Coalburn 1, a 500 MW, two-hour duration battery energy storage system in Scotland, is now the largest operational battery in Europe. COPENHAGEN, Denmark, Aug. 12, 2026 (GLOBE NEWSWIRE) -- Copenhagen Infrastructure Partners (CIP), through its flagship fund Copenhagen Infrastructure IV (CI IV), is pleased to announce that Coalburn 1 has commenced commercial operations. Coalburn 1 is a 500 MW, two-hour lithium-ion battery energy storage system (BESS) located in South Lanarkshire in southern Scotland. Alongside Coalburn 2 and Devilla this project demonstrates CIP's industrial capabilities in developing, commercialising and delivering energy infrastructure at scale." Notes to EditorsAbout Copenhagen Infrastructure PartnersFounded in 2012, Copenhagen Infrastructure Partners P/S (CIP) is a global fund manager and leading investor in energy infrastructure.