What is distributed energy storage

The distributed energy storage system (DES) technology is an important part of the solution. The DES can help building owners and energy consumers reduce costs and ensures reliability and additional revenue through on-site generation and dynamic load management.

Distributed energy resources, or DER, are small-scale energy systems that power a nearby location. DER can be connected to electric grids or isolated, with energy flowing only to specific sites or functions. DER include both energy generation technologies and energy storage systems.

Through planning and deployment, with its excellent system resilience and efficiency, the distributed energy storage systems can also achieve the unification of economic, social and environmental benefits, decrease grid costs, reduce greenhouse gas emissions, and extend power supply.

Energy storage is the capturing and holding of energy in reserve for later use. Examples of energy storage technologies used as distributed energy resources include: Battery storage is the most common form of electricity storage.

When energy generation occurs through distributed energy resources, it's referred to as distributed generation. While DER systems use a variety of energy sources, they're often associated with renewable energy technologies such as rooftop solar panels and small wind turbines.

Tomislav Capuder, in Energy Reports, 2022 Distributed ESSs are connected to the distribution level and can provide flexibility to the system by, for example smoothing the renewable generation output, supplying power during high demand periods, and storing power during low demand periods (Chouhan and Ferdowsi, 2009).