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. 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. Diotech OÜ and Transcom AS will commence construction in February 2026 of a 100 MW / 200 MWh battery energy storage system (BESS) facility in Tsirguliina, Valga County. Project Zirgu represents the largest 100% Estonian capital-based battery industrial park, designed to help balance the Estonian. 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. The flagship battery storage project commenced operations on February 1, only days before cutting ties with the Russian power grid.