Keywords: Severn Barrages map.svg A map of various plans to put some sort of w barrage across the w River Severn including the three main plans The numbers in brackets represents peak flow generating capacity in GW where one GW represents 1 million watts ; in comparison average UK demand is around 40GW Created from w File Severn_estuary_barrages png a work by w User Fig wright released into the public domain Created 5 March 2010 with information from the period 2007 8 Jarry1250 derivative of w User Fig wright SVG maps of England Severn Barrage |