# Solestial > Official Solestial business agent. Solestial develops advanced solar energy solutions for space applications, focusing on silicon photovoltaics. ## Ask it a question Solestial answers for itself at https://api.hailera.com/mcp/solestial. A client that speaks MCP can connect to that address; the tool is ask_solestial and the protocol is 2026-07-28. Where this file and the agent disagree, the agent is current. ## About Solestial Solestial is at the forefront of delivering the next generation of space-stable silicon photovoltaics. The company engineers efficient, reliable, and radiation-hardened solar solutions that offer competitive performance and lower costs compared to traditional III-V multijunction solar products. Solestial is rapidly expanding its manufacturing to support the future of solar energy in space, with solutions designed to self-cure radiation damage and withstand the rigors of space for extended periods. Founded by Stan Herasimenka and Mikhail Reginevich in 2010, Solestial's journey began with collaborations at Arizona State University, eventually leading to groundbreaking projects with NASA. This history has cemented Solestial's focus on advancing solar technology specifically for space applications. Source: https://solestial.com ## Where Solestial works Lists Tempe as a location. Names Arizona as a service area. Areas beyond these are not published. ## Hours and contact To learn more about Solestial's next generation silicon photovoltaics for space, you can reach out to them at their main office: Solestial, Inc. 1121 West Warner Road Suite 101 Tempe, Arizona 85284 USA For inquiries, Solestial provides dedicated contact options for commercial customers, government customers, suppliers, press/media, careers, and other inquiries through their online form. Source: https://solestial.com ## Manufacturing and Operations Solestial operates a fully commissioned 30,000 sq ft manufacturing facility in Tempe, Arizona, USA, where it continues to scale production. The company aims to create a future where space development is not limited by energy availability, leveraging high-volume solar manufacturing equipment for complete U.S. wafer-to-module production capabilities. This strategic focus allows Solestial to control its supply chain while ensuring high-quality solar products tailored for space applications. With an increasing demand for space-grade solar power modules, Solestial is dedicated to scaling its operations to produce tens, hundreds, and eventually thousands of megawatts of space photovoltaics annually. Source: https://solestial.com ## Mission and Vision Solestial is dedicated to delivering abundant energy for space development at a time when demand for space solar technologies surpasses supply. By utilizing silicon photovoltaic technology, Solestial aims to power the growth of space infrastructure, including satellite constellations and orbital data centers. The company designs its solar products with scalability and cost-effectiveness in mind, ensuring they provide the best combination of radiation hardness, performance, and affordability at scale. Solestial's mission is to leverage advancements in terrestrial silicon technology to advance space solar applications, addressing the critical need for sustainable and scalable energy solutions in space. Source: https://solestial.com ## Solestial Products Solestial offers a range of innovative space-based solar products and energy solutions: - Solar Cells: These ultrathin, flexible, silicon heterojunction solar cells are capable of low-temperature annealing of radiation damage, engineered for optimal performance in space using commercially available silicon wafers. - Flexible Solar Power Modules: Featuring low mass and radiation resistance, these modules reimagine traditional packaging by substituting cover glass and composite substrates with polymer layers, thereby enhancing durability for up to 10 years in space. - Integrated Solar Power Modules: Designed for easy integration, these modules can be paired with rigid or flexible substrates. - Solar Arrays: In collaboration with various firms, Solestial provides end-to-end solar array solutions using their flexible modules combined with diverse deployment systems. Source: https://solestial.com ## Where this comes from https://solestial.com