This new Ministerial Decision defines project groups, capacity limits, eligibility criteria, anti-concentration and prioritization rules, regulates the application process and technical requirements, and sets penalties imposed for non
The storage technology of the eligible project must have been used internationally in electricity storage facilities participating in electricity markets, and have been commissioned within 2018
This article highlights key steps recently taken by the Greek State as regards the legal/regulatory framework and appropriate State aid schemes, to kickstart electricity storage activity and allow
On 13 March 2025, the Greek government issued Ministerial Decision ΥΠΕΝ/ΓΔΕ/28255/1143 (Government Gazette 1248/B/13.03.2025) on the priority regime for the final grid connection of
This article highlights key steps recently taken by the Greek State as regards the legal/regulatory framework and appropriate State aid schemes, to kickstart electricity storage activity and allow for an efficient and timely
By offering to merchant BESS a fast-track priority regime in receiving Final Grid Connection Offers (FGCOs), the Decision outlines, inter alia, eligibility criteria, priority rules, capacity caps, ownership
This new Ministerial Decision defines project groups, capacity limits, eligibility criteria, anti-concentration and prioritization rules, regulates the application process and technical
Both constructions are planned to be completed by mid-2025. The aid will take the form of a two-way contract for difference over a period of twenty years. The strike price will be determined by
The Greek authorities have been successful in having 4 storage support schemes approved by the European Commission. The following table summarizes the main characteristics of the 3
A draft ministerial decision envisages the installation of 3.55 GW of standalone battery energy storage systems which will be granted priority connection to the transmission or distribution...
In 2022, Greece amended the Energy Framework Law No. 4001/2011 by providing the legal framework for electricity storage particularly regarding licensing, remuneration and market
The European Commission has approved, under EU State aid rules, a Greek measure to support the construction and operation of a pumped hydroelectricity storage facility in Amfilochia,
By offering to merchant BESS a fast-track priority regime in receiving Final Grid Connection Offers (FGCOs), the Decision outlines, inter alia, eligibility criteria, priority rules,
A draft ministerial decision envisages the installation of 3.55 GW of standalone battery energy storage systems which will be granted priority connection to the transmission or

Currently there is a growing interest for investments in storage facilities in Greece. Licensed projects mostly consist of Li-ion battery energy storage systems (BESS), either stand-alone or integrated in PVs, as well as PHS facilities .
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.
Considering the energy arbitrage and flexibility needs of the Greek power system, a mix of short (~2 MWh/MW) and longer (>6 MWh/MW) duration storages has been identified as optimal. In the short run, storage is primarily needed for balancing services and to a smaller degree for limited energy arbitrage.
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.
The Commission adopted in March 2023 a list of recommendations to ensure greater deployment of energy storage, accompanied by a Staff Working Document, providing an outlook of the EU's current regulatory, market, and financing framework for storage and identifies barriers, opportunities and best practices for its development and deployment.
Currently there are four (4) storage plants operating in Greece, two open-loop pumped-hydro storage (PHS) stations in the mainland (700 ΜW in total) and two small hybrid RES-storage stations in non-interconnected islands (just 3 MW).
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