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Energy Storage Technologies

Energy storage technologies such as batteries, flywheels, compressed air, thermal, and pumped hydro power would be beneficial to electricity distribution, especially to satisfy customers’ needs during peak demand. Also, energy storage complements renewable energy technologies, such as solar and wind, and allows for greater reduction of air pollutants by lowering demand of electricity from the grid. BCCCE will be monitoring storage technology development and assist the State’s effort to advance the adoption of such systems.  

Storage technologies are categorized as electrochemical, electromechanical and thermal. Capacity and response time of storage devices vary and several types of storage technologies may be integrated for optimized performance of the system.

An example of Renewable + Storage integration: solar PV and battery pilot project at Hopewell Valley Central High School, Pennington




Resiliency • Reliability 
• Efficiency
Back-up power
Demand reduction
Frequency regulation
Peak shaving
Pre-heating or cooling of air and fluids
Uninterrupted power supply
Voltage regulation


Electrochemical • Electromechanical • Thermal
Chilled Water (tank and aquifer)
Compressed Air
Flow Batteries
Hydrogen Storage for Fuel Cells
Hot Water
Ice Storage
Lead-acid Batteries
Lithium-ion Batteries
Pumped hydroelectric

Energy Battery

Solar Canopy

To learn more about energy storage technologies, visit:

New Jersey’s Board of Public Utilities Renewable Electric Storage Program

DOE Office of Electricity Delivery & Energy Reliability
Sandia Energy Storage Systems Program


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Last Updated: February 13, 2020