Website: [ambri.com](https://ambri.com) ### Introduction Ambri Incorporated, founded in 2010 as the Liquid Metal Battery Corporation and renamed Ambri in 2012, is a private American startup focused on developing advanced energy storage solutions. The company was established by Professor Donald Sadoway and Dr. David Bradwell, based on technology invented at the Massachusetts Institute of Technology (MIT). Headquartered in Marlborough, Massachusetts, Ambri employs a dedicated team, though exact current employee numbers are not publicly available (a 2016 report noted 37 employees [Wikipedia](https://en.wikipedia.org/wiki/Ambri_Inc.)). Ambri's mission is to revolutionize power grids by providing long-duration energy storage that increases the integration of renewable energy sources and reduces reliance on traditional power plants. Their Liquid Metal™ battery technology aims to address global energy challenges by offering sustainable, reliable, and safe storage solutions capable of daily cycling, even in harsh environments. As a private entity, Ambri does not have a publicly traded ticker symbol. The company has faced financial challenges in recent years, including a Chapter 11 bankruptcy filing in 2024, but has since emerged from restructuring with renewed focus on commercialization. This report compiles the most current information available from web sources, news articles, and company announcements to provide a comprehensive overview of Ambri's status and potential. ### Key Products and Technology Ambri's primary innovation is its **Liquid Metal™ Battery**, a grid-scale energy storage system designed for long-duration applications. - **Name and Type**: Liquid Metal™ Battery (molten-salt battery technology) - **Technical Specifications**: Capable of delivering 4 to 24 hours of energy storage capacity, suitable for shifting renewable energy production to times of high demand. Specific power output and efficiency metrics are not publicly detailed in recent sources, but the technology is optimized for daily cycling with minimal degradation over a 20+ year lifespan ([Ambri.com](https://ambri.com)). - **Fuel Type or Energy Source**: The battery uses liquid metal electrodes (initially magnesium-antimony, later iterations include calcium-antimony) and a molten salt electrolyte, storing energy from renewable sources like wind and solar. - **Key Differentiators**: Unlike lithium-ion batteries, Ambri’s technology has no risk of thermal runaway, produces no gases, and is safe for extreme environments. It offers cost advantages through long lifespan and minimal fade, making it a sustainable alternative for grid-scale storage ([Ambri LinkedIn](https://www.linkedin.com/company/ambri)). - **Development Stage**: The technology has moved beyond concept and prototype stages, with Ambri focusing on commercialization. While not yet widely deployed at commercial scale, pilot projects and contracts (e.g., a 2020 agreement for a 250 MWh data center installation in Nevada) indicate progress toward operational status ([Wikipedia](https://en.wikipedia.org/wiki/Ambri_Inc.)). - **Target Customers**: Primarily utilities, renewable energy developers, and data centers seeking long-duration storage to balance intermittent energy sources and meet peak demand. Ambri continues to refine its calcium-antimony battery chemistry, aiming for lower costs and improved performance, positioning it as a potential game-changer in energy storage. ### Regulatory and Licensing Status As a non-nuclear energy storage company, Ambri is not subject to Nuclear Regulatory Commission (NRC) oversight or licensing requirements. Instead, its regulatory landscape involves compliance with environmental, safety, and energy standards at [[Federal|federal]], state, and local levels. There are no specific public disclosures on regulatory milestones or barriers in recent data, suggesting that Ambri’s focus is more on technical and commercial hurdles rather than regulatory ones. The company must adhere to guidelines from agencies like the Department of Energy (DOE) or Environmental Protection Agency (EPA) for battery manufacturing and deployment, but no significant regulatory delays or issues have been reported in the latest updates. Given the nature of its technology, Ambri’s path to commercial deployment likely depends on securing customer contracts and meeting industry certifications rather than navigating a formal licensing process. Estimated