European Grid Backlog is delaying renewables across Europe, as distribution queues stall grid connection for solar, wind and battery storage. DSOs, interconnection bottlenecks and €100 billion in projects highlight urgent investment and reforms. In response, this year's report examines the. Interest in battery storage for electricity has seen a period of high activity as developers have sought to secure option agreements over those properties that are near a grid connection point. A newly released discussion paper from the Large-Scale Battery Storage Cooperation Forum, involving 58 industry stakeholders, highlights the. Following the reform programme, there is an excess of 14. 8GW grid-scale BESS waiting to connect by 2030, with 61.