List of power stations in Wales

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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:[1]

Biomass[]

Biomass power stations:

Name	Location	Coordinates	Output	Notes
Uskmouth B	Newport	51°32'58.41"N 2°58'11.51"W	260 MW	Initially burning coal up until 2017 the station is now planned to start burning Biomass and Waste in 2021

Nuclear power stations[]

Nuclear power stations

Name	Location	Coordinates	Output	Notes
Trawsfynydd	Gwynedd	52°55′29.51″N 3°56′54.38″W / 52.9248639°N 3.9484389°W / 52.9248639; -3.9484389 (Trawsfynydd nuclear power station)	470 MW	(Decommissioned in 1991)
Wylfa	Anglesey	53°25′00″N 4°29′00″W / 53.41667°N 4.48333°W / 53.41667; -4.48333 (Wylfa)	980 MW	(Decommissioned in 2015)
Aberporth	Barry

Coal-fired[]

Coal-fired power stations:

Name	Location	Coordinates	Output	Notes
Aberthaw Power Station	Vale of Glamorgan	51°23′14″N 3°24′18″W / 51.38722°N 3.40500°W / 51.38722; -3.40500 (Aberthaw Power Station)	1500 MW	(Decommissioned in 2020)
Uskmouth A Power Station	Near Newport	51°32′57″N 2°58′14″W / 51.54917°N 2.97056°W / 51.54917; -2.97056 (Uskmouth Power Station)	228 MW	(Decommissioned in 1981)
Uskmouth B Power Station	Near Newport	51°32′57″N 2°58′14″W / 51.54917°N 2.97056°W / 51.54917; -2.97056 (Uskmouth Power Station)	393 MW	Intermittent biomass firing
Cardiff power stations	Cardiff	51°29'42"N 03°08'45"W	87.6 MW	Commissioned 1894 operational until late 1960s
Carmarthen Bay Power Station	Burry Port	51°40′47″N 04°14′35″W	360 MW	(Decommissioned in 1984)
Llanelly power station^[1]	Llanelli	51°41'33"N 04°10'15"W	24 MW	operating after 1967
Marchwiel power station	Wrexham	53°01'55"N 02°55'25"W	12.41 MW	operating 1959
Newport power stations	Newport	51°35'11"N 02°59'08"W	80 MW	operating 1895 to late 1970s
Rogerstone Power Station	Near Newport		126 MW	(Decommissioned in 1984)
Llynfi Power Station^[1]	Bridgend	51°34′13″N 03°36′40″W	120 MW	(Decommissioned in 1977)
Tir John Power Station	Swansea	51°37′35″N 03°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^[2]
Bridgend power station			2.0 MW	Operating 1948/9, closed by 1958/9^[2]
Pontypridd power station			1.8 MW	Operating 1948/9, closed by 1958/9^[2]
Penydarren power station			0.52 MW	Operating 1948/9, closed by 1958/9^[2]

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	51°37′11″N 3°49′47″W / 51.61972°N 3.82972°W / 51.61972; -3.82972 (Baglan Bay power station)	582 MW^[3]
Barry Power Station	Vale of Glamorgan	51°24′29″N 3°13′43″W / 51.40806°N 3.22861°W / 51.40806; -3.22861 (Barry Power Station)	245 MW	decommissioned in 2019
Connah's Quay Power Station	Flintshire	53°13′56″N 3°04′53″W / 53.23222°N 3.08139°W / 53.23222; -3.08139 (Connah's Quay Power Station)	1380 MW	Originally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955.^[1]
Deeside Power Station	Flintshire	53°14′02″N 3°02′02″W / 53.23389°N 3.03389°W / 53.23389; -3.03389 (Deeside Power Station)	500 MW
Pembroke Power Station	Pembroke	51°40′59″N 4°59′18″W / 51.68306°N 4.98833°W / 51.68306; -4.98833 (Pembroke Power Station)	2000 MW	(planning approved 2009)operational 2012
Severn Power Station	Uskmouth	51°32′52″N 2°58′35″W / 51.54778°N 2.97639°W / 51.54778; -2.97639 (Severn Power Station)	824 MW
Shotton Power Station	Flintshire	53°14′02″N 3°01′58″W / 53.23389°N 3.03278°W / 53.23389; -3.03278 (Shotton Power Station)	210 MW	CHP (currently decommissioned)
	Gwynedd	53°02′52″N 2°59′35″W / 53.047741°N 2.993057°W / 53.047741; -2.993057 (BioGen Gwyriad)	3.5 MW	biogas^[4]

Hydro-electric[]

Hydro-electric power stations:

