The Franconian storage manufacturer BMZ Group is expanding its production capacities. The company has started the construction of a new production facility near the North Macedonian capital Skopje. . A music festival in Skopje suddenly loses grid power. Instead of panicking, organizers roll in what looks like a high-tech trailer - Skopje's large mobile energy storage vehicle saves the day within minutes. North Macedonia, which has been attracting investments in battery factories, is in talks on a project worth up to EUR 360 million. . New Energy Electricity and Energy Storage Energy storage is a potential substitute for, or complement to, almost every aspect of a power system, including generation, transmission,.