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BESS (Battery Energy Storage System) is a technology designed to store electricity in batteries, allowing flexible and efficient use of energy according to current needs. Such systems help to stabilise the power grid, reduce dependence on volatile electricity prices and increase energy independence by enabling the efficient use of energy from renewable sources such as solar or wind power.

The main advantages include:

– Cost optimization – Stored energy can be used at peak times when electricity prices are high, reducing operating costs.

– Backup power source – BESS provides reliable backup during power grid outages, ensuring continuity of production and operations.

– Grid Load Balancing – The battery system can balance the imbalance between generation and consumption, preventing grid congestion and stabilizing supply.

– Renewable Energy Support – Stores excess renewable energy and allows it to be used when resources are not available (e.g. at night).

The lifetime of a battery system depends on several factors such as the quality of the batteries used, the intensity of use and the method of maintenance. Standard lithium-ion batteries typically have a lifespan of 10 to 15 years when operated properly. Thanks to advanced energy management technologies, lifetimes can reach even higher values without significant capacity loss.

BESS can be connected to the grid either directly as part of the building energy management or as a stand-alone system with islanding capability. Installation requires space for the location of the battery modules, the right climatic conditions as well as expert installation and connection. An important aspect is also the sizing of the system according to the needs of the building and the typical consumption.

Modern BESS are equipped with advanced safety mechanisms including:

– Thermal Management – Ensures that the batteries operate within the optimum temperature range.

– Overload and short circuit protection – Prevents system damage and reduces the risk of fire.

– Early Warning System – Monitors the status of individual battery cells and alerts you to any irregularities, reducing the risk of failure.

Yes, most modern battery systems are modular and scalable. This means that additional battery modules can be added as needed to increase the capacity and performance of the entire system. However, this expansion requires expert consultation and adaptation of the system to the new conditions to ensure optimal integration.