Battery energy storage systems (BESS)
Flexible, scalable design for efficient energy storage.
Energy storage is critical to decarbonizing the power system and reducing greenhouse gas emissions. It’s also essential to build resilient, reliable, and affordable electricity grids that can handle the variable nature of renewable energy sources like wind and solar. There are different energy storage solutions available today, but lithium-ion batteries are currently the technology of choice due to their cost-effectiveness and high efficiency.
Battery Energy Storage Systems, or BESS, are rechargeable batteries that can store energy from different sources and discharge it when needed. BESS consist of one or more batteries and can be used to balance the electric grid, provide backup power and improve grid stability.
How will BESS improve your systems?
How do storage plants work?
The technology for BESS is based on the use of electrochemical storage, which can store the energy produced by renewable power plants. It’s a kind of power bank that can give back stored energy, by returning it on demand.
BESS are one of the main energy storage system: sometimes they are also called electrochemical energy systems to distinguish them from others, such as gravitational energy systems (including pumped-storage hydroelectric power plants), mechanical energy systems (including compressed air or flywheel systems) and (Thermal Energy Storage, TES) systems
As in all storage systems, in the case of BESS the electricity produced by a power plant, or any other generating plant (even a single photovoltaic panel), is stored and then released at the desired times and moments. BESS uses a specific technique for storage: since an electric current is a flow of electrical charges, a battery is charged by accumulating charges of particular materials (called electrolytes) at one of the two poles, from which they then flow to the other pole in the discharge phase.
Where is battery energy storage used?
Renewables
Battery energy storage aligns solar and wind generation peaks with demand peaks.
Residential and Commercial
lower energy costs, improves load factor, and manages demand peaks.
Utility distribution grid
balances fluctuating demand at peak hours while reducing grid overload.
Industrial loads
provides backup power for critical loads, improves load factor, and manages demand peaks.
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