Latest Developments from the U.S. Department of Energy
- The U.S. Department of Energy (DOE) is inviting feedback on its draft Energy Storage Strategy and Roadmap, which was published last month. Comments are due by February 3.
- This new roadmap updates previous strategies to improve energy storage methods, accounting for notable advancements in the field since 2020.
- A significant focus of the roadmap is to lower long-duration storage costs to achieve the DOE’s goal of $0.05 per kilowatt-hour, while also expanding the types of energy storage technologies used in the U.S.
Insights into Energy Storage Trends
The U.S. Energy Information Administration recently reported that new energy storage installations exceeded those for wind, nuclear, and fossil fuels combined in 2024. However, lithium-ion batteries dominate the market, making up over 95% of all U.S. storage solutions. This indicates a clear need for more diverse technology options to strengthen the supply chain, as pointed out in the DOE’s roadmap.
Despite a recent drop in battery material prices due to oversupply, experts warn that this trend may not last, as the supply chain remains heavily reliant on Chinese suppliers.
In a move to bolster domestic production, the Biden administration raised tariffs on imported lithium-ion batteries from China to 25%. This change is aimed at supporting the growth of the U.S. battery manufacturing sector.
The updated roadmap encourages the DOE to focus on developing a strong domestic supply chain for energy storage materials and calls for investment in research for advanced storage technologies. This initiative aims to help U.S. manufacturers gain a competitive edge against international players.
The roadmap outlines specific use cases to guide DOE’s research and commercialization efforts. These include improving power quality, energy load management, and providing electricity access to remote areas, among others.
To enhance the economic viability of energy storage, the roadmap suggests that DOE should focus on high-value use cases, refine cost assessments, and establish compensation frameworks for various technologies. The initiative also emphasizes the importance of spreading awareness about energy storage options among industry stakeholders.
By implementing these strategies, the roadmap aims to facilitate a broader adoption of energy storage technologies, which could efficiently address various electricity demands and applications by 2035.

