April 6, 2026 | New funding for lithium-free energy storage solutions, battery optimization, and software to manage power flow, coatings, new electrodes, and more.
$300M: Series B for Lithium-Free Storage
EnerVenue Holdings, Ltd., a company commercializing energy storage solutions designed to behave like durable infrastructure, has closed a U.S. $300 million extension of its Series B preferred stock financing round. The extension round was led by Full Vision Capital, included an additional new investor, and signifies renewed enthusiasm for the energy storage technology innovator. The company also named Henning Rath as Chief Executive Officer. Read more.
$50M: Series B for Battery Optimization
Entrix has raised €43 million in funding and reached 3 GW / 8.5 GWh of contracted battery storage capacity. Of the contracted portfolio, 2 GW will be live and operational during 2026. Entrix operates a large and growing portfolio of battery storage systems across Europe, with more than 70 systems under management, ranging from standalone projects to co-located solar-plus-battery models. The company maintains offices and local teams in Germany, Italy, Spain, and Poland, ensuring strong market proximity and regulatory expertise across its core European markets. The funding is led by Junction Growth Investors and Korys, alongside BNP Paribas via its Solar Impulse Venture Fund, Allianz, AENU, Enpal, Abacon, and Arvantis Group. Read more.
$21M: Series A for BESS Datasets
Halcyon, the AI platform for energy, has raised a $21 million Series A round, led by Energize Capital, with participation from Zero Infinity Partners, Congruent Ventures, Obvious Ventures, Sabanci Climate Ventures, and others. Halcyon makes complex and fragmented energy information discoverable, actionable, and valuable. Unlike general-purpose AI tools, Halcyon is built on the most comprehensive catalog of energy regulatory data available. Halcyon helps energy professionals through two core offerings. Halcyon Platform is an AI-powered software that lets users search and query across thousands of regulatory filings, dockets, and energy datasets in natural language, and deploy agentic alerts that monitor and surface critical developments to help hyperscalers and digital infrastructure providers; financial services firms; and energy developers and utilities. Halcyon Data Subscriptions are structured, continuously updated datasets purpose-built for energy decision-making, including the Large Load Tariff Tracker, Gas Power Plant Tracker, Battery Energy Storage System (BESS) Tracker, Rate Case/Cost-of-Capital Tracker, and New Substation Development Tracker. Read more.
$14M: Series B for Sodium Battery Technology
Beijing Hedian Technology Co., has completed its Series B financing. This financing will further promote the company’s R&D and industrialization process in the field of sodium battery technology. The company focuses on the research and development of polyanionic materials and Prussian blue-based materials with high safety characteristics, and is committed to providing sodium battery products with high energy density and long cycle life. The successful completion of this Series B financing round signifies the market’s high recognition of Hedian Technology’s technological strength and commercial prospects. The company stated that it will increase R&D investment, optimize product performance, and actively expand market applications to contribute more to the global energy storage field. Read more.
$13.9M: Series A to Avoid Power Bottlenecks
Scalvy, a distributed power delivery company transforming how energy is supplied at large scale, has raised $13.9 million in an oversubscribed Series A funding round. The round was led by a strategic investor and Silicon Badia, with participation from Azolla Ventures, Climate Capital, Skyriver Ventures, and others. This funding increases Scalvy’s total capital raised to approximately $17 million and will accelerate certification, field testing, and deployment of its platform across AI data centers, energy storage, and electric mobility, while supporting rapid team expansion to meet rising customer demand. Read more.
$10M: Series B for Polymer Coatings
Sepion Technologies, a developer of advanced polymer coatings for lithium-ion battery separators and next-generation chemistries, announced the closing of a $10 million Series B financing round led by Fine Structure Ventures, with strategic participation from W. L. Gore & Associates and Syensqo Ventures, alongside Volo Earth Ventures, Chailease, Catalus Capital, Impact Science Ventures, and ACVC Partners. This financing follows increasing inbound demand from global battery manufacturers, reflecting strong customer pull and a clear path to near-term revenue driven by commercially ready products. Sepion will use the proceeds of this Series B to scale U.S.-based polymer production, fulfill commercial purchase orders, expand its SEPION POWER and SEPION SHIELD product lines, and strengthen quality and operations. Read more.
$10M: Series B for Battery Management System Chips
Anabatic Semi, a startup specializing in battery management system (BMS) semiconductors, has raised 15 billion won in new funding, with proceeds earmarked for mass production of its BMS chips. Returning investors Smilegate Investment, Mirae Asset Venture Investment and JB Investment participated in the round, while new investors included Industrial Bank of Korea, IM Investment Partners and Ecopro Partners. Anabatic Semi has developed an analog front-end (AFE) semiconductor, the ABS8210, designed to monitor the condition of batteries in energy storage systems (ESS) and electric vehicles in real time. The company said the chip integrates key functions into a single device, improving efficiency and positioning it as a domestic alternative in a market largely dominated by overseas suppliers. Read more.
$7.25M: Series A to Scale Lithium Ion Electrodes
Ateios Systems has closed $7.25 million in Series A funding to scale production of its next-generation lithium-ion battery electrodes and expand supply to global battery manufacturers. The round was led by TitletownTech, with participation from existing investors Elevate Ventures, VisionTech Partners, Good Growth Capital, Lateral Capital, Techstars, and Keshif Ventures, as well as new investors JHH Ventures, Stonecast Ventures, Zaka Ventures, Carat Venture Partners, and E8 Angels. Ateios’ high-speed electrode manufacturing lines, powered by the company’s solvent-free RaiCure electron-curing platform, are enabling battery manufacturers to modify existing assembly lines to qualify RaiCore electrodes toward gigawatt-hour production. The new capital will support the expansion of Ateios’ commercial engagements with battery and advanced materials partners, including ongoing work with companies such as Eastman Kodak and Vianode, while positioning the company to meet growing demand for its RaiCore electrodes. It will also enable Ateios to increase production capacity and further advance its manufacturing capabilities as it moves toward supplying battery manufacturers at larger commercial scale. Read more.
$6M: Series A for AI Platform to Manage Battery Storage
Fukuoka-based Tensor Energy, an AI platform for renewable energy management, has secured $6 million in a Series A funding round. Led by Global Brain with participation from Globis Capital Partners and Delight Ventures, the investment brings its total funding to $10.7 million. The capital will accelerate the growth of its “Tensor Cloud” service as Japan’s energy sector undergoes a significant transformation. Tensor Energy’s “Tensor Cloud” platform offers a direct solution by using AI to manage solar plants and battery storage systems. It integrates power generation forecasting, revenue management, and battery optimization to maximize the value of renewable assets. This technology enables asset owners to navigate the complexities of the energy market and utilize clean power more efficiently. Read more.
