Magnox Reactors

Fuel – no enrichment Uranium Metal
Cladding – Magnesium non-oxidising alloy "Magnox"
Moderator – graphite
Coolant – CO2 gas
Control – boron steel rods
Shield – originally steel but later reinforced concrete

UK Magnox Reactors 

Berkeley, Gloucestershire, 2 units 138 MWe each, first grid connection 1962, shut down 1989

Bradwell near Southminster, Essex, 2 units 123 MWe each, first grid connection 1962, shut down 2002

Calder Hall near Whitehaven, Cumbria, 4 units 50 MWe each, first grid connection 1956, shut down 2003

Chapelcross near Annan, Dumfriesshire, 4 units 50 MWe each, first grid connection 1959, shut down 2003

Hunterston near West Kilbride, 2 units 160 MWe each, first grid connection 1964, shut down 1990

Hinkley Point A near Bridgwater, Somerset, 2 units 235 MWe each, first grid connection 1965, shut down 1999

Trawsfynydd in Gwynedd, 2 units 195 MWe each, first grid connection 1965, shut down 1991

Dungeness A in Kent, 2 units 220 MWe each, first grid connection 1965, shut down 2006

Sizewell A near Leiston, Suffolk, 2 units 210 MWe each, first grid connection 1966, shut down 2006

Oldbury near Thornbury, South Gloucestershire, 2 units 217 MWe each, first grid connection 1967, shut down 2012

Wylfa on Anglesey, 2 units 495 MWe each, first grid connection 1971, shut down 2015