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).

Map all coordinates using OpenStreetMap

Download coordinates as:

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

Name	Location	Coordinates	Output	Notes
Trawsfynydd	Gwynedd	52°55′29.51″N 3°56′54.38″W	470 MW	(Decommissioned in 1991)
Wylfa	Anglesey	53°25′00″N 4°29′00″W	980 MW	(Decommissioned in 2015)

Name	Location	Coordinates	Output	Notes
Aberthaw power stations	Vale of Glamorgan	51°23′14″N 3°24′18″W	1,500 MW	(Decommissioned in 2020)
Uskmouth A Power Station	Near Newport	51°32′57″N 2°58′14″W	228 MW	(Decommissioned in 1981)
Uskmouth B Power Station	Near Newport	51°32′57″N 2°58′14″W	393 MW	Initially burning coal with intermittent biomass firing up until 2017, planned conversion to burn biomass and waste abandoned.^[1] Decommissioned by 2024.^[2]
Cardiff power stations	Cardiff	51°29′42″N 3°8′45″W	87.6 MW	Commissioned 1894 operational until late 1960s
Carmarthen Bay Power Station	Burry Port	51°40′47″N 4°14′35″W	360 MW	(Decommissioned in 1984)
Llanelly Power Station^[3]	Llanelli	51°41′33″N 4°10′15″W	24 MW	operating until 1967
Marchwiel Power Station	Wrexham	53°01′55″N 2°55′25″W	12.41 MW	operating until 1959
Newport power stations	Newport	51°35′11″N 2°59′08″W	80 MW	operating 1895 to late 1970s
Rogerstone power station	Rogerstone near Newport		126 MW	(Decommissioned in 1984)
Llynfi Power Station^[3]	Bridgend	51°34′13″N 3°36′40″W	120 MW	(Decommissioned in 1977)
Tir John Power Station	Swansea	51°37′35″N 3°53′50″W	142 MW	Oil-fired from 1967 (Decommissioned in 1976)
Upper Boat Power Station	Pontypridd	51°34′34″N 3°18′07″W	144 MW	(Decommissioned in 1972)
Penarth power station			2.2 MW	Operating 1948/9, closed by 1958/9^[4]
Bridgend power station			2.0 MW	Operating 1948/9, closed by 1958/9^[4]
Pontypridd power station			1.8 MW	Operating 1948/9, closed by 1958/9^[4]
Penydarren power station			0.52 MW	Operating 1948/9, closed by 1958/9^[4]

Name	Location	Coordinates	Output	Notes
Baglan Bay Power Station	Neath Port Talbot	51°37′11″N 3°49′47″W	582 MW^[5]	Closed in 2020
Barry Power Station	Vale of Glamorgan	51°24′29″N 3°13′43″W	245 MW	Decommissioned March 2019^[6]
Connah's Quay Power Station	Flintshire	53°13′56″N 3°04′53″W	1,380 MW	Originally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955.^[3]
Deeside Power Station	Flintshire	53°14′02″N 3°02′02″W	500 MW
Pembroke Power Station	Pembroke	51°40′59″N 4°59′18″W	2,000 MW	(Planning approved 2009), operational 2012
Severn Power Station	Uskmouth	51°32′52″N 2°58′35″W	824 MW	Mothballed August 2020^[7]
Shotton Power Station	Flintshire	53°14′02″N 3°01′58″W	210 MW	CHP (decommissioned 2012)^[8]
BioGen Gwyriad	Gwynedd	53.047741°N 2.993057°W / 53.047741; -2.993057 (BioGen Gwyriad)	3.5 MW	Biogas^[9]

Name	Location	Coordinates	Output	Notes
Cwm Dyli hydro Power Station^[3]	Gwynedd		10 MW	commissioned 1906 operational
Dinorwig Power Station	Gwynedd	53°7′7″N 4°6′50″W	1,728 MW	(pumped storage)
Dolgarrog power station	Conwy (county borough)	53°11′28″N 3°50′33″W	28 MW	commissioned 1907 operational 2020
Dolgelley power station	Dolgellau		148 kW	hydro + oil engine
Ffestiniog Power Station	Gwynedd	52°58′51″N 3°58′8″W	360 MW	(pumped storage)
Machynlleth A Power Station	Powys		250 kW	hydro + oil engine^[3]
Maentwrog power station^[3]	Gwynedd	52°56′10″N 4°0′15″W	30 MW	commissioned 1928, refitted 1988-92
Rheidol Power Station	Ceredigion	52°23′46″N 3°54′00″W	56 MW
River Tawe Barrage	Swansea	51°36′58″N 3°55′44″W	200 kW
Towyn power station^[3]	Tywyn		950 kW	hydro + oil engine
Radyr Hydro Scheme	Cardiff	51°31′9.79″N 3°15′13.50″W	394 kW	Hydro (River Weir Screw Turbines)
Llys-y-frân Reservoir^[10]	Pembrokeshire	51°52′5″N 4°51′08″W	37 kW
Gafr Hydro^[11]	Gwynedd	53°06′22″N 4°04′53″W	350 kW
Strata Florida Water Treatment Works^[10]	Ceredigion	52°16′39.5″N 3°49′29.7″W	140 kW
Llyn Brianne Reservoir^[10]	Carmarthenshire	52°07′10.3″N 3°45′59.8″W	4.6 MW
Bryn Cowlyd Upper^[10]	Conwy (county borough)	53°10′12.2″N 3°51′39.2″W	200 kW
Bryn Cowlyd Lower^[10]	Conwy (county borough)	53°10′35.9″N 3°50′45.6″W	200 kW
Caban Coch Reservoir^[10]	Powys	52°16′06.7″N 3°34′33.6″W	950 kW
Pen-y-garreg, Craig Goch and Claerwen Reservoirs^[10]	Powys	52°15′46.4″N 3°36′21.9″W	2.91 MW	3 turbines, one on each reservoir
Cwmorthin Hydro^[10]	Gwynedd	52°59′41.3″N 3°58′10.1″W	410 kW
Ffestiniog Hydroelectric^[10]	Gwynedd	52°58′31.0″N 3°56′44.9″W	710 kW
Llyn Celyn Reservoir^[10]	Gwynedd	52°56′42.8″N 3°40′06.1″W	4.5 MW
Alwen Water Treatment Works^[10]	Denbighshire	53°03′45.4″N 3°33′22.3″W	37 kW
Brenig Reservoir^[10]	Denbighshire	53°04′23.1″N 3°31′53.6″W	60 kW
Cefn Dryscoed Water Treatment Works^[10]	Powys	51°46′22.3″N 3°34′58.7″W	70 kW
Crai Water Treatment Works^[10]	Powys	51°50′31.5″N 3°40′08.0″W	90 kW
Dolbenmaen Water Treatment Works^[10]	Gwynedd	52°57′48.6″N 4°14′07.6″W	89 kW
Eithynfynydd Water Treatment Works^[10]	Gwynedd	52°46′27.9″N 4°04′29.0″W	30 kW
Preseli Water Treatment Works^[10]	Pembrokeshire	51°55′05.0″N 4°49′03.9″W	37 kW
Pen Y Cefn Water Treatment Works^[10]	Gwynedd	52°44′58.7″N 3°53′07.9″W	12 kW
Tyn Y Waun Water Treatment Works^[10]	Rhondda Cynon Taf	51°40′55.7″N 3°32′47.8″W	90 kW