timelines for first commercial deployment remain unclear in public sources, though the company’s post-bankruptcy restructuring in 2024 indicates a renewed push toward market entry ([Energy-Storage.News](https://www.energy-storage.news/liquid-metal-startup-ambri-back-in-business-after-chapter-11-bankruptcy/)). ### Team and Leadership Ambri’s leadership team includes experienced professionals in energy technology and business development. While specific bios and social media handles are limited in current public data, key figures include: - **Donald Sadoway (Founder and Scientific Advisor)**: A professor at MIT, Sadoway invented the liquid metal battery technology and remains a guiding force in Ambri’s innovation. His expertise in electrochemistry is central to the company’s R&D. - **David Bradwell (Co-Founder and Former CTO)**: Bradwell co-developed the technology with Sadoway at MIT and played a key role in early technical advancements. - **Current CEO**: Specific information on the current CEO post-restructuring in 2024 is not widely available in recent public sources. Updates on executive leadership may be forthcoming as Ambri stabilizes. Due to limited verified social media information, X handles for leadership are omitted. The team’s academic and technical roots at MIT provide a strong foundation for innovation, though operational and financial leadership will be critical following recent challenges. ### Funding and Financial Position Ambri has historically attracted significant investment but faced financial difficulties in recent years. Key funding details include: - **Total Funding Raised**: Over $184 million across multiple rounds. Early investments in 2012 and 2014 totaled $40 million from prominent backers like Bill Gates, [[Khosla Ventures]], Total S.A., and GVB ([Wikipedia](https://en.wikipedia.org/wiki/Ambri_Inc.)). - **Latest Round**: In August 2021, Ambri secured $144 million in financing led by Reliance New Energy Solar Ltd to support commercialization and build a domestic manufacturing facility ([Ambri.com](https://ambri.com/ambri-inc-secures-144m-financing-for-battery-technology-for-daily-cycling-long-duration-energy-storage-applications/)). - **Recent Financial Challenges**: In 2024, Ambri filed for Chapter 11 bankruptcy after a failed Series F round and the withdrawal of bridge financing by Reliance. However, the company emerged from restructuring in August 2024 with the sale of its assets finalized, signaling a potential fresh start ([PV Magazine USA](https://pv-magazine-usa.com/2024/08/05/liquid-metal-battery-storage-specialist-ambri-emerges-from-restructuring/)). - **Key Investors**: Historical backers include Bill Gates, Khosla Ventures, and Reliance New Energy Solar Ltd. - **Revenue Status**: Ambri remains pre-revenue at scale, with no widespread commercial deployments reported. Contracts like the 2020 TerraScale agreement for a 250 MWh installation suggest potential future revenue streams ([Wikipedia](https://en.wikipedia.org/wiki/Ambri_Inc.)). Financial data post-restructuring is limited, and the company’s ability to secure new funding will be crucial for scaling operations. ### Recent News and Developments | Date | Event | Details | |---------------|--------------------------------|---------------------------------------------------------------------------------------------| | Aug 5, 2024 | Restructuring Completed | Ambri emerges from Chapter 11 bankruptcy with asset sale finalized, signaling a fresh start ([PV Magazine USA](https://pv-magazine-usa.com/2024/08/05/liquid-metal-battery-storage-specialist-ambri-emerges-from-restructuring/)). | | Aug 2, 2024 | Post-Bankruptcy Update | Reports confirm Ambri’s intent to resume business operations post-restructuring ([Energy-Storage.News](https://www.energy-storage.news/liquid-metal-startup-ambri-back-in-business-after-chapter-11-bankruptcy/)). | | May 10, 2024 | Bankruptcy Filing | Ambri files for Chapter 11 after failed Series F and Reliance backing out of bridge financing ([Latitude Media](https://www.latitudemedia.com/news/how-liquid-metal-battery-maker-ambri-ended-up-on-the-auction-block/)). | | Jan, 2024 | Operational Challenges | Limited public updates on projects or partnerships amid financial restructuring efforts. | | Aug, 2021 | Major Funding Round | Secured $144 million led by Reliance New Energy Solar Ltd for commercialization ([Ambri.com](https://ambri.com/ambri-inc-secures-144m-financing-for-battery-technology-for-daily-cycling-long-duration-energy-storage-applications/)). | Note: Information for 2024 is focused on financial restructuring, with limited updates on new projects or partnerships. Additional developments may not be publicly documented yet. ### Partnerships and Collaborations Ambri has pursued strategic partnerships to advance its technology and market reach, though recent data is sparse due to the company’s financial challenges: - **TerraScale (2020)**: Agreement to deliver a 250 MWh energy storage system for a data center in Churchill County, Nevada. This partnership highlights Ambri’s focus on data center applications and renewable energy integration ([Wikipedia](https://en.wikipedia.org/wiki/Ambri_Inc.)). - **Reliance New Energy Solar Ltd (2021)**: As a lead investor in the $144 million round, Reliance provided strategic backing, though their withdrawal from bridge financing in 2024 contributed to Ambri’s bankruptcy filing ([Latitude Media](https://www.latitudemedia.com/news/how-liquid-metal-battery-maker-ambri-ended-up-on-the-auction-block/)). Post-restructuring partnerships or new contracts are not yet reported in available sources. Ambri’s focus on grid-scale storage suggests future collaborations with utilities and renewable developers will be key to its success. ### New Hampshire Relevance Ambri’s technology could have potential applications in [[New Hampshire]], aligning with the state’s energy goals and infrastructure needs: - **Proximity to Infrastructure**: New Hampshire’s connection to the ISO-NE grid and proximity to [[Seabrook Station]] (a nuclear power plant) create opportunities for grid-scale storage to balance renewable integration and peak demand. Ambri’s long-duration storage could support grid stability in the region. - **Technology Readiness**: While Ambri is not yet at commercial scale, its post-2024 restructuring suggests a timeline that could align with NH’s medium-term energy storage needs, potentially within 5-10 years if deployments accelerate. - **Legislative Alignment**: NH’s legislative initiatives, such as HB 710, focus on clean energy and grid modernization. Ambri’s sustainable, non-toxic battery technology fits well with state goals for renewable energy adoption and reducing carbon emissions. - **Potential Applications**: Beyond grid power, Ambri’s systems could serve NH’s growing data center sector (supporting load balancing) and industrial facilities needing reliable energy storage. - **NH Connections**: There are no specific reported connections to NH, but Ambri’s location in Massachusetts and focus on the Northeast US market (e.g., data center projects) suggest potential interest in regional deployment. Ambri’s technology could be a future asset for NH’s energy transition, though its current pre-commercial status means deployment would likely be a longer-term prospect. ### Competitive Position Ambri operates in the competitive energy storage market, facing rivals with established or alternative technologies: - **Tesla (Energy Storage Division)**: Tesla’s lithium-ion battery systems, like the Megapack, are already widely deployed for grid-scale storage. Tesla’s advantage lies in scale and proven reliability, while Ambri’s longer lifespan and safety features could be differentiators if commercialized successfully. - **[[Form Energy]]**: Another long-duration storage innovator, Form Energy focuses on iron-air batteries with multi-day storage capabilities. Like Ambri, it targets renewable integration, but its different chemistry may appeal to different use cases. - **[[ESS Inc]].**: ESS offers flow battery technology for long-duration storage, competing directly with Ambri in the grid-scale market. ESS has progressed further in commercial deployments, posing a challenge to Ambri’s market entry. Ambri’s unique liquid metal chemistry offers safety and durability advantages, but its recent financial struggles and slower path to commercialization present risks compared to competitors with more mature offerings. ### Closing Note Ambri is at a critical juncture, emerging from 2024 bankruptcy with a focus on commercializing its promising Liquid Metal™ battery technology, though its trajectory depends on securing new funding and partnerships. (Note: No official RSS feed for press releases or news was found on [Ambri.com](https://ambri.com) or related sources after a thorough search.) *Report generated December 24, 2025*