Spalding Power Station
Encyclopedia
Spalding Power Station is an 860MW gas-fired power station
Thermal power station
A thermal power station is a power plant in which the prime mover is steam driven. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; this...

 one mile north of Spalding
Spalding, Lincolnshire
Spalding is a market town with a population of 30,000 on the River Welland in the South Holland district of Lincolnshire, England. Little London is a hamlet directly south of Spalding on the B1172 road....

 on West Marsh Road close to the River Welland
River Welland
The River Welland is a river in the east of England, some long. It rises in the Hothorpe Hills, at Sibbertoft in Northamptonshire, then flows generally northeast to Market Harborough, Stamford and Spalding, to reach The Wash near Fosdyke. For much of its length it forms the county boundary between...

. The current site provides enough electricity for one million households.

History

The power station, known as the Spalding Energy Facility, is sited on a former sugar beet
Sugar beet
Sugar beet, a cultivated plant of Beta vulgaris, is a plant whose tuber contains a high concentration of sucrose. It is grown commercially for sugar production. Sugar beets and other B...

 site of British Sugar. It was first proposed in October 1996 and given approval by the DTI in November 2000. It is run by the Spalding Energy Company Ltd, a subsidiary of Intergen. Intergen is a Bechtel
Bechtel
Bechtel Corporation is the largest engineering company in the United States, ranking as the 5th-largest privately owned company in the U.S...

-Shell
Royal Dutch Shell
Royal Dutch Shell plc , commonly known as Shell, is a global oil and gas company headquartered in The Hague, Netherlands and with its registered office in London, United Kingdom. It is the fifth-largest company in the world according to a composite measure by Forbes magazine and one of the six...

 joint venture.

The electricity is supplied to Centrica
Centrica
Centrica plc is a multinational utility company, based in the United Kingdom but also with interests in North America. Centrica is the largest supplier of gas to domestic customers in the UK, and one of the largest suppliers of electricity, operating under the trading names "Scottish Gas" in...

 under a 17 year deal agreed on 22 May 2002; Centrica originally had 50% of the equity in the project in December 1999, and they supply the gas. It was the first power station to be project financed under the New Electricity Trading Arrangements
New Electricity Trading Arrangements
New Electricity Trading Arrangements is the name of the system under which electricity is traded in the United Kingdom's electricity market .-Overview:The New Electricity Trading Arrangements came into force on 27th March 2001...

 in England and Wales, and funded by Barclays Capital
Barclays Capital
Barclays Capital is a global British investment bank. It is the investment banking division of Barclays plc which has a balance sheet of over £1.2 trillion . Barclays Capital provides financing and risk management services to large companies, institutions and government clients. It is a primary...

.

It was Intergen's third UK power station after Rocksavage
Rocksavage Power Station
Rocksavage Power Station is a 800MWe gas-fired power station on Cow Hey Lane near Runcorn just off the A557, at the junction of the River Weaver and River Mersey, and near junction 12 of the M56.-History:...

 and Coryton
Coryton Power Station
Coryton Power Station is a 732 MW gas-fired power station named after the nearby Petroplus Coryton Refinery in Thurrock.-History:The site is run by Coryton Energy Ltd. It opened in 2002 and was built by Bechtel, is owned by Intergen, based in Burlington, Essex, and cost...

. Intergen is based in Burlington, Massachusetts
Burlington, Massachusetts
Burlington is a town in Middlesex County, Massachusetts, United States. The population was 24,498 at the 2010 census.- History :It is believed that Burlington takes its name from the English town of Bridlington, however this has never been confirmed....

.

Construction began in March 2002. It opened in October 2004 at a cost of £425 million.

Expansion

A development of the power station will be constructed from 2011, to begin operation in 2014, at a cost of £500 million. The expansion is timed to coincide with withdrawal of older UK power stations. The combined plant will have a capacity of around 1800MW.

Specification

It is powered by natural gas in a combined cycle
Combined cycle
In electric power generation a combined cycle is an assembly of heat engines that work in tandem off the same source of heat, converting it into mechanical energy, which in turn usually drives electrical generators...

 (CCGT) plant. It features two General Electric
General Electric
General Electric Company , or GE, is an American multinational conglomerate corporation incorporated in Schenectady, New York and headquartered in Fairfield, Connecticut, United States...

 9FA+e gas turbine
Gas turbine
A gas turbine, also called a combustion turbine, is a type of internal combustion engine. It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber in-between....

s with two VOGT-NEM heat recovery steam generators and one Hitachi
Hitachi, Ltd.
is a Japanese multinational conglomerate headquartered in Marunouchi 1-chome, Chiyoda, Tokyo, Japan. The company is the parent of the Hitachi Group as part of the larger DKB Group companies...

 steam turbine. VOGT Power International is based in Louisville, Kentucky
Louisville, Kentucky
Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...

, and is owned by Babcock Power Inc. It uses two GE air-cooled turbo generator
Turbo generator
A turbo generator is a turbine directly connected to an electric generator for the generation of electric power. Large steam powered turbo generators provide the majority of the world's electricity and are also used by steam powered turbo-electric ships.Smaller turbo-generators with gas turbines...

s, rated at 296 MVA
Volt-ampere
A volt-ampere is the unit used for the apparent power in an electrical circuit, equal to the product of root-mean-square voltage and RMS current. In direct current circuits, this product is equal to the real power in watts...

 with a terminal voltage of 15.5 kV
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 on each of the gas turbines. On the three-stage steam turbine is a Hitachi hydrogen-cooled turbogenerator
Hydrogen-cooled turbogenerator
A hydrogen-cooled turbo generator is a turbo generator with gaseous hydrogen as a coolant. Hydrogen-cooled turbo generators are designed to provide a low-drag atmosphere and cooling for single-shaft and combined-cycle applications in combination with steam turbines...

, with a rating of 430 MVA and a terminal voltage of 24 kV. Actual power output depends on atmospheric conditions, such as temperature and humidity. 360MW comes from the steam turbine generator, and 265MW from each of the gas turbine generators.

See also

  • Sutton Bridge Power Station
    Sutton Bridge Power Station
    Sutton Bridge Power Station is a 790 MW gas-fired power station in Sutton Bridge in the south-east of Lincolnshire in South Holland, England. It is on Centenary Way to the River Nene.-History:...

  • Peterborough Power Station
    Peterborough Power Station
    Peterborough Power Station is a 360MWe gas-fired power station at Eastern Industry, Fengate in the city of Peterborough, Cambridgeshire in the United Kingdom. It employs around forty people....

    , also supplies electricity for Centrica

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