Redwood Materials
Building America's energy storage & critical materials
Energy
📍 Carson City, Nevada
Founded 2017
Current Valuation
$4.5B
as of 2025-Q4
UNICORN
Redwood Materials is a battery recycling and critical materials production company founded by former Tesla CTO JB Straubel. The company recycles end-of-life batteries and production scrap to produce lithium, nickel, cobalt, copper, and cathode active materials for new batteries. In 2025, Redwood launched Redwood Energy, deploying large-scale energy storage systems for AI data centers and the electrical grid using recycled batteries. The company operates facilities in Nevada and South Carolina.
Company Profile
Est. Revenue
$200M (2025-Q4)
Growth
Fast-growing battery recycling and critical materials company expanding into grid-scale energy storage; processing over 20 GWh of batteries annually with 95-98% recovery rate
Last Round
Series E — $350M (Oct 2025)
Founders & Key People
JB Straubel
Investors
Google · Eclipse · NVentures (NVIDIA) · Capricorn Investment Group · Goldman Sachs Asset Management · T. Rowe Price · OMERS · Microsoft Climate Innovation Fund · Deepwater Asset Management · Caterpillar Venture Capital · Ford Motor Company · Baillie Gifford · Fidelity Investments · Franklin Templeton Investments · CPP Investments · Valor Equity Partners · Breakthrough Energy Ventures · Amazon Climate Pledge Fund · Emerson Collective · Bill Gates · Jeff Bezos
Products
- Anode copper foil
- Cathode active material (CAM)
- Battery recycling
- Energy storage (Redwood Energy)
Competitors
Li-Cycle · Aqua Metals · Ascend Elements · Cirba Solutions
Battery recyclingCathode active materialCritical mineralsEnergy storageCircular economyEV materialsSustainabilityClean energy
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.