What is Solestial?
Solestial specializes in the development of next-generation space-stable silicon photovoltaics, offering a robust portfolio that includes flexible solar power modules and integrated energy solutions. By engineering products capable of self-curing radiation damage, the company addresses the critical durability requirements of modern satellite and space infrastructure. Their value proposition is anchored in cost-efficiency, with their solutions priced significantly lower than traditional III-V multijunction alternatives. This technological edge allows Solestial to serve a diverse client base spanning both commercial aerospace enterprises and government agencies, effectively bridging the gap between high-performance requirements and scalable manufacturing.
How much funding has Solestial raised?
Solestial has raised a total of $17M across 1 funding round:
Series A
$17M
Series A (2025): $17M with participation from Crosscut Ventures Management, Zeon Ventures, and AE Ventures
Key Investors in Solestial
Crosscut Ventures Management
An early-stage venture capital firm based in Los Angeles that partners with founders to build innovative technology companies, with a specific focus on energy transition and advanced manufacturing.
Zeon Ventures
The corporate venture arm of Zeon Corporation, focusing on investments in materials and technologies that enhance sustainability and quality of life.
AE Ventures
An investment firm providing early-stage funding and advisory support to startups, with a strong emphasis on disruptive technological innovation and global acceleration programs.
What's next for Solestial?
The recent infusion of capital will be instrumental in scaling Solestial's production capacity to meet the surging demand for reliable, long-duration space power. As the company transitions from its current development phase into a broader commercial rollout, the focus will shift toward optimizing supply chain logistics and deepening partnerships with key aerospace stakeholders. By leveraging its unique radiation-hardened solar technology, Solestial is poised to become a foundational supplier for the next generation of orbital and deep-space missions, driving the transition toward more sustainable and cost-effective space exploration.
See full Solestial company page
