FORM ENERGY
Long-duration iron-air batteries designed to store electricity for multi-day grid needs.
$750MSeries G
ParticipantBE
Breakthrough Energy Ventures
Activity from announced rounds
Activity in this selectionAug 31, 2026 · Aug 1, 2026
Breakthrough Energy Ventures is an investment firm identified in issuer announcements from Antora and solar-deployment company Planted.
Recorded funding activity
Planted combines solar-project planning software, terrain-following arrays, storage and field robots. Other recorded activity includes Form Energy’s multi-day iron-air batteries and Physical Superintelligence’s simulation-based AI for scientific hypotheses. The company examples describe the technologies represented in the covered financings.
Sources
- Rounds participated in
- 2
- Confirmed lead rounds
- 0 1 roles undisclosed
- New companies
- 2 First participation on record · 0 follow-on
- Funding in participating rounds
- $1.1B 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
2 in this selectionMariana Minerals
Builds and operates AI-driven mines and refineries for critical minerals
$310MSeries B
Role not disclosed