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 operational UK power stations here:
Nuclear power stations
Nuclear power stations| Name | Location | Coordinates | Output | Notes |
| Trawsfynydd | Gwynedd | 470 MW | ||
| Wylfa | Anglesey | 980 MW |
Coal-fired
Coal-fired power stations:| Name | Location | Coordinates | Output | Notes |
| Aberthaw power stations | Vale of Glamorgan | 1500 MW | ||
| Uskmouth A power station | Near Newport | 228 MW | ||
| Uskmouth B power station | Near Newport | 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 | |
| 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 | ||
| Llynfi Power Station | Bridgend | 51°34′13″N 03°36′40″W | 120 MW | |
| Tir John power station | Swansea | 51°37′35″N 03°53′50″W | 142 MW | Oil-fired from 1967 |
| Upper Boat power station | Pontypridd | 51°34'34"N 3°18'07"W | 144 MW | |
| 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 fired power stations:| Name | Location | Coordinates | Output | Notes |
| Baglan Bay power station | Neath Port Talbot | 582 MW | Closed in 2020 | |
| Barry Power Station | Vale of Glamorgan | 245 MW | Decommissioned March 2019 | |
| Connah's Quay Power Station | Flintshire | 1380 MW | Originally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955. | |
| Deeside Power Station | Flintshire | 500 MW | ||
| Pembroke Power Station | Pembroke | 2000 MW | , operational 2012 | |
| Severn Power Station | Uskmouth | 824 MW | Mothballed August 2020 | |
| Shotton Power Station | Flintshire | 210 MW | CHP | |
| BioGen Gwyriad | Gwynedd | 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 | 1728 MW | ||
| 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 | 360 MW | ||
| 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 | 49 MW | ||
| River Tawe Barrage | Swansea | |||
| 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 |
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 operational 1959 | |
| Machynlleth A and B power stations | Powys | 522 kW, 4.258 MW | Diesel fired generators, closed by 1978 | |
| Milford Haven power station | Pembrokeshire | 815 kW | Oil engines, closed 28 February 1958 | |
| Pembroke Power Station | Pembrokeshire | 2000 MW | closed 1999, now demolished | |
| Lampeter power station | 400 kW | Internal combustion, Operating 1948/9, closed by 1958/9 | ||
| Llandrindod Wells power station | 231 kW | Internal combustion, Operating 1948/9, closed by 1958/9 | ||
| St Clears power station | 113 kW | Internal combustion, Operating 1948/9, closed by 1958/9 | ||
| Aberayron power station | 100 kW | Internal combustion, Operating 1948/9, closed by 1958/9 |
Wind power
Wind power generating facilities:| Name | Location | Coordinates | Output | Notes |
| Alltwalis Wind Farm | Carmarthenshire | 23 MW | ||
| Brechfa Forest Wind Farm | Gwernogle, Carmarthenshire | 90 MW | ||
| Carno wind farm | Carno, Powys, Mid Wales | 49 MW | ||
| Cefn Croes wind farm | Ceredigion | 58.5 MW | ||
| Moel Maelogen | Conwy | 14.3 MW | ||
| North Hoyle Offshore Wind Farm | Liverpool Bay | 60 MW | ||
| Pen y Cymoedd | Neath | 228 MW | ||
| Rhyd-y-Groes | Anglesey | 7 MW | ||
| Rhyl Flats | Liverpool Bay | 90 MW | ||
| Gwynt y Môr | Irish Sea | 576 MW |