Details of the risks and benefits of the Severn tidal power proposals.
Analysis and evidence on the 5 shortlisted Severn schemes:
- Cardiff-Weston: spanning estuary from Brean Down to Lavernock Point
- Shoots Barrage: near Severn road crossings
- Beachley Barrage: upstream of Shoots Barrage, and of Wye river
- Welsh Grounds Lagoon: impoundment on Welsh shore between Newport and Severn road crossings
- Bridgewater Bay Lagoon: impoundment on English shore between Hinkley Point and Weston-super-Mare