GM and Redwood Partner to Repurpose EV Batteries for Energy Storage
General Motors is transforming the energy landscape through its groundbreaking EV battery repurposing for energy storage partnership with Redwood Materials. This initiative goes beyond recycling to create grid-scale storage solutions from new and used EV batteries.
Solar Industry Implications
The GM-Redwood collaboration presents exciting opportunities for sustainable rooftop solar for manufacturing and utility-scale projects. By utilizing retired EV batteries that retain 70-80% capacity, solar professionals gain access to affordable, large-scale storage options.
Second-Life Battery Performance
Unlike the demands of electric vehicles, grid storage benefits from:
- Slower discharge rates
- Climate-controlled environments
- Optimized battery management
Policy and Financial Benefits
This initiative aligns with federal solar incentives favoring domestic content. Projects utilizing these repurposed battery systems may qualify for additional tax credits under the Inflation Reduction Act.
Grid Stability Advancements
The GM-Redwood partnership arrives as energy storage becomes essential infrastructure. Their circular economy approach helps utilities manage demand curves while supporting America’s clean energy transition.
The Future of Battery Storage
Watch for pilot projects integrating Redwood’s storage with solar farms, potentially revolutionizing commercial solar economics. This innovation complements residential solutions like the European-made residential battery with local sourcing currently transforming home energy systems.





