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Cottam power stations
The Cottam power stations are a pair of power stations, located on the River Trent at Cottam near Retford in Nottinghamshire. The larger of the two is a coal-fired power station, which was commissioned in 1969 by the Central Electricity Generating Board, and has a generating capacity of 2,000 megawatts (MW). It is now owned by EDF Energy.〔(【引用サイトリンク】 title = Power Station Locations and Capacities )〕 The other is Cottam Development Centre, a combined cycle gas turbine plant commissioned in 1999, with a generating capacity of 400 MW. This plant is owned by E.ON UK.
The site is one of a number of power stations located along the Trent valley, with the West Burton power stations located downstream of the station, and Ratcliffe-on-Soar power station located upstream. The decommissioned High Marnham Power Station is located upstream.
==History==
Work commenced on site in April 1964 on the site of the old Mickleholme Farm by the Central Electricity Generating Board Midlands Region from Bournville. The railway to the site reopened in 1967.〔Modern Railways September 1966 p. 506〕 The power station opened in 1969 when owned by the Central Electricity Generating Board. The main contractor for the construction of the 2,000 MW power station was Balfour Beatty with the coal plant being supplied by the New Conveyor Company of Smethwick. The station has steam supplied to its English Electric 500 MW steam turbines by John Thompson boilers. The maximum continuous rating of the boiler is 2,400 lb/sq.in and 568 °C at the superheater. The modernist architects for the buildings on site were the Nottingham practice of Yorke Rosenberg Mardall. The architects applied a red colour ‘Cottam amber’ to the turbine/boiler house to blend with the local brickwork. The station was originally commissioned with 4 x 25 MW gas generators in addition to the steam ones these consisted of 8 Rolls-Royce Avon RA29 Stage 6A (1533) engines (2 per set) these were later decommissioned on the arrival of the new CCGT installation. After electricity privatisation in 1990, ownership was shifted to Powergen. In October 2000, the plant was sold to London Energy, who are part of EDF Energy, for £398 million.〔
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