Trends powering BESS in India

Thermal plants can operate at higher PLFs, generate more electricity annually and reduce overall costs by deploying Battery Energy Storage Systems.

- Aditya Prasad

Energy storage systems start with cells, each weighing 5–6 kg, that form the basic units. These cells are assembled into packs (500–600 kg each) with sensors and battery management systems (BMS) to ensure safe operation. Around 20–25 packs are mounted on steel racks resembling shelves, integrated with DC cabling, monitoring, fire detection, suppression and HVAC systems to manage heat during charging and discharging. The racks are housed inside container-like enclosures that also include HP panels, cabling, sensors and transformers. These storage containers can draw or inject power into the grid, functioning as complex systems beyond simple batteries. The battery energy storage system is not a simple battery, and it requires various subsystems to work properly.

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