Battery Storage Guide
Utility-scale battery storage represents a relatively small percentage of the nation’s energy mix, but elevated demand for electricity is driving increased interest. We’ve gathered the following resources to help stakeholders get up to speed quickly.
Battery Storage in the United States
Access battery storage capacity data and visualizations from the EIA. Explore annual additions of large-scale battery storage capacity by region (CAISO, ERCOT, etc.)
Battery Capacity Up 66% in 2024
Read the EIA’s in-brief analysis from March 2025, which revealed the nation’s rapid increase in battery storage during 2024. The analysis also pointed to the potential for future growth.
Grid-Scale Battery Storage
Download this 8-page PDF from NREL to learn about battery storage’s role in renewable energy, key characteristics of battery energy storage systems (BESS), where batteries should be located, and much more.
Learn about the five types of energy storage systems (ESS) that are used in the United States—including batteries—and the roles they play in electricity generation.
Electricity Explained: Storage
Electricity Storage
Gain a high-level overview of electricity storage in the United States. Learn about pumped hydroelectric storage, thermal storage, batteries, and other types of storage.
DOE Energy Storage Program
Learn about the U.S. Department of Energy’s Energy Storage Program, which is focused on developing advanced energy storage technologies and systems.