We hear from Christina Hepp, strategy director at battery energy storage system (BESS) owner-operator Green Flexibility, on the big successes and challenges in the German market today.

At 4:52pm on Friday 9 August 2019, the UK suffered its first wide-scale blackout in more than a decade. More than 1.1 million consumers were plunged into the dark as rail lines screeched to a halt, traffic lights failed and even airports reported problems. Liam Stoker looks at the root causes, and how battery storage came to the rescue.