Applications & Installations

Sigenergy launches 10 MW/20 MWh of Bulgarian storage using 240 kWh stacks

Sigenergy has deployed a 10 MW/20 MWh battery energy storage system (BESS) at a solar site in Malko Tarnovo, Bulgaria, using 240 kWh battery stacks typically found in residential systems.
Cornelia Lichner
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Cornelia Lichner
Image: pv magazine, Cornelia Lichner

From ESS News

Stationary BESS are typically categorized by size, beginning with stack systems, followed by cabinets, and ending with containerized units.

A large container can store up to 5 MWh of energy. Cabinets typically hold several hundred kilowatt-hours, while stacks are mainly used by homes and small businesses.

Although smaller BESS types can be combined, they have rarely been used to match the capacity of larger systems – until now.

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