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 (May 2007).

Note that the DBERR maintains a comprehensive list of operational UK power stations here:

Nuclear power stations Nuclear power stations

Name Location Coordinates Output NotesTrawsfynydd Gwynedd (Decommissioned in 1991)Wylfa Anglesey (Decommissioned in 2015)

Coal-fired Coal-fired power stations:

Name Location Coordinates Output NotesAberthaw power stations Vale of Glamorgan (Decommissioned in 2020)Uskmouth A Power StationNear Newport(Decommissioned in 1981)Uskmouth B Power Station Near Newport Initially burning coal with intermittent biomass firing up until 2017, planned conversion to burn biomass and waste abandoned. Decommissioned by 2024.Cardiff power stationsCardiffCommissioned 1894 operational until late 1960sCarmarthen Bay Power Station Burry Port (Decommissioned in 1984)Llanelly Power StationLlanellioperating until 1967Marchwiel Power StationWrexhamoperating until 1959Newport power stationsNewportoperating 1895 to late 1970sRogerstone power stationRogerstone near Newport (Decommissioned in 1984)Llynfi Power StationBridgend(Decommissioned in 1977)Tir John Power StationSwanseaOil-fired from 1967 (Decommissioned in 1976)Upper Boat Power StationPontypridd(Decommissioned in 1972)Penarth power stationOperating 1948/9, closed by 1958/9Bridgend power stationOperating 1948/9, closed by 1958/9Pontypridd power stationOperating 1948/9, closed by 1958/9Penydarren power stationOperating 1948/9, closed by 1958/9

Gas-fired (or combined gas/coal) Gas (or combined gas/coal) fired power stations: Name Location Coordinates Output Notes Baglan Bay Power Station Neath Port Talbot Closed in 2020 Barry Power Station Vale of Glamorgan Decommissioned March 2019 Connah's Quay Power Station Flintshire Originally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955. Deeside Power Station Flintshire Pembroke Power Station Pembroke (Planning approved 2009), operational 2012 Severn Power Station Uskmouth Mothballed August 2020 Shotton Power Station Flintshire CHP (decommissioned 2012) BioGen Gwyriad Gwynedd Biogas

Hydro-electric

Hydro-electric power stations:

Name Location Coordinates Output NotesCwm Dyli hydro Power StationGwyneddcommissioned 1906 operational Dinorwig Power Station Gwynedd (pumped storage) Dolgarrog power station Conwy (county borough) commissioned 1907 operational 2020Dolgelley power stationDolgellauhydro + oil engine Ffestiniog Power Station Gwynedd (pumped storage)Machynlleth A Power StationPowyshydro + oil engineMaentwrog power stationGwyneddcommissioned 1928, refitted 1988-92 Rheidol Power Station Ceredigion River Tawe Barrage Swansea Towyn power stationTywynhydro + oil engineRadyr Hydro SchemeCardiffHydro (River Weir Screw Turbines)Llys-y-frân ReservoirPembrokeshireGafr HydroGwyneddStrata Florida Water Treatment WorksCeredigionLlyn Brianne ReservoirCarmarthenshireBryn Cowlyd UpperConwy (county borough)Bryn Cowlyd LowerConwy (county borough)Caban Coch ReservoirPowysPen-y-garreg, Craig Goch and Claerwen ReservoirsPowys3 turbines, one on each reservoirCwmorthin HydroGwyneddFfestiniog HydroelectricGwyneddLlyn Celyn ReservoirGwyneddAlwen Water Treatment WorksDenbighshireBrenig ReservoirDenbighshireCefn Dryscoed Water Treatment WorksPowysCrai Water Treatment WorksPowysDolbenmaen Water Treatment WorksGwyneddEithynfynydd Water Treatment WorksGwyneddPreseli Water Treatment WorksPembrokeshirePen Y Cefn Water Treatment WorksGwyneddTyn Y Waun Water Treatment WorksRhondda Cynon Taf

Oil-fired Oil-fired power stations: Name Location Coordinates Output NotesAberystwyth Power StationCeredigionDiesel fired generators, closed by 1978 Haverfordwest Power StationPembrokeshireOil engines (8) operational 1959Machynlleth A and B power stationsPowys (A), (B)Diesel fired generators, closed by 1978 Milford Haven Power Station PembrokeshireOil engines, closed 28 February 1958 Pembroke Power Station Pembrokeshire closed 1999, now demolishedLampeter power stationInternal combustion (diesel), Operating 1948/9, closed by 1958/9Llandrindod Wells power stationInternal combustion (diesel), Operating 1948/9, closed by 1958/9St Clears power stationInternal combustion (diesel), Operating 1948/9, closed by 1958/9Aberayron power stationInternal combustion (diesel), Operating 1948/9, closed by 1958/9

Wind power Wind power generating facilities: Name Location Coordinates Output Notes Alltwalis Wind Farm Carmarthenshire Brechfa Forest Wind Farm Gwernogle, Carmarthenshire Carno wind farm Carno, Powys, Mid Wales Cefn Croes wind farm Ceredigion Moel Maelogen Conwy North Hoyle Offshore Wind Farm Liverpool Bay Pen y Cymoedd Neath Rhyd-y-Groes Anglesey Rhyl Flats Liverpool Bay Gwynt y Môr Irish Sea (consent granted 2008, construction began 2011)

Anaerobic Digesters Anaerobic digester generating facilities: NameLocationCoordinatesOutputNotesCardiff East Wastewater Treatment WorksCardiffAnaerobic Digestion with Combined Heat and PowerAfan Wastewater Treatment WorksNeath Port TalbotAnaerobic Digestion with Combined Heat and PowerFive Fords Wastewater Treatment WorksWrexhamAnaerobic Digestion with Gas to Grid and Combined Heat and PowerCog Moors Wastewater Treatment WorksVale of GlamorganAnaerobic Digestion with Combined Heat and PowerKinmel Bay Wastewater Treatment WorksConwy CountyAnaerobic Digestion with Combined Heat and PowerLlanfoist Wastewater Treatment WorksMonmouthshireAnaerobic Digestion with Combined Heat and PowerSwansea Bay Wastewater Treatment WorksSwanseaAnaerobic Digestion with Combined Heat and PowerQueensferry Wastewater Treatment WorksFlintshireAnaerobic Digestion with Combined Heat and Power

List of power stations in Wales

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