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:https://web.archive.org/web/20080726175614/http://www.berr.gov.uk/energy/statistics/source/electricity/page18527.html
| Name | Location | Coordinates | Output | Notes | |
|---|---|---|---|---|---|
| 52.9249°N -3.9484°W | 470 MW | (Decommissioned in 1991) | |||
| 53.4167°N -4.4833°W | 980 MW | (Decommissioned in 2015) |
Coal-fired power stations:
| Name | Location | Coordinates | Output | Notes |
|---|---|---|---|---|
| 51.3872°N -3.405°W | 1500 MW | (Decommissioned in 2020) | ||
| Uskmouth A power station | Near Newport | 51.5492°N -2.9706°W | 228 MW | (Decommissioned in 1981) |
| Uskmouth B power station | Near Newport | 51.5492°N -2.9706°W | 393 MW | Initially burning coal with intermittent biomass firing up until 2017, planned conversion to burn biomass and waste abandoned.[1] Current operational status unclear. |
| Cardiff power stations | Cardiff | 51°29'42"N 03°08'45"W | 87.6 MW | Commissioned 1894 operational until late 1960s |
| 51°40′47″N 04°14′35″W | 360 MW | (Decommissioned in 1984) | ||
| Llanelly power station[2] | 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 | 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[3] | ||
| 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 (or combined gas/coal) fired power stations:
| Name | Location | Coordinates | Output | Notes |
|---|---|---|---|---|
| 51.6197°N -3.8297°W | 582 MW[4] | Closed in 2020 | ||
| 51.4081°N -3.2286°W | 245 MW | Decommissioned March 2019[5] | ||
| 53.2322°N -3.0814°W | 1380 MW | Originally coal-fired PF, 6x Parsons 30 MW turbines. Commissioned 1955. | ||
| 53.2339°N -3.0339°W | 500 MW | |||
| 51.6831°N -4.9883°W | 2000 MW | (Planning approved 2009), operational 2012 | ||
| 51.5478°N -2.9764°W | 824 MW | Mothballed August 2020[6] | ||
| 53.2339°N -3.0328°W | 210 MW | CHP (decommissioned 2012)[7] | ||
| BioGen Gwyriad | 53.0477°N -2.9931°W | 3.5 MW | Biogas[8] | |
Hydro-electric power stations:
| Name | Location | Coordinates | Output | Notes |
|---|---|---|---|---|
| Cwm Dyli hydro power station | Gwynedd | 10 MW | commissioned 1906 operational | |
| 53.1186°N -4.1139°W | 1728 MW | (pumped storage) | ||
| Dolgarrog power station | 53°11'28"N 3°50'33"W | 28 MW | commissioned 1907 operational 2020 | |
| Dolgelley power station | Dolgellau | 148 kW | hydro + oil engine | |
| 52.9808°N -3.9689°W | 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 |
| 52.3961°N -3.9°W | 49 MW | |||
| 51.6161°N -3.9289°W | ||||
| 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 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 | |
| Pembrokeshire | 815 kW | Oil engines, closed 28 February 1958 | ||
| 51.6831°N -4.9883°W | 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 generating facilities:
| Name | Location | Coordinates | Output | Notes |
|---|---|---|---|---|
| 51.9733°N -4.2508°W | 23 MW | |||
| 90 MW | ||||
| 52.5503°N -3.6003°W | 49 MW | |||
| Cefn Croes wind farm | 52.405°N -3.7508°W | 58.5 MW | ||
| 53.1353°N -3.7236°W | 14.3 MW | |||
| 53.4333°N -27°W | 60 MW | |||
| 51.6836°N -3.6836°W | 228 MW | |||
| 7 MW | ||||
| 53.3667°N -42°W | 90 MW | |||
| 53.45°N -38°W | 576 MW | (consent granted 2008, construction began 2011) | ||