Redwood Materials is building the U.S. stockpile of critical materials and deploying large-scale energy storage. Founded by JB Straubel, the company produces lithium, nickel, cobalt, copper, and cathode active material at scale in the U.S., manufactures key components for advanced batteries, and deploys energy storage systems that power data centers and the nation's grid. Redwood is expanding domestic capacity for next-generation energy storage and strengthening U.S. energy dominance.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 10/27/25 | $350,000,000 | Series E |
NVentures | undisclosed |