Athens, Greece / London, United Kingdom – October 9, 2025 – METLEN (RIC: MTLN. GA, ADR: MYTHY US) and Karatzis Group of Companies are entering into a new strategic partnership, through a joint venture with ownership stakes of 49% and 51%. Why Is Athens Becoming Europe's Next Battery Storage Hotspot? You know how people joke about Greek summers being all sunshine and souvlaki? Well, here's the kicker - Athens is now turning that relentless sunshine into a 24/7 power source through cutting-edge energy storage. With solar curtailment. Athens, the cradle of Western civilization, now racing to become Europe's energy storage trailblazer. The Athens grid energy storage system isn't just another infrastructure project – it's a modern-day Odyssey shaping how Mediterranean cities tackle climate change. 8 MW are the final winners in Greece"s second tender for battery energy storage systems (BESS) capacity, according to official data released by the The two projects of 30MW each. As one of Europe's most ambitious energy storage photovoltaic projects, the Athens initiative aims to combine solar power generation with advanced battery systems. This hybrid approach addresses Greece's growing demand for sustainable energy while stabilizing grid operations.
