Fundz

Solestial

TEMPE, AZ · Energy, Other · 53 employees

Solestial, Inc. is the solar energy company for space. Our breakthrough technology is a silicon solar cell engineered for space to self-cure radiation damage under sunlight at temperatures as low as 65°C. Solestial solar cells are packaged in a flexible solar power module engineered to withstand up to 10 years in a variety of destinations in space. Our flexible solar power modules can be produced

Funding history

  • Series series a — $17.0M — May 2025
  • Funding Round — $15.1M — Sep 2024
  • Series seed — $10.0M — Nov 2022
  • Series seed — $10.0M — Oct 2022
  • Funding Round — $11.2M — Oct 2022

Recent signals

  • Jul 16, 2025: Solestial Secures $1.2M Contract from SpaceWERX for Innovative Solar Array Development.
  • May 15, 2025: Solestial Appoints Margo de Naray as Chief Executive Officer
  • May 15, 2025: Raised $17.0M in Series series a
  • Sep 19, 2024: Raised $15.1M
  • Nov 16, 2022: Raised $10.0M in Series seed
  • Oct 11, 2022: Raised $10.0M in Series seed
  • Oct 06, 2022: Raised $11.2M

See plans & pricing → Track Solestial’s funding, hiring, and signals — with verified contacts — on Fundz.