Heysham nuclear power station
| Heysham nuclear power station | |
|---|---|
Heysham 1 & 2
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 Location of Heysham nuclear power station in England
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| Country | England |
| Location | Heysham, Lancashire |
| Coordinates | 54°1′44″N 2°54′58″W / 54.02889°N 2.91611°WCoordinates: 54°1′44″N 2°54′58″W / 54.02889°N 2.91611°W |
| Status | Operational |
| Commission date | 1989 |
| Operator(s) | EDF Energy |
| Nuclear power station | |
| Reactor type | AGR |
| Thermal power station | |
| Primary fuel | Nuclear |
| Power generation | |
| Nameplate capacity | (1150+1250) MW |
| grid reference SD4000459632 | |
Heysham Power Station is a nuclear power station located in Heysham, Lancashire, England, operated by EDF Energy. The site is divided into two separately-managed stations, Heysham 1 and Heysham 2, both with two Reactors of the advanced gas-cooled reactor (AGR) type.
On 18 October 2010 the British government announced that Heysham was one of the eight sites it considered suitable for future nuclear power stations.
On 1 August 2016, Heysham 2's Unit 8 broke the world record for longest continuous operation of a nuclear generator without a shutdown. This record-breaking run exceeds the previous record of 894 days set by Pickering Nuclear Generating Station's Unit 7 (Lake Ontario, Canada) in 1994. The reactor has generated 13.5 TWh of electricity so far during this continuous operation, taking its lifetime generation to 115.46 TWh.
Construction of Heysham 1, which was undertaken by British Nuclear Design & Construction (BNDC), a consortium backed by English Electric, Babcock & Wilcox and Taylor Woodrow Construction, began in 1970, with the first reactor commencing operations in 1983 and the second reactor following in 1984. However, initial production levels were low, and full commercial operation was only declared in 1989. It is likely to remain in operation until 2024. Its generating capacity is 1150 MWe. The reactors were supplied by National Nuclear Corporation and the turbines by GEC.
Heysham 1 shares its reactor design with Hartlepool nuclear power station, which introduced the replaceable pod boiler design. The CEGB specified a compact design for the Heysham 1 and Hartlepool power station reactor islands in comparison to the design of the two preceding stations at Hinkley Point B and Hunterston B in order to reduce the capital cost, but this caused expensive construction delays because of restricted access. The Heysham 2 reactor island occupies a much larger footprint than Heysham 1 for a similar design output of power.
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