List of power stations in Wales
Gas-fired ( or combined gas/coal )
Table:
Name	Location	Output	Notes

Baglan Bay power station	Neath Port Talbot	582 MW

Barry Power Station	Vale of Glamorgan	245 MW	decommissioned in 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	( planning approved 2009 ) operational 2012

Severn Power Station	Uskmouth	824 MW

Shotton Power Station	Flintshire	210 MW	CHP ( currently decommissioned )

BioGen Gwyriad	Gwynedd	3.5 MW	biogas

Leveraging the following table plus the context snippets provided.

State the answer to the question: What fuel source does the station with a 824 MW output use ? Respond with the correct answer (omit explanations) in JSON format as {"answer": "YOUR ANSWER"}. Use only the information given.

Baglan Bay power station is a 525MWe gas-fired power station situated on Baglan Moors just west of Port Talbot in Wales .
Neath Port Talbot ( Welsh : Castell-nedd Port Talbot ) is a county borough and one of the unitary authority areas of Wales . Neath Port Talbot is the eighth most populous local authority area in Wales and the third most populous county borough . The actual population taken at the 2011 census was 139,812 . The coastal areas are mainly English-speaking , however there are many Welsh-speaking communities in the Valleys to the north of the borough . The county borough borders the other principal areas of Bridgend and Rhondda Cynon Taf to the east , Powys and Carmarthenshire to the north and Swansea to the west . Its principal towns are Neath , Port Talbot and Pontardawe .
Barry Power Station is a 230 MWe gas-fired power station on Sully Moors Road in Sully in the Vale of Glamorgan , Wales . It is eight miles west of Cardiff and is next to a large Ineos Vinyls chemicals works that makes PVC and a Hexion Chemicals plant .
The Vale of Glamorgan ( Welsh : Bro Morgannwg [ ˈbroː mɔrˈɡanʊɡ ] ) , often referred to as The Vale , is a county borough in Wales , bordering Bridgend , Cardiff , and Rhondda Cynon Taf . With an economy based largely on agriculture and chemicals , it is the southernmost unitary authority in Wales . Attractions include Barry Island Pleasure Park , the Barry Tourist Railway , Porthkerry Park , St Donat 's Castle , Cosmeston Lakes Country Park and Cosmeston Medieval Village . It is also the location of Atlantic College , one of the United World Colleges . The largest town is Barry . Other towns include Penarth , Llantwit Major and Cowbridge . There are many villages in the county borough .
Connah 's Quay Power Station is a 1,420 MW gas-fired power station to the west of Connah 's Quay in Flintshire in north Wales . It is next to the A548 , being tightly situated between the road and the south bank of the River Dee .
Flintshire ( Welsh : Sir y Fflint ) is a principal area of Wales , known as a county . It was created by the Local Government ( Wales ) Act 1994 . It is in north-east Wales , bordering the English county of Cheshire to the east , Denbighshire to the west and Wrexham County Borough to the south . It is named after the historic county of Flintshire which has notably different borders . Flintshire is considered part of the Welsh Marches and formed part of the historic Earldom of Chester and Flint . The county is governed by Flintshire County Council based in County Hall , Mold . The largest town in the county is Connah 's Quay , followed by Flint , Buckley and Mold .
Deeside Power Station is a 498 MWe gas-fired power station on Weighbridge Road , near the A548 , on the Deeside Industrial Park to the north of Connah 's Quay in Flintshire , Wales . It is north of the River Dee .
Pembroke B Power Station is a 2,200 MWe natural gas-fired power station near Pembroke in Wales . The power station was officially opened on 19 September 2012 and is the largest gas-fired power station in Europe . It is also the largest power station to be built in the UK since Drax power station came online in 1986 . Pembroke Power Station currently generates enough power to supply 3.5 million homes and businesses . It is a CCGT-type power station that uses natural gas . There are five 400 MW modules , each with a 288 MWe Alstom gas turbine , heat recovery steam generator and steam turbine .
Pembroke ( /ˈpɛmbrʊk/ ; Welsh : Penfro pronounced [ pɛnˈvroː ] ) is a town in Pembrokeshire , Wales . The names of both the town and the county ( of which the county town is Haverfordwest ) have a common origin . Pembroke features a number of historic buildings , town walls and complexes . It is a community and one of the larger towns in the county with a population of 7,552 . Pembroke Castle was the birthplace of Henry Tudor , later to become Henry VII of England .
The Uskmouth power stations ( also known as the Fifoots Point power stations ) refers to a series of two coal-fired power station at the mouth of the River Usk in the south-east of Newport , Wales . The first of the two station , Uskmouth A power station , was built in the 1950s and demolished in 2002 . The steam turbine suffered a catastrophic overspeed event in 1958 killing two workers and throwing parts of the turbine into the adjacent river . The second station , Uskmouth B power station , was built in the 1960s and is currently undergoing a conversion to run on biomass and waste plastic .
Uskmouth ( Welsh : Aberwysg ) is an area to the south of the city of Newport , South Wales .
Shotton Combined Heat and Power Station was a 210 MWe gas-fired CHP power station in Flintshire , Wales . It was located on Weighbridge Road in Deeside , near the A548 in Shotton , Flintshire .
Gwynedd ( English : /ˈɡwɪnɪð/ ; Welsh : [ ˈɡʊɨnɛð ] ) is a county in Wales , sharing borders with Powys , Conwy , Denbighshire , Anglesey over the Menai Strait , and Ceredigion over the River Dyfi . The scenic Llŷn Peninsula and most of Snowdonia National Park are in Gwynedd . Bangor is the home of Bangor University . In the northern part of the county , the other main settlements are Caernarfon , Bethesda , Ffestiniog , Porthmadog and Pwllheli . The largest settlement in the south is Tywyn . As a local government area , it is the second largest in Wales in terms of land area and also one of the most sparsely populated . A majority of the population is Welsh-speaking . Gwynedd also refers to being one of the preserved counties of Wales , covering the two local government areas of Gwynedd and Anglesey . Named after the old Kingdom of Gwynedd , both culturally and historically , Gwynedd can also be used for most of North Wales , such as the area that was policed by the Gwynedd Constabulary . The current area is 2,548 square kilometres ( 984 square miles ) , slightly smaller than Luxembourg , with a population of 121,874 as measured in the 2011 Census .