French developer EDF Energy Renewables has set the seal on a deal  with Japan's Nidec ASI to build a 49MW energy storage system (ESS) in the English midlands, on pole to be Europe’s largest battery project.

The ESS, earmarked for EDF's West Burton site in Nottinghamshire, is part of a new 200MW enhanced frequency response (EFR) system being rolled out across Britain by the National Grid.

Nidec