# 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:

## 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) |

## Coal-fired

Coal-fired power stations:
| Name | Location | Coordinates | Output | Notes |
| Aberthaw power stations | 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 | Initially burning coal with intermittent biomass firing up until 2017, planned conversion to burn biomass and waste abandoned. Decommissioned by 2024. |
| 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 | Llanelli | 51°41'33"N 04°10'15"W | 24 MW | operating until 1967 |
| Marchwiel power station | Wrexham | 53°01'55"N 02°55'25"W | 12.41 MW | operating until 1959 |
| Newport power stations | Newport | 51°35'11"N 02°59'08"W | 80 MW | operating 1895 to late 1970s |
| Rogerstone power station | Rogerstone near Newport | | 126 MW | (Decommissioned in 1984) |
| Llynfi Power Station | 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 |
| Bridgend power station | | | 2.0 MW | Operating 1948/9, closed by 1958/9 |
| Pontypridd power station | | | 1.8 MW | Operating 1948/9, closed by 1958/9 |
| Penydarren power station | | | 0.52 MW | Operating 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 | 51°37′11″N 3°49′47″W﻿ / ﻿51.61972°N 3.82972°W﻿ / 51.61972; -3.82972﻿ (Baglan Bay power station) | 582 MW | Closed in 2020 |
| 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 March 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. |
| 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 | Mothballed August 2020 |
| 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 (decommissioned 2012) |
| BioGen Gwyriad | 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 |

## Hydro-electric

Hydro-electric power stations:
| Name | Location | Coordinates | Output | Notes |
| Cwm Dyli hydro power station | 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 |
| Maentwrog power station | 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 | 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 | 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 / ﻿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 |
| Llandrindod Wells power station | | | 231 kW | Internal combustion (diesel), Operating 1948/9, closed by 1958/9 |
| St Clears power station | | | 113 kW | Internal combustion (diesel), Operating 1948/9, closed by 1958/9 |
| Aberayron power station | | | 100 kW | Internal combustion (diesel), Operating 1948/9, closed by 1958/9 |

## 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 | |
| Rhyd-y-Groes | 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) |