In order to accurately calculate power storage costs per kWh, the entire storage system, i.e. the battery and battery inverter, is taken into account. The key parameters here are the discharge depth [DOD], system efficiency [%] and energy content [rated capacity in kWh].
[pdf] It serves as a rechargeable battery system capable of storing large amounts of energy generated from renewable sources like wind or solar power, as well as from the grid during low-demand periods. When needed, this stored energy can be discharged to provide a dependable electricity supply.
[pdf] The BESS comprises 27 containers, each of 2.5MWh capacity. The containers were designed and assembled by TotalEnergies’ battery subsidiary Saft. According to TotalEnergies, the project is built to ensure enough supply of electricity in the national grid, particularly during peak winter periods.
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