U.S. Department of Energy - Energy Efficiency and Renewable Energy

Distributed Energy Program

Batteries

Batteries are the most common device used for storing electrical energy.

Prototype utility-scale battery energy-storage installations are currently being field tested, and manufacturing facilities for advanced batteries specifically designed for energy storage applications on power systems are being built in North America, Europe, and Asia.

See the following for more information on specific battery types:

Lead-acid batteries
Flow batteries
Advanced batteries