69 Best Energy & Nuclear Startups to Watch in 2024
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Last update to the database: April 29, 2024. See changelog.
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company | score | funding | investors | employees | industries | biz model | city | contact |
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Smart grid optimization technology. |
$55M · Series C | Triodos Investment Management, Klima, Alantra | 11 to 50 | Energy & Nuclear, Business Intelligence | B2B, SaaS | Dublin, Ireland | •••••••••••@gridbeyond.com | |
Fast-charging network for electric vehicles. |
$332M · Series B | Rive Private Investment, PGGM, Bpifrance | 101 to 250 | Mobility & Transportation, Energy & Nuclear | B2C | Paris, France | •••••••••••@go-electra.com | |
Developer of fusion power plants. |
$21M · Seed | DeepTech & Climate Fonds (DTCF), Plural, Bayern Kapital | 11 to 50 | Energy & Nuclear | B2B | Munich, Germany | •••••••••••@proximafusion.com | |
Manufacturer of sustainable lithium-ion batteries. |
$5,000M · Debt Financing | Prima Materia, Vargas Holdings, Vattenfall | 1001 to 5000 | Energy & Nuclear, Manufacturing | B2C | Stockholm, Sweden | •••••••••••@northvolt.com | |
Data analytics platform for energy and freight markets. |
$34M · Series C | Mosaic Ventures, Notion Capital, Inclusive Ventures Lab | 51 to 100 | Data and Analytics, Energy & Nuclear | B2B, SaaS | London, UK | •••••••••••@vortexa.com | |
Battery energy storage developer. |
$250M · Series D | DIF | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2B | London, UK | •••••••••••@field.energy | |
Sustainable aviation fuel. |
$190M · Series D | Macquarie Capital | 11 to 50 | Space Tech, Energy & Nuclear | B2B | Amsterdam, Netherlands | •••••••••••@skynrg.com | |
Integrated energy development and investment platform. |
$18M · Series A | Climate Fund Managers, Microsoft Climate Innovation Fund | 11 to 50 | Energy & Nuclear, Investing | B2B | London, UK | •••••••••••@konexa.io | |
Renewable biofuels producer from landfill gases. |
$7M · Series A | Amberside Advisors | 1 to 10 | Climate Tech & Green Tech, Energy & Nuclear | B2B | London, UK | •••••••••••@renovare-fuels.co.uk | |
EV charging analytics paltform. |
$2M · Pre Seed | First Look Capital, RitMir Ventures, EQT Ventures | 1 to 10 | Data and Analytics, Energy & Nuclear | B2B, SaaS | London, UK | •••••••••••@camion.energy | |
Ayro is a shipping wind power company which designs and delivers wind propulsion systems such as Oceanwings, for maritime transport. |
$20M · Series B | Bpifrance, Blue Oceans Partners, Swen Capital Partners | 11 to 50 | Mobility & Transportation, Energy & Nuclear, Manufacturing | B2B | Paris, France | •••••••••••@ayro.fr | |
Smart EV charging software platform. |
$33M · Series B | Energy Impact Partners, National Grid Partners (NGP), Future Energy Ventures | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2B | London, UK | •••••••••••@ev.energy | |
EV charging platform. |
$87M · Series B | Quantum Light, GreenPoint Partners, Creandum | 101 to 250 | Mobility & Transportation, Energy & Nuclear | B2B | Copenhagen, Denmark | •••••••••••@monta.com | |
AI-powered energy optimisation platform for buildings. |
$5M · Series A | AMAVI Capital, Vantaan Energia, 4impact | 11 to 50 | Proptech & Real Estate, Energy & Nuclear | B2B, SaaS | Stockholm, Sweden | •••••••••••@myrspoven.se | |
Manufacturer of high energy and power density ultracapacitors. |
$113M · Series D | Siemens AG, First Floot Capital, Harju Elekter Group | 251 to 500 | Climate Tech & Green Tech, Energy & Nuclear, Manufacturing | B2B | Tallinn, Estonia | •••••••••••@skeletontech.com | |
Electro-methanogenic reactor (EMR) technology developer to transform waste into energy. |
$3M · Debt Financing | Hitachi Ventures, WEPA Ventures, Extantia Capital | 11 to 50 | Energy & Nuclear, Manufacturing | B2B | London, UK | •••••••••••@wase.co.uk | |
Ultra-fast EV chargers. |
$164M · Series C | Infrared Capital Partners | 11 to 50 | Mobility & Transportation, Energy & Nuclear | Munich, Germany | •••••••••••@jolt.energy | ||
