Bulgaria is now home to the largest electricity storage facility in the European Union. With an installed capacity of 124 MW and a capacity of 496 MWh, the battery built by Advance Green Energy AD in Lovech marks a new stage in the development of the country's energy infrastructure. The ceremony. . The Energy of Tomorrow conference in Sofia brought together industry leaders to discuss the rapid expansion of renewable energy, the growing electric vehicle (EV) market, and the evolving landscape of gas and hydrogen technologies in Bulgaria. It is expected that global electricity consumption will. . In a world increasingly reliant on renewable energy, Bulgaria is stepping into the spotlight with a monumental achievement that could redefine its energy future. The Lovech Battery, officially known as the “Advance Green Energy” project, stands as the largest battery energy storage system (BESS) in. . Energy Minister Zhecho Stankov speaks during the opening of the 5th RE-Source Southeast 2025 in Sofia, May 21, 2025 (BTA Photo/Minko Chernev) Bulgaria has started the procedure to create the largest energy storage battery in the country, Energy Minister Zhecho Stankov said Wednesday during the. . A battery energy storage system (BESS) described as the largest deployed to date in the European Union has been commissioned in Bulgaria. Officials with the country's Ministry of Energy said the 124-MW/496. 2 MWh battery energy storage system (BESS) in the north-central city of Lovech.