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.
[pdf] 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] German system integrator Asantys Systems GmbH has supplied 20 containerized solar power systems to US-owned, Nairobi-based minigrid developer PowerGen. PowerGen will use the systems for a series of projects in Sierra Leone under the Rural Renewable Energy Project (RREP) initiative.
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