Sustainable energy management service provider. |
$144M · Series D | CPP Investments | 51 to 200 | Climate Tech & Green Tech, Energy & Nuclear | B2B | Amsterdam, Netherlands | •••••••••••@power2x.com | |
Sustainable heating system for buildings. |
$6M · Seed | Crédit Agricole Innove en Normandie, Team for the Planet, France 2030 | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2B | Paris, France | •••••••••••@arkeonenergy.com | |
Green energy producer. |
$146M · Debt Financing | Siemens AG, Santander Bank, NatWest Group | 51 to 200 | Climate Tech & Green Tech, Energy & Nuclear | London, UK | •••••••••••@stateraenergy.co.uk | ||
Solar subscription platform. |
$6M · Seed | IPGL, Norrsken VC, Plug and Play Spain | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2C, Marketplace | London, UK | •••••••••••@sunsave.energy | |
Renewable energy producer. |
$86M · Series C | Balderton Capital, Accel, Creandum | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2C | London, UK | •••••••••••@fuseenergy.com | |
EV fleet management optimisation platform. |
$5M · Seed | Sequoia Capital, Dynamo | 1 to 10 | Mobility & Transportation, Energy & Nuclear | B2B, SaaS | Paris, France | •••••••••••@guided.energy | |
Renewable energy development platform. |
$53M · Series C | Vinci | 101 to 250 | Climate Tech & Green Tech, Energy & Nuclear | B2C | Luxembourg, Luxembourg | •••••••••••@natpower.com | |
Data analytics platform for the offshore wind sector. |
$9M · Series A | Climentum Capital, Seaya Ventures | 11 to 50 | Data and Analytics, Energy & Nuclear | B2B, SaaS | Copenhagen, Denmark | •••••••••••@aegirinsights.com | |
Onshore wind, solar and energy storage company. |
$247M · Series D | 547 Energy | 1 to 10 | Climate Tech & Green Tech, Energy & Nuclear | Dublin, Ireland | •••••••••••@aersoleir.com | ||
Carbon ratings agency. |
$49M | Molten Ventures, Illuminate Financial, Contrarian Ventures | 101 to 250 | Data and Analytics, Energy & Nuclear, Business Intelligence | B2B | London, UK | •••••••••••@bezerocarbon.com | |
Semiconductor manufacturer. |
$19M · Series A | Airbus Ventures, WE International, Nomainvest | 11 to 50 | Energy & Nuclear, Semiconductor | B2B | Brussels, Belgium | •••••••••••@e-peas.com | |
Manufacturer of core components and stacks for solid oxide fuel cells (SOFCs). |
$47M · Series B | Korea Shipbuilding & Offshore Engineering, VNT Management | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | Tallinn, Estonia | •••••••••••@elcogen.com | ||
Recycling Carbon Fiber Composite to produce a strong, light and ecological material with advanced technical grades |
$34M | Singular VC | 51 to 100 | Climate Tech & Green Tech, Hardware, Sportstech, Mobility & Transportation, Energy & Nuclear, Manufacturing, Community & Lifestyle | B2B | Paris, France | •••••••••••@fairmat.tech | |
Renewable plants monitoring platform. |
$6M · Series A | Kibo Ventures, A&G Energy Transition Tech Fund, SET Ventures | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear, Business Intelligence | B2B | Madrid, Spain | •••••••••••@greeneaglesolutions.com | |
EV charging network platform. |
$785M | BMW i Ventures | 101 to 250 | Mobility & Transportation, Energy & Nuclear, Manufacturing | B2B | Munich, Germany | •••••••••••@ionity.eu | |
Kayrros is an advanced data analytics company that helps global energy market participants make better investment decisions. |
$44M | Index Ventures, Opera Tech Ventures | 51 to 100 | Data and Analytics, Energy & Nuclear, Business Intelligence | B2B, SaaS | Paris, France | •••••••••••@kayrros.com | |
Phelas is developing an electricity storage system to use solar and wind power even when the sun is not shining and the wind is not blowing |
$4M · Seed | E44 Ventures, BNV Partners, Axon Partners Group | 11 to 50 | Energy & Nuclear, Manufacturing | B2B | Munich, Germany | •••••••••••@phelas.com | |
OS and data platform for construction. |
$8M · Series A | SYSTEMIQ, Entrepreneur First, Ascension Ventures | 11 to 50 | Proptech & Real Estate, Data and Analytics, Energy & Nuclear, Business Intelligence | B2B, SaaS | London, UK | •••••••••••@qualisflow.com | |