Name	Location	Coordinates	Output	Notes
Cwm Dyli hydro power station^[1]	Gwynedd		10 MW	commissioned 1906 operational
Dinorwig Power Station	Gwynedd	53°7′7″N 4°6′50″W / 53.11861°N 4.11389°W / 53.11861; -4.11389 (Dinorwig Power Station)	1728 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 / 52.98083°N 3.96889°W / 52.98083; -3.96889 (Ffestiniog Power Station)	360 MW	(pumped storage)
Machynlleth A power station	Powys		250 kW	hydro + oil engine^[1]
Maentwrog power station^[1]	Gwynedd	52°56'10"N 4°00'15"W	30 MW	commissioned 1928, refitted 1988-92
Rheidol Power Station	Ceredigion	52°23′46″N 3°54′00″W / 52.39611°N 3.90000°W / 52.39611; -3.90000 (Rheidol Power Station)	49 MW
River Tawe Barrage	Swansea	51°36′58″N 3°55′44″W / 51.61611°N 3.92889°W / 51.61611; -3.92889 (Swansea Bay barrage)
Towyn power station^[1]	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)

Oil-fired[]

Oil-fired power stations:

Name	Location	Coordinates	Output	Notes
Aberystwyth power station	Ceredigion	52°24'45"N 4°05'03"W	5 MW	Diesel fired generators, closed by 1978
Haverfordwest power station^[1]	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
	Pembrokeshire		815 kW	Oil engines, closed 28 February 1958
Pembroke Power Station	Pembrokeshire	51°40′59″N 4°59′18″W / 51.68306°N 4.98833°W / 51.68306; -4.98833 (Pembroke Power Station)	2000 MW	closed 1999, now demolished
Lampeter power station			400 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[2]
Llandrindod Wells power station			231 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[2]
St Clears power station			113 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[2]
Aberayron power station			100 kW	Internal combustion (diesel), Operating 1948/9, closed by 1958/9^[2]

Wind power[]

Wind power generating facilities:

Name	Location	Coordinates	Output	Notes
Alltwalis Wind Farm	Carmarthenshire	51°58′24″N 4°15′3″W / 51.97333°N 4.25083°W / 51.97333; -4.25083 (Alltwalis Wind Farm)	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 / 52.55028°N 3.60028°W / 52.55028; -3.60028 (Carno wind farm)	49 MW
Cefn Croes wind farm	Ceredigion	52°24′18″N 3°45′03″W / 52.40500°N 3.75083°W / 52.40500; -3.75083 (Cefn Croes)	58.5 MW
Moel Maelogen	Conwy	53°08′07″N 3°43′25″W / 53.13528°N 3.72361°W / 53.13528; -3.72361 (Moel Maelogen)	14.3 MW
North Hoyle Offshore Wind Farm	Liverpool Bay	53°26′N 3°24′W / 53.433°N 3.400°W / 53.433; -3.400 (North Hoyle Offshore Wind Farm)	60 MW
Pen y Cymoedd	Neath	51°41′01″N 03°41′01″W / 51.68361°N 3.68361°W / 51.68361; -3.68361 (Pen y Cymoedd wind farm)	228 MW
	Anglesey		7 MW
Rhyl Flats	Liverpool Bay	53°22′N 03°39′W / 53.367°N 3.650°W / 53.367; -3.650 (Rhyl Flats)	90 MW
Gwynt y Môr	Irish Sea	53°27′N 03°35′W / 53.450°N 3.583°W / 53.450; -3.583 (Gwynt y Môr)	576 MW	(consent granted 2008, construction began 2011)

Wave power[]

Wave power generating facilities:

Tidal power[]

Name	Location	Coordinates	Output	Notes

References[]

^ ^a ^b ^c ^d ^e ^f ^g ^h Garrett, Frederick C., ed. (1959). Garcke's Manual of Electricity Supply vol.56. London: Electrical Press. pp. A-26 to A-110.
^ ^a ^b ^c ^d ^e ^f ^g ^h Bloomfield, Gerald T. "British Electricity History: South Wales Electricity Board" (PDF). p. Table 7 and Table 8. Retrieved 3 August 2021.{{cite web}}: CS1 maint: url-status (link)
^ "Baglan Bay | Calon Energy Limited". calonenergy.com. Retrieved 5 August 2019.
^ "Biogen in Wales | Food Recycling in Wales | Biogen". www.biogen.co.uk.

Citations[]

[:0-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h Garrett, Frederick C., ed. (1959). Garcke's Manual of Electricity Supply vol.56. London: Electrical Press. pp. A-26 to A-110.

[:1-2] ^ ^a ^b ^c ^d ^e ^f ^g ^h Bloomfield, Gerald T. "British Electricity History: South Wales Electricity Board" (PDF). p. Table 7 and Table 8. Retrieved 3 August 2021.{{cite web}}: CS1 maint: url-status (link)

[3] "Baglan Bay | Calon Energy Limited". calonenergy.com. Retrieved 5 August 2019.

[4] "Biogen in Wales | Food Recycling in Wales | Biogen". www.biogen.co.uk.

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