What is Solestial?
Solestial specializes in the development and manufacturing of next-generation space-stable silicon photovoltaics. The company's core product suite includes flexible solar power modules and integrated solar power systems designed to withstand the harsh conditions of space, including the ability to self-cure radiation damage. By leveraging advanced materials science, Solestial offers energy solutions that are reportedly 90% more cost-effective than traditional III-V multijunction products. This technological advantage allows the company to serve both commercial satellite operators and government agencies, addressing the critical need for affordable, high-performance power in space-based infrastructure.
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, AE Ventures, and Zeon Ventures
Key Investors in Solestial
Crosscut Ventures Management
Crosscut is an early-stage venture capital firm based in Los Angeles that partners with founders to build innovative technology companies from Seed to Series A, focusing on energy transition and advanced manufacturing.
AE Ventures
AE Ventures is an investment company focused on early-stage startups, providing mentorship and advisory support to projects aiming to disrupt industries through innovative technological solutions.
Zeon Ventures
ZEON Ventures focuses on investing in materials and technologies aimed at enhancing sustainability, health, and prosperity, backed by the global expertise of Zeon Corporation.
What's next for Solestial?
With this major enterprise-level funding, Solestial is poised to accelerate its manufacturing capabilities and expand its operational footprint. The strategic roadmap likely involves scaling production lines to meet the increasing volume of commercial space missions and satellite constellations. Furthermore, the company is expected to deepen its engagement with government and defense contractors, leveraging its cost-advantage to become a standard-bearer for sustainable space energy. As the company matures, the focus will shift toward long-term reliability testing and the integration of its modules into next-generation spacecraft, ensuring that Solestial remains at the forefront of the burgeoning space economy.
See full Solestial company page