METLEN confirms Final Investment Decision for 330MW / 790MWh Battery Energy Storage System in Thessaly, Greece

METLEN Energy & Metals has confirmed the Final Investment Decision for the largest standalone energy storage unit in Greece, a 330MW / 790MWh Battery Energy Storage System (BESS) project located in Thessaly. This strategic investment is expected to be completed in the second quarter of 2026, enhancing the stability and flexibility of the power system and supporting the broader energy transition initiatives in the region.

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Metlen Energy & Metals

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Metlen Energy & Metals is a global industrial and energy company covering two business sectors: Energy and Metallurgy. The company is strategically positioned at the forefront of the energy transition as an integrated utility and is established as a reference point for competitive green metallurgy at the European and global level.