The likes of Tesla, BYD and CATL have supplied much of GB's energy storage capacity, while the Chinese are the dominant battery cell providers – to date, no single GB battery manufacturer or system supplier has been involved in any projects of 50MWh or greater, Energy. . The likes of Tesla, BYD and CATL have supplied much of GB's energy storage capacity, while the Chinese are the dominant battery cell providers – to date, no single GB battery manufacturer or system supplier has been involved in any projects of 50MWh or greater, Energy. . Almost 5 GWh of grid-scale battery energy storage is installed in Great Britain, with over 3 GWh installed in the last two years. 19 different companies have supplied the battery containers for these systems. So, which companies have supplied the most capacity, where are the battery cells for these. . Schroders Greencoat has entered into a memorandum of understanding (MoU) with Contemporary Amperex Technology (CATL) and Lochpine Capital to jointly explore, develop and invest in battery energy storage projects across Europe. The Volta Foundation has published its annual Battery Report for 2025, now stretching to a mammoth 750 pages, featuring data and work from. .
