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). . 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 ef cient and timely development of facilities. Currently there are four (4) storage plants. . Principia has announced the completion of its first Battery Energy Storage System (BESS) unit — commercially named “ Themelio ” — in the Vouno area of Chalkidiki, near Polygyros. As one of the first grid-scale BESS installations in Greece, the project represents a major milestone for the company. . Following a brief consultation in late February, the Greek government has unveiled a new battery storage program targeting 4. 7 GW of utility-scale, standalone projects which will be given a priority connection and operated on a merchant basis without subsidy support. The decision detailing the new. . A draft ministerial decision envisages the installation of 3. From ESS News The Greek Ministry of Energy and. . Trina Storage said it has signed its first energy storage agreement in Greece with PPC Renewables for the 50-megawatt (MW) / 200-megawatt-hour (MWh) Amyntaio project in Western Macedonia, one of the country's largest planned battery energy storage systems (BESS). The project will be delivered on a. .