Funding
Seed · Space tech

Arinna raises $4M seed financing for spacecraft solar technology

The March financing backs Arinna’s work on ultrathin solar panels for spacecraft.

Updated Oct 16, 2026By RoundOS Funding desk

Backers include Spacecadet Ventures, Anorak Ventures and Breakthrough Energy Foundation. The seed announcement places the company’s space-power technology alongside a named group of venture and energy-sector supporters.

Funding history

Seed · This round$4M

Sources

  1. Arinnaprojectstartups.com
  2. techcrunch.com

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