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Seabank Power Station

Buildings and structures in BristolNatural gas-fired power stations in EnglandPower stations in South West England
Seabank power station
Seabank power station

Seabank Power Station is a 1,140 MW gas-fired power station at Hallen Marsh in Bristol, England. It is situated beside the A403 road and Severn Estuary, just north of Avonmouth and south of Severn Beach, close to the boundary with South Gloucestershire. It is next to the former Terra Nitrogen Severnside fertiliser works, which was closed by Growhow UK in January 2008.The £435 million plant is run as Seabank Power Ltd. The initial partners in the company were BG Group (former part of British Gas) and Scottish and Southern Energy (SSE), however in 2010 BG Group, as part of its reorganisation sold its 50% share of the plant to Cheung Kong Infrastructure Holdings Limited The company is now owned by Cheung Kong Infrastructure Holdings Limited, and SSE. It was built by Siemens Power Generation and initially opened in 2000. It was built in two parts, with Seabank 1 (755 MW) started in January 1996 and completed in March 2000. Seabank 2 (385 MW) was started in January 1999 and was completed in January 2001. The station has a number of step up transformers that allow connection to the National Grid high voltage electricity transmission system via the Seabank 400 kV GIS substation. The power plant provides enough electricity for approximately 1.6 million people.Seabank is a Combined cycle gas turbine (CCGT) type power station that runs on natural gas. The Gas is supplied to the station via the company's own 74-bar 42-inch (1,100 mm) pipeline that runs from a gas compressor station near Abson in Pucklechurch, Bristol through South Gloucestershire to the station. The station can also utilise the local gas connection, that was used to connect the previous Seabank Naptha/Gas Cracking station that occupied the site prior to the power station. The section first built consists of two Siemens V94.3A gas turbines with two heat recovery steam generators (HRSG) and a steam turbine. The next built section consists of one V94.3A gas turbine, an HRSG and a steam turbine. It has a 55% thermal efficiency. The HRSGs were built by Standard Fasel Lentjes (known as SFL and now owned by NEM Energy) and Stork Power Services, both Dutch companies.

Excerpt from the Wikipedia article Seabank Power Station (License: CC BY-SA 3.0, Authors, Images).

Seabank Power Station
Bristol

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Wikipedia: Seabank Power StationContinue reading on Wikipedia

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N 51.54 ° E -2.669 °
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BS11 0YL Bristol
England, United Kingdom
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Seabank power station
Seabank power station
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Hallen, Gloucestershire
Hallen, Gloucestershire

Hallen is a village in South Gloucestershire, England, just north of the Bristol city boundary. It is southwest of Easter Compton, northeast of Avonmouth and northwest of Henbury. The village lies at the edge of the Severn floodplain, sandwiched between the M49 and M5 motorways. It is sometimes claimed that the name "Hallen" is from the Welsh for salt, 'halen', or from an Anglo-Saxon word of the same meaning, however, 16th century spellings (e.g. Hallyende) make it clear that this is not the case; the name is apparently Middle or Early Modern English from 'hall' (hall) or 'hale' (nook, corner, stretch of alluvial land) + 'ende' (end). For administrative purposes Hallen is a ward in the civil parish of Almondsbury, although it is some 5 miles from the village of Almondsbury. Historically it was in the large parish of Henbury, and was transferred to Almondsbury in 1935 when most of Henbury was absorbed into Bristol.The Henbury Loop railway line passes the village to the south. When the line was opened in 1910 the village was served by Hallen Halt station, but the halt closed in 1915. The loop construction made a railway embankment along one side of the village. It was during the excavation that a natural water spring was blocked. This destroyed the watercress fields that used to be a major income for the village. A large underground petroleum storage facility was built into the hillside behind the village during World War II, to provide protection from German bombing. The facility is still in use today. In the 19th and early 20th centuries, Hallen was a popular stop off point for travellers making their way from the South West to the Aust Ferry, which would cross the River Severn to Wales. There were three inns in the village, one with its own brewery. The brewery structure is still visible today attached to the last remaining pub, The King William IV. The village retains some old world charm in places (War Memorial and Oakhill Lane cottages), but has been bisected by the M5 motorway which has left it somewhat desolate.