Estonia has laid the cornerstone for what will become the largest battery park in continental Europe, a major step toward synchronising the Baltic power grids with Europe by 2025; the project, led by Evecon, Corsica Sole and Mirova, aims to bolster energy security and support. . Estonia has laid the cornerstone for what will become the largest battery park in continental Europe, a major step toward synchronising the Baltic power grids with Europe by 2025; the project, led by Evecon, Corsica Sole and Mirova, aims to bolster energy security and support. . The Freen Energy Storage Solution introduces the 7. 5 kWh and 10 kWh Sodium Battery Pack with integrated Battery Management System (BMS) to deliver a consistent energy supply and independence, even during grid outages. The Freen-BSH and Freen-BSL products are developed and produced in Estonia. The. . ROYPOW one-stop RV energy storage system will be a game-changer power solution to focus RVers more on freedom of off-grid journeys. The project, spearheaded by the Baltic Storage Platform—a joint venture between Estonian energy. . Baltic Storage Platform, a joint venture (JV), has broken ground on two new 200MW/400MWh battery energy storage systems (BESS) in Estonia. The JV between Estonian energy company Evecon, French solar PV developer Corsica Sole, and asset manager Mirova will develop the 2-hour duration systems, with. . Evecon, Corsica Sole and Mirova will build the largest battery park in continental Europe, located in Kiisa, Estonia. Rendering by Evecon.