Short refers to generation needed after allowing for available wind and 6GW of nuclear baseload. Store refers to surplus wind generation available for storage or curtailment. Redispatch assumes all surplus is stored and shows potential to fill any short position at given round trip efficiencies. N.B. It is not economic to capture all surplus for storage, so lower redispatch figures will occur Factor is multiple of wind capacity. Basis is half hourly data in MW for April 2020