The Mobility House enables the integration of vehicle batteries into the power grid via intelligent charging, energy, and storage solutions. |
$51M | Alliance | 101 to 250 | Climate Tech & Green Tech, Hardware, Deep Tech, Energy & Nuclear, Manufacturing, Electric Vehicles | B2B | Munich, Germany | •••••••••••@mobilityhouse.com | |
Battery energy storage systems (BESS). |
$28M · Series B | OP Financial Group, Finnish Climate Fund, Superhero Capital | 1 to 10 | Climate Tech & Green Tech, Energy & Nuclear | Helsinki, Finland | •••••••••••@cactos.fi | ||
Energy management system. |
$21M · Series A | Bpifrance, Entrepreneur Invest | 51 to 100 | Energy & Nuclear | Paris, France | •••••••••••@citron.io | ||
Wind and solar parks. |
$32M | European Bank for Reconstruction and Development | 101 to 250 | Climate Tech & Green Tech, Energy & Nuclear | Tallinn, Estonia | •••••••••••@sunly.ee | ||
Manufacturer of solar power plants machinery and batteries. |
$102M · Series C | Climate Fund Managers | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2B | Oslo, Norway | •••••••••••@releasesolar.com | |
Battery energy storage development firm. |
$31M · Pre Seed | Siemens AG, NatWest Group, CIBC | 51 to 100 | Energy & Nuclear, Manufacturing | London, UK | •••••••••••@zenobe.com | ||
Clean energy procurement platform. |
$7M · Seed | Seedcamp, Revent, Norrsken VC | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | Paris, France | •••••••••••@granular-energy.com | ||
Manufacturer of autonomous minibuses. |
$15M · Seed | Bpifrance, CELAD | 11 to 50 | Mobility & Transportation, Energy & Nuclear | B2C | Paris, France | •••••••••••@millagroup.fr | |
Maritime battery systems developer. |
$4M · Series A | Rotterdam Port Fund, PDENH, InnovationQuarter | 11 to 50 | Energy & Nuclear, Manufacturing | B2B | Amsterdam, Netherlands | •••••••••••@est-floattech.com | |
Solar energy producer. |
$200M · Series B | BlackRock, Redalpine | 51 to 100 | Climate Tech & Green Tech, Energy & Nuclear | B2C | Frankfurt, Germany | •••••••••••@enviria.energy | |
Carbon credit procurement platform. |
$13M · Series A | Azora Capital, Global Founders Capital (GFC), Y Combinator | 1 to 10 | Fintech, Data and Analytics, Energy & Nuclear, Manufacturing, Business Intelligence | B2B, SaaS | London, UK | •••••••••••@abatable.com | |
Accenta is a technology company engaged in the research, is developing a solution |
$5M | Serena | 1 to 10 | Energy & Nuclear | B2B, SaaS | Paris, France | •••••••••••@accenta.ai | |
Altruistiq provides a platform that enables enterprises to automate sustainability data measurement, management, and exchange. |
$18M · Seed | Molten Ventures, Norrsken VC | 11 to 50 | Climate Tech & Green Tech, Fintech, Energy & Nuclear, Business Intelligence | B2B, SaaS | London, UK | •••••••••••@altruistiq.com | |
The intelligent energy and regulatory diagnosis of tertiary and industrial buildings for better asset management. |
$8M | Kima Ventures, Starquest Capital, Citizen Capital | 11 to 50 | Proptech & Real Estate, Mobile, Energy & Nuclear, Business Intelligence | B2B | Paris, France | •••••••••••@beeldi.com | |
Bramble Energy is an innovator energy technology company that designs and manufactures high-performance, low-cost, and fuel cell stack |
$6M | Business Growth Fund, Parkwalk Advisors | 1 to 10 | Energy & Nuclear, Manufacturing | B2B | London, UK | •••••••••••@brambleenergy.com | |
Rapidly scalable biochar carbon removal solution. |
$18M · Series A | True Ventures, Tesi, Cherry Ventures | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear | B2B | Helsinki, Finland | •••••••••••@carboculture.com | |
DCbrain is a deep-tech SaaS company that offers an optimization platform using AI and Hybrid AI algorithms. |
$5M | Aster Capital, Statkraft Ventures, InnoEnergy | 11 to 50 | AI, Data and Analytics, Energy & Nuclear, Business Intelligence, Supply Chain & Logistics | B2B, SaaS | Paris, France | •••••••••••@dcbrain.com | |
Deepki helps real estate owners reduce their carbon footprints. |
