List of power stations in Wales


This is a list of electricity-generating power stations in Wales, sorted by type and name, with installed capacity.
Note that the DBERR maintains a comprehensive list of UK power stations here:

Biomass

power stations:
NameLocationCoordinatesOutputNotes
Uskmouth BNewport51°32'58.41"N 2°58'11.51"W260 MWInitially burning coal up until 2017 the station is now planned to start burning Biomass and Waste in 2021

Nuclear power stations

NameLocationCoordinatesOutputNotes
TrawsfynyddGwynedd470 MW
WylfaAnglesey980 MW

Coal-fired

-fired power stations:
NameLocationCoordinatesOutputNotes
Aberthaw Power StationVale of Glamorgan1500 MW
Uskmouth A Power StationNear Newport228 MW
Uskmouth B Power StationNear Newport393 MWIntermittent biomass firing
CardiffCardiff87.6 MWCommissioned 1922-8, 1942-3 operational 1959
Carmarthen Bay Power StationBurry Port360 MW
LlanellyLlanelly25 MWoperating 1959
MarchweilWrexham12.41 MWoperating 1959
Newport Power StationNewport80 MWoperating 1959
Rogerstone Power StationNear Newport126 MW
Llynfi Power StationBridgend120 MW
Tir John Power StationSwansea81 MW
Upper Boat Power StationPontypridd80 MW

Gas-fired (or combined gas/coal)

fired power stations:
NameLocationCoordinatesOutputNotes
Baglan Bay power stationNeath Port Talbot582 MW
Barry Power StationVale of Glamorgan245 MWdecommissioned in 2019
Connah's Quay Power StationFlintshire1380 MWOriginally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955.
Deeside Power StationFlintshire500 MW
Pembroke Power StationPembroke2000 MWoperational 2012
Severn Power StationUskmouth824 MW
Shotton Power StationFlintshire210 MWCHP
BioGen GwyriadGwynedd3.5 MWbiogas

Hydro-electric

power stations:
NameLocationCoordinatesOutputNotes
Dinorwig Power StationGwynedd1728 MW
Dolgarrog Hydro Power StationConwy 33 MWcommissioned 1909 operational 1959
DolgelleyDolgelly82 kWhydro + oil engine
Ffestiniog Power StationGwynedd360 MW
Machynlleth A and B250 kW,
4.258 MW
hydro + oil engine
Maentwog24 MWcommissioned 1928 operational 1929
Rheidol Power StationCeredigion49 MW
River Tawe BarrageSwansea
Cwm Dyli Hydro Power StationGwynedd10 MWcommissioned 1906 operational 1959
Maentwrog Hydro Power StationGwynedd30 MW
TowynTowyn950 kWhydro + oil engine
Radyr Hydro SchemeCardiff51°31'9.79"N 3°15'13.50"W394 kWHydro

Oil-fired

-fired power stations:
NameLocationCoordinatesOutputNotes
Aberystwyth Power StationAberystwyth1.75 MWDiesel fired generators, closed by 1981
HaverfordwestHaverfordwest8.465 MWOil engines operational 1959
Machynlleth B Power StationMachynlleth3.99 MWDiesel fired generators, closed by 1981
Pembroke Power StationPembroke2000 MWclosed 1999, now demolished

Wind power

generating facilities:
NameLocationCoordinatesOutputNotes
Alltwalis Wind FarmCarmarthenshire23 MW
Brechfa Forest Wind FarmGwernogle, Carmarthenshire90 MW
Carno wind farmCarno, Powys, Mid Wales49 MW
Cefn Croes wind farmCeredigion58.5 MW
Moel MaelogenConwy14.3 MW
North Hoyle Offshore Wind FarmLiverpool Bay60 MW
Pen y CymoeddNeath228 MW
Rhyd-y-GroesAnglesey7 MW
Rhyl FlatsLiverpool Bay90 MW
Gwynt y MôrIrish Sea576 MW

Wave power

generating facilities:

Tidal power