Kyoto Fusioneering (KF) is relocating its U.S. headquarters to Oak Ridge, Tennessee, and will construct a new facility, UNITY-3, in collaboration with Oak Ridge National Laboratory (ORNL). The facility is designed to be the first in the world to test and validate the complete system for a fusion power plant’s heat extraction and tritium fuel cycle. UNITY-3 will focus on the integrated performance of the breeding blanket, a component essential for achieving a self-sustaining D-T fuel cycle by producing tritium from lithium. This public-private partnership aims to de-risk critical technologies required for the balance-of-plant, a major hurdle for the commercialization of fusion energy. Source: Kyoto Fusioneering

The UNITY-3 facility will provide a platform for testing the entire thermal and fuel cycle loop, from the breeding blanket to the power conversion system. Its primary objective is to generate engineering data under integrated and representative conditions, which is crucial for the design and licensing of future commercial fusion power plants. By simulating the operational environment of a fusion reactor's core-adjacent components, the facility will allow for the validation of thermal-hydraulic performance, tritium extraction efficiency, and materials compatibility. This data is essential for developers working on various magnetic confinement approaches, including tokamaks and stellarators, who require a proven solution for achieving a tritium breeding ratio greater than one. Source: Kyoto Fusioneering

The UNITY-3 facility will provide a platform for testing the entire thermal and fuel cycle loop, from the breeding blanket to the power conversion system.

The collaboration with ORNL provides Kyoto Fusioneering access to the laboratory’s extensive expertise in materials science, neutronics, and tritium handling. ORNL has a long history in fusion energy research and hosts significant facilities and scientific talent relevant to the challenges of the fusion fuel cycle and structural materials. This partnership exemplifies a growing trend in the private fusion sector of leveraging the deep technical capabilities of national laboratories to accelerate development timelines. The relocation of KF's U.S. headquarters to the Oak Ridge Corridor further solidifies the region as a hub for advanced energy technology, placing the company in close proximity to key research infrastructure and a specialized workforce. Source: Kyoto Fusioneering

UNITY-3 addresses a critical technology gap that exists outside of plasma physics but is fundamental to the economic and operational viability of any D-T-fueled fusion power plant. While significant progress has been made in plasma confinement, the engineering challenges of heat extraction and fuel self-sufficiency remain largely unsolved at a commercially relevant scale. By creating a dedicated testbed for these systems, KF and ORNL aim to provide the fusion industry with a standardized platform for qualifying blanket designs. This work is intended to support the broader ecosystem of fusion developers, many of whom lack the resources to build such specialized, non-core testing facilities independently. Source: Kyoto Fusioneering