Despite the huge strides energy storage has made, significant hurdles remain before the technology in its many guises can be claimed to have fulfilled its massive potential. E-S.n editor Andy Colthorpe assesses the key successes and ongoing challenges for this indispensable part of the future power system.

Despite policy uncertainty spanning years, and Brexit looming large, we still hear from the industry that the UK is a key market. Andy Colthorpe takes a closer look.