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Mariana Minerals, a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies, led by Turner Caldwell and the team, has announced its $310 million Series B financing, led by Khosla Ventures, with continued support from Andreessen Horowitz (a16z) and Breakthrough Energy Ventures, and new participation from Greenoaks, Halo Fund, Pax Ventures, StepStone Group, BHP Ventures, Washington Harbour

Valar Atomics, scaling nuclear energy for heavy industrial power and clean hydrocarbon fuel production, led by Isaiah Taylor, has announced the closing of a $1 billion Series B financing led by Sequoia Capital. As part of this new partnership, Valar welcomes Sequoia partner Shaun Maguire to Valar’s board of directors. Sequoia was joined in this round by Apandion, Atreides Management, Conviction, Dream Ventures, HOF Capital, Point72, Riot Ventures, Snowpoint Ventures, Valor Eq

Commonwealth Fusion Systems, the world's largest and leading commercial fusion energy company led by Bob Mumgaard, Brandon Sorbom, Steve Renter, and others, has announced that it raised $1 billion of additional equity financing. This capital raise is the single largest funding round among fusion energy companies worldwide since CFS announced its $1.8 billion Series B round in 2021. With this capital, and the $863 million the company raised last year, CFS has now raised a tota

Antares, building compact nuclear microreactors to deliver reliable, mobile energy where it’s needed most: remote military bases, austere industrial sites, and, one day, deep space and underwater missions, led by Jordan Bramble and the team, has raised $470 million in Series C funding, co-led by Paradigm and Caffeinated Capital, with participation from Point72 Ventures, Shine Capital, Industrious Ventures, and others. The funding will accelerate Antares’ transition from a pro

Sila, building and scaling next-gen battery materials, led by Gene Berdichevsky, Gleb Yushin, and the team, has secured $300 million in a private equity round led by Atreides Management and Sutter Hill Ventures. The round is joined by 8VC, Bessemer Venture Partners, Matrix Partners, funds and accounts advised by T. Rowe Price Associates, Inc, and other existing and new investors. The raise will accelerate U.S. production of Sila’s silicon-carbon (Si/C) anode technology, Titan

Bluecore Energy, democratizing access to clean energy, led by Kofi Asante and the team, has emerged from stealth with a new approach to meeting the growing energy demands of the near future. As cities, ports, hospitals, data centers, and industry place increasing demands on the grid, building new energy generation infrastructure can take over a decade. The company has raised approximately $10 million in an oversubscribed financing round to accelerate technology development an

Gridcog, accelerating the global deployment of flexible energy assets, led by Fabian Le Gay Brereton, Pete Tickler, Genna Boyle, and Matt Ryan, has raised a US$10m (£7m) Series A investment round led by ABB, with participation from Axpo, DNV Ventures and VERBUND X Ventures. AlbionVC and the Clean Energy Finance Corporation, both existing shareholders, continue to back Gridcog through this round. As renewable energy becomes the dominant source of new power capacity worldwide,

Axle Energy, connecting EVs, batteries, and heat pumps to energy markets through a single, unified API, led by Karl Bach and Archy de Berker, has raised a $25m Series A led by Energize Capital, with continued participation from existing investors Accel, Picus Capital, and Eka. Axle has spent the past three years building a platform that enables distributed energy assets such as batteries, EVs, and heat pumps to participate in electricity markets. The company has delivered hun

Bohr Energie, a French scale-up specializing in the aggregation, optimization, and management of distributed renewable and storage assets, announced a €10 million Series A funding round led by Suma Capital through its SC Net Zero Ventures fund, dedicated to European scale-ups developing technologies for energy transition and decarbonization, with participation from Irdi Capital Investissement, GSO Capital, and Crédit Agricole. Existing investors Varsity, Founders Future, and

Proxima Fusion, building stellarators to power the future, led by Francesco Sciortino, Lucio Milanese, Jorrit Lion, Jonathan Schilling, and Martin Kubie, has raised a €411 million ($468 million) financing round, bringing the company’s valuation to €2.4 billion ($2.7 billion) and establishing Proxima as the best-funded fusion company in Europe. The round was led by XTX Ventures and East X Ventures, with RWE and Google as strategic investors. KfW Capital, SPRIND and Burda Princ

