§ Funding Round
Inertia raised $450M Series A venture round, led by Bessemer Venture Partners.
Inertia, a San Francisco, California-based fusion-energy company, recently secured $450 million in Series A funding. The company, founded in 2024, is dedicated to building and commercializing fusion power by translating scientific breakthroughs in inertial confinement fusion into grid-scale power plants. This significant investment will accelerate their commercialization roadmap, including the development of the "Thunderwall" laser system and establishing a production line for fusion fuel targets.
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IQT | — | — |
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Threshold | — | — |
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WndrCo | — | — |
This company has completed 1 funding round. Current round is highlighted.
Total Raised
$450M
Top Valuation
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Inertia's primary goal is to commercialize fusion power, specifically inertial confinement fusion, to generate grid-scale, gigawatt fusion power plants within the next decade.
Inertia raised $450 million in its Series A funding round.
Bessemer Venture Partners led Inertia's Series A funding round.
The Series A funding will be used to advance Inertia's commercialization roadmap, including developing the "Thunderwall" laser system and establishing a production line for mass manufacturing fusion fuel targets.
Inertia, the innovative fusion energy company, has successfully closed a monumental $450 million Series A funding round. This significant investment underscores strong investor confidence in Inertia's mission to commercialize fusion power. The round was spearheaded by Bessemer Venture Partners, with crucial contributions from a diverse group of prominent investors including GV (Google Ventures), Modern Capital, Threshold Ventures, Neo, Uncork Capital, Long Journey Ventures, WndrCo, and IQT. This capital infusion is poised to propel Inertia's ambitious development and commercialization initiatives forward.
At the core of Inertia's technological advancements is the development of the "Thunderwall" laser system. This cutting-edge system is critical to their inertial confinement fusion approach, building upon foundational scientific breakthroughs made at the National Ignition Facility at Lawrence Livermore National Laboratory. The $450 million Series A funding will directly support the accelerated development and deployment of the Thunderwall system, a key component in achieving sustainable, grid-scale fusion power.
The substantial Series A funding will be strategically deployed to advance Inertia's commercialization roadmap. A primary focus will be the establishment of a robust production line dedicated to the mass manufacturing of fusion fuel targets. This industrial-scale production capability is essential for scaling their technology from laboratory success to commercial viability. Inertia's overarching goal is to deliver grid-scale, gigawatt fusion power plants within the next decade, transforming the global energy landscape.
Inertia is at the forefront of the clean energy revolution, aiming to harness the immense power of fusion to provide a sustainable and virtually limitless energy source. By leveraging decades of scientific research and recent breakthroughs, the company is committed to delivering a safe, clean, and economically viable fusion power solution. The Series A funding round marks a critical milestone in realizing this vision, enabling Inertia to accelerate its efforts to bring commercial fusion energy to the world.
