en.Wedoany.com Reported - UK-based Space Solar and US-based Lonestar have announced plans to collaborate on hosting Lonestar's StarVault data storage module on space solar spacecraft. Space Solar is dedicated to building space-based solar power and the large in-orbit assembled power structures needed for the orbital economy, while Lonestar has already stored data on the Moon.
This collaboration combines the two concepts of space data storage and orbital power supply, aiming to address the biggest constraint in the orbital data center sector: power. Currently, the practical power ceiling for deployable solar arrays is around 500 kilowatts, with engineering complexity rising sharply beyond 200 kilowatts. Space Solar's modular, in-orbit assembled structures can provide kilowatt- to megawatt-scale clean orbital power, as well as the platform area needed to host clusters of distributed data systems.
The collaboration has identified three core work areas. First is joint engineering, where both parties will conduct joint research to adapt the StarVault module for operation on Space Solar spacecraft and optimize it for larger orbital platforms. Second is mutual data services, where Space Solar's own missions and customers will benefit from Lonestar's secure storage and processing capabilities, with both parties acting as hosts and potential customers for each other. Third is multi-orbit deployment, with plans to host StarVault modules in low Earth orbit, medium Earth orbit, and geostationary orbit to establish a distributed secure data architecture.
Lonestar plans to participate as a hosted payload customer in Space Solar's first in-orbit assembly demonstration mission—OSPREYBuilder, which is currently scheduled for 2028. From 2030 onward, the two parties plan to expand to larger, higher-power hosting structures. After Lonestar scales from hundred-watt and kilowatt systems to a full constellation, Space Solar's assembled structures could potentially host hundreds or even thousands of StarVault systems in the future, operating as a single interconnected architecture in space.
Sam Adlen, Co-CEO of Space Solar, stated that Lonestar is a pioneer in sovereign, resilient data storage in space, and through this collaboration, both parties can offer customers services that neither could provide alone. Chris Stott, Chairman and Founder of Lonestar, noted that Lonestar is building an interconnected vault constellation across orbits, and scaling up requires power, making Space Solar's in-orbit assembly capability a key element. The two parties plan to establish a joint technical working group to identify pilot mission opportunities and explore broader investment, joint venture, or strategic cooperation frameworks.
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