redwood Materials Secures $350 Million to Boost AI Data Center Energy Storage
Scaling Battery Recycling and Energy Storage Innovations
Redwood Materials, a pioneering company in battery recycling and cathode manufacturing, has raised $350 million in a Series E funding round to accelerate it’s expansion in energy storage solutions tailored for the booming AI data center market. This financing was led by venture capital firm Eclipse with strategic investment from Nvidia’s NVentures.
The company’s valuation now stands near $6 billion, reflecting an increase of about $1 billion since its last funding round. These new resources will be allocated toward refining Redwood’s material recovery processes, boosting production capacity for battery components, and hiring additional engineers to support rapid operational growth.
Creating a Lasting Battery Supply Chain Through Circular economy Principles
Founded in 2017 by former Tesla CTO JB Straubel, Redwood Materials has committed itself to building a sustainable supply chain by extracting valuable metals such as lithium, cobalt, and nickel from discarded electronics and manufacturing scrap. This strategy considerably reduces dependence on customary mining operations while supplying essential raw materials back to industry leaders like Panasonic,General Motors,and Toyota.
Expanding Into Cathode Manufacturing and Renewable Energy storage
Apart from recycling efforts, Redwood has diversified into producing cathodes-key components of lithium-ion batteries-and recently launched Redwood Energy. This division repurposes thousands of retired electric vehicle (EV) batteries that retain ample charge but are no longer fit for automotive use.
Transforming Second-Life EV Batteries into Industrial-Scale Power Solutions
The company integrates these second-life EV batteries with renewable energy sources such as solar panels and wind turbines to develop off-grid power systems primarily designed for AI data centers and other industrial facilities requiring dependable large-scale energy storage. These systems can also operate alongside existing electrical grids or complement natural gas turbines or emerging nuclear plants.
currently recovering over 70% of used or discarded battery packs across North America-manny previously stored rather then recycled promptly-Redwood maintains an inventory exceeding 1 gigawatt-hour (GWh) of usable battery capacity as of mid-2025. The firm aims to deploy up to 20 GWh of grid-scale storage solutions by 2028, positioning itself as the global leader in EV battery recycling and repurposing.
The Critical Role of Sustainable battery Technologies Amidst Growing AI Demand
The surge in artificial intelligence infrastructure worldwide is driving electricity consumption at unprecedented rates; recent estimates show data centers consume nearly 200 terawatt-hours annually-a figure projected to climb steeply over the next decade.By offering scalable energy storage using recycled EV batteries combined with renewables, redwood addresses both environmental challenges related to electronic waste disposal and the urgent need for flexible clean power supporting high-demand computing environments.
- Sustainable Resource Recovery: Extracting critical metals through recycling minimizes environmental damage compared with conventional mining practices that often cause habitat loss and significant carbon emissions.
- Circular Supply Chain Security: Reusing materials domestically enhances supply stability amid geopolitical tensions affecting access to raw materials globally.
- Evolving Market Dynamics: With global electric vehicle sales surpassing 14 million units annually as of early 2024-the highest ever recorded-the volume of retired batteries available for secondary applications continues growing exponentially each year.
Aiming for Enhanced Grid Stability Using Repurposed Batteries
This innovative model extends the useful life embedded within each EV battery while bolstering grid resilience through distributed energy resources capable of smoothing out fluctuations caused by intermittent renewable generation common today. As a notable example, pilot projects have shown how repurposed lithium-ion packs can provide frequency regulation services more rapidly than traditional fossil fuel plants while lowering overall system costs significantly over time.
“By converting end-of-life electric vehicle batteries into reliable stationary storage assets,” industry experts estimate companies like Redwood could cut carbon emissions equivalent to removing millions of gasoline-powered vehicles from roads every year.”
The Future Path: Accelerating Growth Through Technology Advancements & Strategic alliances
The substantial capital injection enables Redwood Materials not only to expand its physical infrastructure but also invest heavily in research & growth focused on pushing recycling efficiency beyond current industry averages-wich typically recover between 90%-95% depending on material type-and enhancing second-life battery performance tailored specifically toward demanding industrial applications such as AI workloads requiring continuous uptime paired with rapid response capabilities.




