Redwood Materials Raises $75M in Series E extension Funding

A $75 million extension will accelerate energy storage and strengthen its recycling and critical-minerals operations.

Round size
$75M
Stage
Series E extension
Headquarters
United States
Announced
Jan 28, 2026

Batteries beyond their first use

The company combines battery recycling and materials recovery with an energy storage business. Storage helps support electricity demand from data centres, manufacturing and the wider grid.

Closing the Series E

Google joined the financing alongside returning investors Capricorn and Goldman Sachs Alternatives. The extension increased the Series E from $350 million announced in October 2025 to a final $425 million. Only the additional $75 million is counted in this 2026 event.

Where the funding goes

  • Energy storage platform expansion
  • Battery recycling and critical-minerals operations

Sources

  1. Redwood Materials: funding announcement
  2. Redwood: dated announcement index
  3. Redwood: original October 2025 Series E
  4. Axios: $75M Series E extension
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