$9M · Series B | Highland Europe, Revaia, Statkraft Ventures | 101 to 250 | Climate Tech & Green Tech, Proptech & Real Estate, Energy & Nuclear, Business Intelligence | B2B, SaaS | Paris, France | •••••••••••@deepki.com | |
EkWateur provides an innovative and truly seamless customer experience in a collaborative environment. |
$11M · Series B | Aster Capital | 11 to 50 | Climate Tech & Green Tech, CPG & Consumer Goods, Energy & Nuclear, Manufacturing, Ecommerce | B2B, B2C, SaaS | Paris, France | •••••••••••@ekwateur.fr | |
Automated IoT platform for the optimal, real-time planning and dispatch of hydropower plants. |
$8M · Series A | CNB Capital, Inven Capital, SET Ventures | 11 to 50 | Energy & Nuclear, Internet of Things | B2B | Vienna, Austria | •••••••••••@hydrogrid.eu | |
Smart hybrid transformer manufacturer. |
$108k · Pre Seed | IQ Capital Partners, DIANA | 1 to 10 | Hardware, Energy & Nuclear, Manufacturing | B2B | London, UK | •••••••••••@ionate.energy | |
Commodities data & analytics intelligence platform. |
$200M | Insight Venture Partners | 101 to 250 | Fintech, Data and Analytics, Energy & Nuclear, Business Intelligence | B2B, SaaS | Brussels, Belgium | •••••••••••@kpler.com | |
Developer of environment-friendly fusion energy tecnology. |
$30M | Earlybird Venture Capital | 11 to 50 | Energy & Nuclear, Manufacturing | B2B | Munich, Germany | •••••••••••@marvelfusion.com | |
METRON is afoundation stone using artificial intelligence based on Energy Data and ontologies. |
$11M · Series B | Statkraft Ventures | 11 to 50 | Data and Analytics, Energy & Nuclear, Manufacturing, Business Intelligence | B2B, SaaS | Paris, France | •••••••••••@metronlab.com | |
Solar energy company. |
$105M · Series B | Good Energies, ITOCHU Corporation, Norsk Hydro | 501 to 1000 | Climate Tech & Green Tech, Energy & Nuclear, Manufacturing | B2B | Oslo, Norway | •••••••••••@norsuncorp.no | |
Nous is a software company that deals with household utilities. |
$9M · Seed | Mosaic Ventures | 11 to 50 | Fintech, Energy & Nuclear, Payments, Business Intelligence, Ecommerce | B2B, B2C, SaaS, Marketplace | London, UK | •••••••••••@nous.co | |
Transforming waste into energy. |
$27M | Wellington Partners | 11 to 50 | Hardware, Energy & Nuclear, Manufacturing | B2B | Munich, Germany | •••••••••••@orcan-energy.com | |
OS for electricity grids. |
$10M · Series B | Clean Growth Fund, Future Energy Ventures | 11 to 50 | Climate Tech & Green Tech, Deep Tech, Energy & Nuclear | B2B, Marketplace | London, UK | •••••••••••@piclo.energy | |
Petroleum-free pigments. |
$15M · Series A | Bpifrance, Elaia | 11 to 50 | Climate Tech & Green Tech, Biotech, Energy & Nuclear, Manufacturing | B2B | Paris, France | •••••••••••@pili.bio | |
Reel empowers all companies to procure renewable electricity that makes a real difference for the climate. |
$5M · Seed | Transition, The Footprint Firm, UVC Partners | 1 to 10 | Climate Tech & Green Tech, CPG & Consumer Goods, Energy & Nuclear, Ecommerce | B2B, B2C, Marketplace | Copenhagen, Denmark | •••••••••••@reel.energy | |
Solar panel subscription for homes. |
$50M · Seed | Atomico, GNE Finance, Telegraph Hill Capital | 11 to 50 | Climate Tech & Green Tech, Crypto & web3, Energy & Nuclear, Manufacturing | B2B, B2C | Barcelona, Spain | •••••••••••@solarmente.es | |
TrueCircle is building a marketplace to support waste processing facilities in selling the verified material they reclaim. |
$5M · Pre Seed | Lowercarbon Capital, Giant Ventures, Firstminute Capital | 11 to 50 | Climate Tech & Green Tech, Energy & Nuclear, Manufacturing, Business Intelligence | B2B, SaaS, Marketplace | London, UK | •••••••••••@truecircle.ai | |
Energy-saving LED and solar panel manufacturer. |
$32M · Series B | PCP, Ireland Strategic Investment Fund, Low Carbon | 1 to 10 | Climate Tech & Green Tech, Energy & Nuclear | B2C | Dublin, Ireland | •••••••••••@urbanvolt.com | |
Developer of commercial fusion reactors. |
$5M · Seed | Climentum Capital, Industrifonden, InnoEnergy | 1 to 10 | Climate Tech & Green Tech, Energy & Nuclear | B2B | Stockholm, Sweden | •••••••••••@novatronfusion.com |
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