Fluence – a joint venture between Siemens and AES Corp. – has opened a new, automated battery energy storage production facility in Vietnam with South Korea-based ACE Engineering. The site is designed to manufacture Fluence’s energy storage solutions, including Gridstack Pro and Smartstack.
[pdf] Spearheaded by Terra-Gen, this behemoth stands in California, USA, as the largest battery storage system worldwide, boasting an impressive 875 MW / 3,287 MWh across 4,600 acres. Launched in 2021, it utilizes 1.9 million solar modules and over 120,000 batteries.
[pdf] India has marked a significant milestone with the opening of its first fully automated Battery Energy Storage System (BESS) factory in Karnataka. The inauguration took place on June 27, 2025, in Bengaluru, the state capital.
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