH | Finalist | 2021 | Clean Energy & Storage | Germany |
| SparkMeter, Inc. | Finalist | 2013 | Energy Distribution & Storage | United States |
| Spottitt Ltd | | 2017 | Clean Energy & Storage | United Kingdom |
| STABL Energy GmbH | | 2019 | Energy Distribution & Storage | Germany |
| Standard Microgrid Inc. | | 2012 | SDG-7 | United States, Zambia |
| Stargate Hydrogen OU | | 2021 | Clean Energy & Storage | Estonia |
| SteamaCo | | 2012 | Energy Distribution & Storage | United Kingdom |
| Sterblue | Finalist | 2016 | Demand-side innovation | France |
| Strauss Energy | | 2008 | Clean Energy Generation | Kenya |
| suena GmbH | | 2021 | Clean Energy & Storage | Germany |
| Sun Exchange | | 2015 | SDG-7 | South Africa |
| SUNami AS | | 2016 | SDG-7 | Norway |
| Suncast | | 2018 | Clean Energy & Storage | Chile |
| SunCrafter – solar generation | | 2018 | SDG-7 | Germany |
| SunCulture | Finalist | 2012 | SDG-7 | Kenya |
| Sunew | Finalist | 2015 | Clean Energy Generation | Brazil |
| SunnyMoney | | 2008 | SDG-7 | United Kingdom |
| Sunovate | | 2018 | Clean Energy Generation | Australia |
| Sunoyster Systems GmbH | | 2011 | Clean Energy Generation | Germany |
| SunRoof Technology Sp. z o.o. | | 2019 | Clean Energy Generation | Sweden |
| SunSawang Company Ltd | Finalist | 2013 | SDG-7 | Thailand |
| Supercritical Solutions Ltd | | 2020 | Clean Energy & Storage | United Kingdom |
| Surve Mobility (Chargery GmbH) | | 2017 | Smart Mobility | Germany |
| Sustainable Green Fuel Enterprise (SGFE) | | 2012 | SDG-7 | Cambodia |
| Swimsol GmbH | | 2012 | Clean Energy Generation | Austria |
| SwitchDin | Winner | 2014 | Energy Distribution & Storage | Australia |
| Swobbee GmbH | | 2017 | Smart Mobility | Germany |
| Synergi Solutions Oy | | 2022 | Clean Energy & Storage | Finland |
| Takachar | Finalist | 2018 | SDG-7 | India |
| Teraloop Oy | | 2014 | Energy Distribution & Storage | Finland |
| Terrawaste | | 2020 | Clean Energy & Storage | Netherlands |
| TESVOLT GmbH (didn’t want to be part of the database) | | 2014 | Energy Distribution & Storage | Germany |
| Tevatronic | | 2012 | Demand-side innovation | Israel |
| The Air Company | | 2017 | Demand-side innovation | United States |
| Thermal Energy Service Solutions (TESSOL) | Winner | 2013 | Smart Mobility | India |
| Thermondo GmbH | | 2012 | Energy Distribution & Storage | Germany |
| Thermosphr EO Solutions GmbH | | 2020 | Buildings & Construction | Germany |
| Tiino Techmations Pvt Ltd | | 2014 | Energy Distribution & Storage | India |
| tiko – Swisscom Energy Solutions AG | | 2012 | Demand-side innovation | Switzerland |
| TITAN ADVANCED ENERGY SOLUTIONS, INC | | 2016 | Energy Distribution & Storage | United States |
| TRANSITION-ONE | Finalist | 2018 | Smart Mobility | France |
| TreaTech SA | | 2015 | Industry | Switzerland |
| Tretbox GmbH (ONO) | | 2016 | Smart Mobility | Germany |
| TRINE | | 2015 | SDG-7 | Sweden |
| Triple Solar | | 2009 | Clean Energy Generation | Netherlands |
| TWAICE Technologies GmbH | | 2018 | Energy Distribution & Storage | Germany |
| TwingTec AG | | 2013 | Clean Energy Generation | Switzerland |
| UALI | | 2020 | Clean Energy & Storage | England |
| Ubabio Eco-Solutions Nig. Ltd. | | 2018 | | Nigeria |
| ucair (Acquired by Above) | | 2017 | Demand-side innovation | Germany |
| uHoo Pte Ltd | | 2015 | Demand-side innovation | Singapore |
| UNDO Carbon Ltd | | 2022 | Industry | United Kingdom |
| Unergy | | 2013 | Clean Energy Generation | Colombia |
| UP Catalyst OĂś | Finalist | 2019 | Industry | Estonia |
| Uprise Energy | | 2011 | Energy Distribution & Storage | United States |
| Uptime Analytics | | 2016 | Demand-side innovation | Colombia |
