Image: Dominick Vietor, Pixabay
By ESS news
In 2023, Greece organized its first battery storage auction, awarding 412 MW for 12 projects. In 2024, it conducted a second tender awarding 300 MW of additional battery storage capacity for 11 projects, while in 2025 it also awarded 189 MW of battery storage through a third tender.
None of this capacity is connected to the grid. Stelios Psomas, policy officer at the Hellenic Association of Photovoltaic Companies (Helapco), told a recent webinar organized by renewable energy developer BayWa re Greece that around 300 MW of the awarded projects have been installed but are still waiting to be connected to the electricity grid.
It is not clear why these projects are still not connected to the electricity grid.
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