Battery Energy Storage systems are a critical enabling technology for the transition to a low-carbon energy sector. As renewable energy penetration grows, driven by carbon neutrality targets such as the EU's 2050 objective, the need to store intermittent energy from solar and wind sources becomes increasingly important. BES provides a practical solution by capturing surplus electricity and releasing it when generation is insufficient, reducing reliance on fossil-fuel plants and enhancing grid stability.
A typical BES consists of several integrated components, including battery modules, a battery management system, a power conversion system, a controller, heating, ventilation, and air conditioning systems, a fire suppression system, and an energy management system. Together, these subsystems ensure safe operation, optimal performance, and efficient integration with the grid.
This report provides an overview of BES technologies, their components, and associated costs. The main advantages and disadvantages of the technology are also presented, together with some useful real-world application examples.