About

Form Energy is developing iron-air battery systems capable of storing electricity for 100 hours at system costs competitive with traditional power plants. The company aims to enable a fully renewable, reliable, and affordable electric grid by providing multi-day energy storage.

History & Background

Founded in 2017 by a team of battery industry veterans including Mateo Jaramillo (formerly Tesla), Form Energy emerged from the idea that long-duration storage would be critical for deep decarbonization. The company has raised over $850M from investors including ArcelorMittal, BlackRock, and TPG Rise Climate.

Key Milestones

  • 2017: Company founded
  • 2021: First iron-air prototype demonstrated
  • 2022: 150-hour battery capacity confirmed
  • 2023: Great River Energy project announcement (10MW / 1000MWh)
  • 2025: Commercial production expected to begin

Products & Systems

Form Energy Iron-Air Battery (100-hour)

⚡ 1.0 MW · ⏱️ 100 h

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Markets Served

Utility-scale storage Multi-day grid storage Renewable energy integration Grid reliability