Energy Storage System (ESS)

EMS

An energy management system optimizes operation with data from the entire energy storage system, including the battery management system (BMS), power control system (PCS), and other components. The EMS also serves as the ESS’s user interface.

ECS

An environmental control system is an edge computer that contains environmental controls to maintain stable operating conditions and communication systems to enable data transfer between the various components of the ESS and external systems, such as the power grid.

PCS

The power conversion system is the heart of the energy storage system, responsible for converting the DC power stored in the battery to AC power that can be used in homes, industrial, and commercial sites.

BMS

A critical component of an energy storage system, the BMS is responsible for monitoring and controlling the battery cells' performance to ensure optimal operation and prevent damage. Ethernet switches enable real-time communication between the BMS and the EMS.

BESS

The battery energy storage system stores electrical energy for later use.

Behind-the-Meter

Energy storage systems on the customer side of the meter provide:

• Energy cost control by optimizing & shifting energy use
• Backup power during outages
• Lower carbon footprint
• Greater control over energy usage & supply
• Added revenue with energy trading back to the grid
• Includes: electric vehicles, prosumers, industrial and commercial customers

Front-of-the-Meter

Energy storage systems on the supplier side of the meter provide:

• Greater flexibility when adopting solar energy
• Grid stabilization to balance supply/demand & improved reliability
• Integration of renewable energy sources into grid
• Power quality management using waveform data
• Battery optimization to maximize ROI
• Includes: utility grids and renewable energy solar and wind power