5 Gigawatts of storage capacity by the end of 2026. These grid-scale batteries are essential for stabilizing the fragile network, integrating renewable energy, and replacing lost flexible generation capacity—a cornerstone for long-term reconstruction. . A report by the International Energy Agency (IEA) recommends three strategies to accelerate the deployment of distributed solar and battery energy storage systems (BESS) in Ukraine as the country works to increase its energy security. The central focus is on. . The goal is to deploy 1. In just six months — under shelling, blackouts, and wartime restrictions — Ukraine completed Eastern Europe's largest battery storage project: 200 megawatts / 400 megawatt-hours of clean, instant-power capacity — spread across six sites. . DTEK's Fluence Gridstack battery units at one of six energy storage sites across Ukraine, part of the country's largest battery energy storage project announced on July 10, 2025.
