What is Zeno?
Zeno is positioned at the intersection of aerospace engineering and sustainable energy, focusing on the creation of plug-and-play power systems that function reliably in the most demanding conditions. By innovating on traditional radioisotope power system (RPS) architectures, the company is effectively lowering the barrier to entry for long-duration missions in space and critical infrastructure projects on Earth. Its technology is designed to be highly scalable, addressing a significant gap in the current energy market where traditional power sources often fail to meet the longevity and weight requirements of modern, high-performance applications.
How much funding has Zeno raised?
Zeno has raised a total of $70M across 2 funding rounds:
Series A
$20M
Series B
$50M
Series A (2022): $20M with participation from Tribe Capital Growth Corp I
Series B (2025): $50M led by Seraphim, The Vanderbilt University, JAWS Estates Capital, Hanaco, and Balerion Space Ventures
Key Investors in Zeno
Balerion Space Ventures
Balerion Space Ventures invests in emerging companies that are shaping the New Space Economy, with a focus on launch, Earth observation, propulsion, and dual-use defense technologies.
Hanaco
Hanaco Ventures is a venture capital firm focused on supporting founders with big ideas and turning their visions into successful businesses, operating from Herzliya and New York.
JAWS Estates Capital
Jaws is dedicated to supporting extraordinary individuals who are instrumental in building remarkable companies, providing resources and partnerships to foster innovation.
What's next for Zeno?
With this major enterprise-level funding, Zeno is well-positioned to transition from its current development phase into a more aggressive scaling and deployment strategy. The company is expected to leverage this capital to refine its manufacturing processes and expand its operational footprint, ensuring that its proprietary power systems can meet the increasing demand from both commercial and government sectors. As the space economy continues to mature, Zeno's focus on establishing reliable, long-term energy infrastructure will likely serve as a cornerstone for future exploration and industrial advancement, solidifying its role as a critical supplier in the global aerospace supply chain.
See full Zeno company page
