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Boom Supersonic , the company building the world’s fastest airliner, led by Blake Scholl, Rachel Devine, Jeff Mabry, Megan Young, and others, has announced a backlog of more than $1.25 billion for its Superpower turbine and revealed its launch customer, Crusoe . The company also closed a $300 million funding round led by Darsana Capital Partners , with participation from Altimeter Capital , ARK Invest , Bessemer Venture Partners , Robinhood Ventures , and Y Combinator . Supe

Quilt , the world’s most intuitive, advanced, and efficient ductless heat pump on the market, led by Paul Lambert, Matthew Knoll, and Bill Kee, has secured a $20M Series B round from Energy Impact Partners , Galvanize , Lowercarbon Capital , Gradient Ventures , Alumni Ventures , Incite Ventures , and others. The company is welcoming Tom vonReichbauer (former CFO of Nest, Sunrun, and ICON) and Veery Maxwell (co-head of Galvanize Climate’s Innovation + Expansion fund)

Antares , building purpose-designed modular power for defense-critical assets, led by Jordan Bramble and Julia DeWahl , has secured $96 million in Series B led by Shine Capital with participation from Alt Capital , Caffeinated , 53 Stations , Industrious Ventures , and others. The capital provides the momentum and discipline needed to achieve a milestone not seen in the United States for decades: the ability to design, build, and test nuclear reactors within a few years ra

Future Energy Ventures , supporting ready-to-scale start-ups active in Europe, Israel, or the USA whose mission is to accelerate the energy transition and decarbonize society, led by Jan Lozek, Veronique Hördemann, Patrick Elftmann, Ohad Mamann, and others, has announced the closing of Future Energy Ventures Fund II with a volume of €205 million, along with a dedicated capital fund for Italy of €30 million. With this milestone, FEV becomes the largest European advisor for...

EcoG , empowering the scaling of charging infrastructure and accelerating emission-free mobility, led by Joerg Heuer, Johannes Hund, Sebastian Lucae, Pierdomenico Staglieno, and others, has raised €16 million in a Series B funding round led by GET Fund , Extantia , and Bayern Kapital . The fast-charging market for electric logistics and commercial fleets is growing quickly, but fragmented systems still hinder scale and reliability. Munich-based EcoG addresses this with an

PowerUP , developing and producing high-quality and sustainable energy generation products, led by Ivar Kruusenberg, Marit Riis, Kush Chadha, and Henri Kaar, has secured a €10 million Series A funding round co-led by dual-use venture firms Mercaton and ScaleWolf and joined by Estonia’s SmartCap Green Fund (funded by the European Union’s Next Generation EU), with strong participation from existing investors. The core of PowerUP’s strategy is a dual-use mission: providing r

Maritime Fusion , building a first-of-a-kind fusion reactor for marine and off-grid applications, led by Justin Cohen and Jason Kaufmann, has secured $4.5 million in seed funding led by Trucks VC , with participation from Paul Graham, Aera VC , Alumni Ventures , Y Combinator , and others. The HTS magnet lab in San Francisco is now operational, enabling rapid testing of prototype cables and magnets. A recent bench test carried 5 kA through the SHIELD HTS cable using liquid ni

Zap Energy , building a seriously cheap, compact, scalable fusion energy technology, led by Benj Conway, Brian A. Nelson, and Uri Shumlak, has achieved plasmas with electron pressures as high as 830 megapascals (MPa), or 1.6 gigapascals (GPa) total, comparable to the pressures found deep below Earth’s crust. The results are the highest-pressure performance to date in a sheared-flow-stabilized Z pinch and an important marker on the path to scientific energy gain, or Q>1. Fu

Pionix , making EV charging reliable, interoperable, and future-ready for everyone, led by Dr. Marco Möller, Johanna Claussen, Cornelius Claussen, Markus Juhr-De Benedetti, and Tim Valbert, has raised over €8 million led by Ascend Capital Partners , with participation from Start-up BW Seed Fonds , managed by MBG Baden-Württemberg , Pale blue dot , Vireo Ventures , Axeleo Ventures , and further investors. Despite major progress in e-mobility, EV charging remains fragmented du

Cambridge Photon Technology , transforming high-energy photons into silicon-optimised infrared light, led by Dr Claudio Marinelli, Prof. Akshay Rao, Adrian Watson, and others, has secured £1,556,000, comprising £926,000 in equity investment from Cambridge Enterprise Ventures , Spectrum Impact , Tybourne Capital, Providence Investment Company, and SourceSquared and £630,000 Clean Energy and Climate Technologies grant from the UKRI Innovate UK Investor Partnerships, enabled b

Redwood Materials , powering America’s energy future, led by JB Straubel, Chris Lister, Colin Campbell, Cal Lankton, Mandy Clark, and others, has secured a $350 million Series E funding round, led by Eclipse with participation from new strategic investors, including NVentures (NVIDIA’s venture capital arm). The oversubscribed round underscores strong momentum across Redwood’s two core business lines: Critical Materials, including cobalt, nickel, copper, lithium, and cath

Enspired , Europe’s leading optimizer for battery energy storage systems (BESS), led by Jürgen Mayerhofer, Wolfgang Eichberger, Cornelia Habetler, Jürgen Pfalzer, Johann Schütz, and Christoph Schreiber, has secured EUR 40 million in Series B funding. The round brings in Future Energy Ventures as a new partner, alongside renewed commitments from Zouk Capital , EnBW New Ventures , Banpu NEXT , PUSH VC , and 360 Capital , following enspired’s rapid expansion into multiple new

Xbattery , manufacturer of BMS electronics for EVs and energy storage, led by Satish Reddy, Sonu Mishra, and Varshith Veeramaneni, has...

Sun.solar , a solar equipment marketplace that connects installers with sellers, led by Agata Krawiec-Rokita, Bartosz Majewski, Krzysztof...

Sila , powering the world’s transition to clean energy by developing next-gen materials for batteries, led by Gene Berdichevsky, Gleb...

Factor2 , building geothermal power plants with CO2, led by Felix Böhmer, Michael Wechsung, Jörg Strohschein, Riekje Heuter, and Fabian...

Suena Energy , a technology company specializing in algorithmic optimization and the marketing of battery storage and renewable energies,...

Encentive , an AI-powered energy management platform led by Nicolàs Juhl, Daniel Ehnes, Torge Lahrsen, and Sascha Greve, has secured 6.3...

Proxima Fusion , Europe's fastest-growing fusion company, led by Francesco Sciortino, Lucio Milanese, Jorrit Lion, Martin Kubie, Jonathan...

Greenvoltis , an AI-Driven Intelligence Platform for Renewal Assets Optimization, led by Martin Kievit, Ali Shi, Hubert Kucharski, Sara...