Headquartered in Washington, D.C., Zeno Power is pioneering nuclear batteries powered by radioisotope decay—capable of delivering reliable heat and electricity for years in harsh environments like space, polar regions, and deep seas.
Having secured over $50 million in Series B funding and over $60 million in contracts from NASA and the U.S. Department of Defense, Zeno is shifting from early prototyping to scalable manufacturing. Its groundbreaking batteries are set to power everything from lunar landers to undersea infrastructure.

Why we invested?

The energy transition demands new sources of reliable, carbon-free power that can operate in places where solar, wind, and batteries fall short. Zeno Power is developing radioisotope power systems that provide safe, continuous energy for decades — powering critical applications from space exploration to remote terrestrial infrastructure. Leveraging advanced materials and deep nuclear engineering expertise, Zeno has reimagined legacy government technology into a scalable, commercial solution. With growing partnerships across defense, aerospace, and energy, the company is poised to play a pivotal role in enabling resilient, sustainable power where it’s needed most.