| Urban Sympheny AG | | 2020 | Buildings & Construction | Switzerland |
| Urbio AG | | 2020 | Energy Distribution & Storage | Switzerland |
| Vacus Tech Pvt Ltd | | 2014 | | India |
| Versius / Domey | | 2012 | Demand-side innovation | Czech republic |
| Vertebra Soluciones S.A.S | | 2016 | Demand-side innovation | Colombia |
| VFlow Tech Pte Ltd | | 2017 | Energy Distribution & Storage | Singapore |
| viboo AG | | 2022 | Buildings & Construction | Switzerland |
| VIDA | Winner | 2018 | SDG-7 | Germany |
| vilisto GmbH | | 2016 | Energy Distribution & Storage | Germany |
| Village Data Analytics (TFE Energy GmbH) | Finalist | 2015 | SDG-7 | Germany |
| Village Energy | | 2009 | SDG-7 | Uganda |
| Village Power Uganda | | 2014 | SDG-7 | Uganda |
| Vioma Motors | | 2018 | Smart Mobility | India |
| Vizcab | | 2015 | Buildings & Construction | France |
| VK Energie GmbH | | 2017 | Clean Energy & Storage | Germany |
| VOLABO GmbH | | 2016 | Smart Mobility | Germany |
| Volex | Finalist | 2016 | Energy Distribution & Storage | Israel |
| Voltaware Services Ltd | | 2015 | Demand-side innovation | United Kingdom |
| VoltStorage GmbH | Finalist | 2016 | Energy Distribution & Storage | Germany |
| Vortex Bladeless | | 2013 | Clean Energy Generation | Spain |
| Vuma Biofuels | | 2017 | SDG-7 | Kenya |
| Vutility, Inc. | | 2015 | Demand-side innovation | United States |
| Waste-2-Watt | | 2015 | SDG-7 | Nigeria |
| Waterotor Energy Technologies Inc. | | 2011 | Clean Energy Generation | Canada |
| WATTIQ (Ibis Networks) | | 2013 | Energy Distribution & Storage | United States |
| Wattnow SA | | 2018 | Demand-side innovation | Tunisia |
| WATTPARK | | 2020 | Smart Mobility | France |
| Wattson Smart Charging S.L. | | 2020 | Smart Mobility | Spain |
| Wattwatchers Pty Ltd | | 2007 | Energy Distribution & Storage | Australia |
| Watty | | 2013 | Energy Distribution & Storage | Sweden |
| WeavAir | | 2017 | Demand-side innovation | Canada |
| WeDoSolar GmbH | | 2021 | Clean Energy & Storage | Germany |
| WeGaw SA | | 2016 | Clean Energy Generation | Switzerland |
| wego | | 2018 | Smart Mobility | Italy |
| wego srl | | 2018 | Smart Mobility | Italy |
| Wego srl (Volvero) | | 2018 | Smart Mobility | Italy |
| WePower UAB | | 2017 | Energy Distribution & Storage | Lithuania |
| Werover | | 2014 | Clean Energy Generation | Turkey |
| Wiferion (Blue Inductive GmbH) | Finalist | 2016 | Smart Mobility | Germany |
| WIND MY ROOF | | 2018 | Clean Energy Generation | France |
| WinJi AG | Finalist | 2016 | Clean Energy Generation | Switzerland |
| WLE Innovation Hub GmbH | | 2019 | Demand-side innovation | Germany |
| X-SOLAR SYSTEMS (M-PAYG) | | 2015 | SDG-7 | Denmark |
| Xcharge | Finalist | 2015 | Smart Mobility | China |
| YAYZY Ltd | | 2019 | Demand-side innovation | United Kingdom |
| Zaphiro Technologies SA | | 2017 | Energy Distribution & Storage | Switzerland |
| Zeigo Ltd | | 2018 | Clean Energy Generation | United Kingdom |
| Zeleros | | 2016 | Smart Mobility | Spain |
| Zembo Motorcycle SMC Ltd | | 2018 | Smart Mobility | Uganda |
| Zentur.io GmbH | | 2021 | Buildings & Construction | Germany |
| Zhejiang Huayou Recycling Technology Co. Ltd | | 2021 | Clean Energy & Storage | China |
| ZipCharge | | 2021 | Smart Mobility | United Kingdom |
| Zoa Technologies Ltd | | 2022 | Industry | United Kingdom |
| ZOLAR GmbH | | 2016 | Demand-side innovation | Germany |
| Zoomo (Bolt) | | 2017 | Smart Mobility | Australia |
| ZOOZ (Chakratec) | | 2013 | Smart Mobility | Israel |
| ZunRoof Tech | | 2016 | Demand-side innovation | India |
| Zurich Soft Robotics GmbH | | 2022 | Buildings & Construction | Switzerland |