TaiSan, building next-gen sodium batteries for micromobility, led by Sanzhar Taizhan and the team, has raised £4.65M co-led by Eos Advisory, and the Midlands Engine Investment Fund II through fund manager Mercia Ventures, with participation from AFI Ventures, EverQuest Capital Partners, Adeline Arts & Science, Techmind, angel François Badelon, and existing investors InnoEnergy, TSP Ventures, Exergon, and Heartfelt. Of the total raised, £700,000 came from Innovate UK, which pr

Realta Fusion, decarbonizing industrial heat and power with compact, scalable, modular – CoSMo fusion™ – energy systems, led by Kieran Furlong, MBA, Cary Forest, PhD., Jay Anderson, PhD., Ben Lindley, PhD., Oliver Schmitz, PhD., and the team, in collaboration with partners at the University of Wisconsin-Madison demonstrated direct energy conversion (DEC) on the Wisconsin HTS Axisymmetric Mirror (WHAM) prototype fusion device. This is the first time a commercial fusion company

Companion.energy, the platform for power pioneers navigating the energy transition, led by Thomas Vyncke and Jonas Verstraeten, has announced the close of a €7.8 million seed round led by Realyze Ventures (Germany) and Pi Labs (United Kingdom), with participation from Asterion Ventures (France) and existing investors. Rapid Growth Driven by Enterprise Energy Management. Over the past year, the company increased both revenue and its customer base tenfold, surpassing €1 million

Helion, a Washington-based fusion energy company, led by Dr. David Kirtley(Founder & CEO), Chris Pihl(Co-Founder & CTO), and Dr. George Votroubek(Co-Founder & Principal Scientist), has announced a $465 million Series G investment round, bringing the total invested to date in Helion to $1.5 billion and valuing the company at $15.5 billion post-money. The raise was led by Thrive Capital, with participation from additional new investors, including Alta Park Capital, Anti Fund, B

Focused Energy, the world’s leading laser fusion company, led by Thomas Forner, Prof. Dr. Markus Roth, and the team, has raised $240 million in a Series A financing round. In addition to RWE, the investors include the Federal Agency for Breakthrough Innovation SPRIND, the European Innovation Council Fund, and the previous lead investor, Prime Movers Lab. Strategic Backing for Fusion Commercialization. The oversubscribed funding round attracted investors from Germany, Europe,

Mantle8, unearthing natural hydrogen, led by Emmanuel Masini, has raised €31M in Series A funding led by Sandwater and includes Breakthrough Energy Ventures, Ecotechnologies 2 fund managed on behalf of the French government by Bpifrance, IP Group, Wind Capital, and Calderion (an Audacia-backed investment platform). This capital will fund the next two years of advanced natural hydrogen exploration and drilling. Mantle8 will deploy its technology platform to identify and rank p

Moment Energy, developing a new standard for commercial-scale energy storage, led by Edward Chiang and the team, announced it is building the world’s largest battery repurposing facility in Vancouver, British Columbia, over the next 6 weeks, marking a major step forward in scaling domestic energy storage infrastructure and the fastest in the world to scale battery manufacturing. The announcement follows the company’s $40M Series B, bringing total funding to over $100M and ref

Proxima Fusion, building stellarators to power the future, led by Francesco Sciortino, Lucio Milanese, Jorrit Lion, Martin Kubie, and the team, has announced the creation of its Industrial Development Board (IDB), bringing together some of Europe's most experienced industrial and energy leaders to accelerate the shift from fusion science to large-scale industrial deployment. The IDB members include Luc Rémont, former CEO of EDF and Schneider Electric, Dr. Michael Bolle, forme

Moment Energy, building a new standard for commercial-scale energy storage, led by Edward Chiang, Sumreen Rattan, Gabriel Soares, and Gurmesh Sidhu, has raised a $40 million Series B funding round, bringing its total capital raised to over $100 million. The Series B round was led by Evok Innovations, with participation from Liberty Mutual Investments, W23 Global Fund, and Acario (the corporate venture capital arm of Tokyo Gas), joining the company’s major investors, Amazon’s

Decade Energy, making electric the most reliable and competitive transportation choice for road transport operators, led by Casper Norden, Alexandre Cleret, Carl-Magnus Norden, and Alejandro Ortega, has raised €22 million to scale deployment across France, expand its product offering, and enter new international markets. The financing is led by Eiffel Investment Groups and SET Ventures, along with existing investors. Powering Truck Electrification As truck electrification acc