Startup profile for Solestial: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Solestial funding, valuation and investors

Silicon solar cells and modules for spacecraft.

Verified company research · funding, investors and latest developments

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series A

$17M · May 15, 2025

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$27M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

acquired

acquired · Tempe, Arizona, United States

Investors in latest funding

Lead: AE Ventures

Other: Crosscut Ventures , Zeon Ventures , ME Innovation Fund , Airbus Ventures , General Purpose Venture Capital , Industrious Ventures , Stellar Ventures , Techstars

Sources: latest funding · solestial.com Last verified: 2026-10-27

Overview

Solestial manufactures spacecraft solar hardware in Tempe, Arizona. York Space Systems acquired the company on June 4, 2026; it continues serving external customers. Recorded venture rounds total $27M, separate from the acquisition payment.

Why Solestial is interesting

Targets the manufacturing supply chain for spacecraft electrical generation.

Product & use cases

Solar cells, flexible modules, integrated modules and partner array solutions for spacecraft builders.

Funding history (newest first)

Series A

2025-05-15 $17M
  • AE Ventures (lead)
  • Crosscut Ventures (participant)
  • Zeon Ventures (participant)
  • ME Innovation Fund (participant)
  • Airbus Ventures (participant)
  • General Purpose Venture Capital (participant)
  • Industrious Ventures (participant)
  • Stellar Ventures (participant)
  • Techstars (participant)

Source: Read source · solestial.com

Seed

2022-10-11 $10M
  • Airbus Ventures (lead)
  • AEI HorizonX (participant)
  • GPVC (participant)
  • Stellar Ventures (participant)
  • Industrious Ventures (participant)

Source: Read source · pages.solestial.com

Investors in our directory

Funds linked from Solestial's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

  • MP Space adjacent

    Battery storage and power management rather than photovoltaic generation.

Industries

Market / IPO context

Editorial / static context — not a live quote.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.