Estonia has delivered its largest heat storage facility, begun construction on its largest solar-plus-storage hybrid project, and is preparing to break ground on an 800 MWh battery park in Valga County, set to become the largest in the Baltics. From ESS NewsThe first phase of the Zirgu BESS battery energy storage plant, with a capacity of100 MW/200 MWh and currently being developed in Tsirguliina, Valga County, will become the first battery energy storage plant of this scale in Europe whose key components are manufactured in Europe. According to Mart Moora. KIISA, ESTONIA – February 3, 2026 – The Baltic Storage Platform (BSP) – a joint venture between Baltics leading renewable energy developer Evecon, French independent solar power producer Corsica Sole, and sustainable investment manager Mirova – today officially inaugurates the Hertz 1 battery. A unique 400 MWh battery complex is taking shape in Estonia, marking one of Europe's largest energy storage projects. When it comes to energy, compact Estonia thinks big. The country, aiming for a full-fledged green transition, is building unique infrastructure to bring this moment closer.
