How much funding has Solestial raised?

Solestial has raised $27.0M in total funding, most recently a Series A round.

Who are Solestial's investors?

Solestial's investors include AE Ventures, Crosscut Ventures, Zeon Ventures, Airbus Ventures, Stellar Ventures, Industrious Ventures.

Where is Solestial headquartered?

Solestial is headquartered in Tempe, Arizona, United States.

What industry is Solestial in?

Solestial operates in Clean Tech.

Solestial

The Next Generation of Silicon Photovoltaics for Space Has Arrived.

Tempe, United States · Founded 2019 · $27.0M raised

Clean Tech

Headquarters: Tempe, Arizona
Founded: 2019
Website: solestial.com

Total Funding: $27.0M
Last Round: $17.0M Series AMay 2025
Rounds: 2

About

Solestial develops next-generation silicon heterojunction solar cells and flexible solar power modules for small satellites and spacecraft. Its proprietary low-temperature annealing technology allows solar cells to self-heal radiation damage at operating temperatures, making them the only silicon solar products on the market with this capability. The company serves commercial and government customers including Boeing, NASA, and the Air Force Research Laboratory.

Summary

Solestial is a Clean Tech company based in Tempe, United States, founded in 2019. It has raised $27.0M in total across 2 rounds, most recently a $17.0M Series A round in May 2025. Investors include AE Ventures, Crosscut Ventures and Zeon Ventures.

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