Name	Location	Coordinates	Output	Notes
Aberystwyth Power Station	Ceredigion	52°24′45″N 4°5′3″W	5.0 MW	Diesel fired generators, closed by 1978
Haverfordwest Power Station^[3]	Pembrokeshire		8.465 MW	Oil engines (8) operational 1959
Machynlleth A and B power stations	Powys		522 kW (A), 4.258 MW (B)	Diesel fired generators, closed by 1978
Milford Haven Power Station	Pembrokeshire		815 kW	Oil engines, closed 28 February 1958
Pembroke Power Station	Pembrokeshire	51°40′59″N 4°59′18″W	2,000 MW	closed 1999, now demolished
Lampeter power station			400 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[4]
Llandrindod Wells power station			231 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[4]
St Clears power station			113 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[4]
Aberayron power station			100 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[4]

List of power stations in Wales

Nuclear power stations

Coal-fired

Gas-fired (or combined gas/coal)

Hydro-electric

Oil-fired

Wind power

Anaerobic Digesters

See also

References

Citations

Related Articles

Name	Location	Coordinates	Output	Notes
Alltwalis Wind Farm	Carmarthenshire	51°58′24″N 4°15′3″W	23 MW
Brechfa Forest Wind Farm	Gwernogle, Carmarthenshire		90 MW
Carno wind farm	Carno, Powys, Mid Wales	52°33′1″N 3°36′1″W	49 MW
Cefn Croes wind farm	Ceredigion	52°24′18″N 3°45′03″W	58.5 MW
Moel Maelogen	Conwy	53°08′07″N 3°43′25″W	14.3 MW
North Hoyle Offshore Wind Farm	Liverpool Bay	53°26′N 3°24′W	60 MW
Pen y Cymoedd	Neath	51°41′01″N 03°41′01″W	228 MW
Rhyd-y-Groes	Anglesey		7.0 MW
Rhyl Flats	Liverpool Bay	53°22′N 03°39′W	90 MW
Gwynt y Môr	Irish Sea	53°27′N 03°35′W	576 MW	(consent granted 2008, construction began 2011)

Name	Location	Coordinates	Output	Notes
Cardiff East Wastewater Treatment Works^[12]	Cardiff	51°28′39.3″N 3°8′12.4″W	4.2 MW	Anaerobic Digestion with Combined Heat and Power
Afan Wastewater Treatment Works^[12]	Neath Port Talbot	51°34′16.3″N 3°47′21.9″W	3.0 MW	Anaerobic Digestion with Combined Heat and Power
Five Fords Wastewater Treatment Works^[12]	Wrexham	53°01′29.4″N 2°56′57.1″W	1.2 MW	Anaerobic Digestion with Gas to Grid and Combined Heat and Power
Cog Moors Wastewater Treatment Works^[12]	Vale of Glamorgan	51°25′10.0″N 3°12′22.1″W	390 kW	Anaerobic Digestion with Combined Heat and Power
Kinmel Bay Wastewater Treatment Works^[12]	Conwy County	53°17′39.2″N 3°31′17.3″W	190 kW	Anaerobic Digestion with Combined Heat and Power
Llanfoist Wastewater Treatment Works^[12]	Monmouthshire	51°48′49.1″N 3°01′03.6″W	177 kW	Anaerobic Digestion with Combined Heat and Power
Swansea Bay Wastewater Treatment Works^[12]	Swansea	51°37′13.6″N 3°53′42.1″W	580 kW	Anaerobic Digestion with Combined Heat and Power
Queensferry Wastewater Treatment Works^[12]	Flintshire	53°12′24.4″N 3°00′54.7″W	190 kW	Anaerobic Digestion with Combined Heat and Power