Solestial is a U.S.-based solar energy company focused on developing silicon photovoltaic products for space applications. They specialize in producing ultra-thin, flexible silicon solar cells and modules designed to self-cure radiation damage and operate in the harsh conditions of space, particularly in Low Earth Orbit (LEO). Solestial aims to provide lower-cost, durable, and scalable solar energy solutions for the new space economy, targeting satellite constellations, research projects, and future space infrastructure. They partner with organizations like DCUBED and Meyer Burger to develop and manufacture advanced solar arrays.
All verified mentions of this organization in source documents.
Solestial has approximately 95 percent of its supply chain based domestically.
Upon closing, Solestial will operate as a wholly owned subsidiary of York Space Systems.
Solestial can now perform wafer-to-module manufacturing entirely within the United States.
Solestial produces the industry's only self-healing silicon technology proven in orbit.
York Space Systems expects the Solestial acquisition to reduce its supply chain risk and support lower-cost, more complex systems.
York Space Systems is funding the Solestial acquisition with cash and up to 2.35 million shares of common stock.
Solestial, Inc. is an Arizona-based company focused on next-generation space solar technology.
After the acquisition closes, Solestial will continue to operate as a wholly owned subsidiary of York Space Systems.
The Solestial acquisition is York Space Systems’ third acquisition in 2026.
Solestial will continue to fulfill contracts for its existing civil and commercial aerospace customers after the acquisition closes.
On May 19, 2026, York Space Systems agreed to acquire Solestial, Inc. in a definitive merger transaction.
Solestial uses ultra-thin, flexible silicon solar cells in its manufacturing process.
The York Space Systems acquisition of Solestial is expected to close in the second quarter of 2026.
York Space Systems and Solestial will co-develop integrated, power-optimized bus platforms for York's upcoming national security defense manifests.
The Solestial acquisition is expected to close in Q2.
Solestial's silicon solar architecture is 95 percent sourced within the United States.
Solestial's self-healing silicon cells automatically repair radiation-induced microscopic defects in low Earth orbit.
Solestial builds ultra-thin, radiation-hardened silicon solar cells that are 95% sourced from the United States.
York Space Systems agreed to acquire Solestial, a space-solar-cell manufacturer, for an undisclosed amount.
The Solestial acquisition is York Space Systems' third major corporate transaction in the first half of 2026.