RES & Energy Storage in Greece: The Green Tank
These systems could also lower prices on the day-ahead market, where Greece has remained among the most expensive EU
The much-awaited ministerial decree for zero-subsidy standalone battery systems has been published in Greece. So far, Greece has provided support to 900 MW of standalone storage projects under three previous auctions.
According to the Greek National Energy and Climate Plan (NECP), the nation aims to install 4.3 GW of storage by 2030. Thus far, 900 MW has been allocated via the Greek Regulatory Authority for Energy, Waste, and Water (RAAEY) tenders. Therefore, the remaining share would be delivered under the new plan but without any subsidy support.
The government now aims for 2.65 GW of battery projects on the transmission grid and a further 900 MW on the distribution grid. According to the Greek National Energy and Climate Plan (NECP), the nation aims to install 4.3 GW of storage by 2030.
ia Energy Comp ations Border crossingIn 2023 Greece had 25.2 GW of electricity install d generating capacity. As of 2021, Greece registered about 120 small-scale hydropower plants up to 15 MW with a total installe capacity of 247.2 MW.Sources: U.S. Energy Information Administration data (2025); World Small Hydropower D
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