Heysham nuclear power station

Heysham nuclear power station
Heysham nuclear power station
	Heysham 1 & 2
Country	England
Location	Heysham, Lancashire
Coordinates	54°1′44″N 2°54′58″W / 54.02889°N 2.91611°W
Status	Operational
Construction began	Unit A-1: 1 December 1970; Unit A-2: 1 December 1970; Unit B-1: 1 August 1980; Unit B-2: 1 August 1980;
Commission date	Unit A-1: 9 July 1983; Unit A-2: 11 October 1984; Unit B-1: 12 July 1988; Unit B-2: 11 November 1988;
Decommission date	Heysham 1: March 2027; Heysham 2: March 2030; (planned)
Owner	EDF Energy
Operator	EDF Energy
Nuclear power station
Reactors	4 (Units A-1 and A-2 in Heysham 1, Units B-1 and B-2 in Heysham 2)
Reactor type	GCR - AGR
Thermal power station
Primary fuel	Uranium dioxide
Cooling source	Carbon dioxide
Thermal capacity	2 × 1500 MWt (Heysham 1); 2 × 1550 MWt (Heysham 2);
Power generation
Units operational	1 × 485 MWe (Unit A-1 in Heysham 1); 1 × 575 MWe (Unit A-2 in Heysham 1) ; 2 × 620 MWe (Heysham 2);
Nameplate capacity	2,452 MWe (Total)
Capacity factor	Lifetime: (As of the end of 2021); Unit A-1: 67.2%; Unit A-2: 66.3%; Unit B-1: 78.1%; Unit B-2: 77.4%;
Annual net output	2021:; 5,760.93 GWh (20,739.3 TJ) (Heysham 1); 5,787.26 GWh (20,834.1 TJ) (Heysham 2); 11,548.19 GWh (41,573.5 TJ) (Total);
External links
Website	Heysham 1 nuclear power station and visitor centre \| EDF; Heysham 2 nuclear power station and visitor centre \| EDF;
Commons	Related media on Commons
	[edit on Wikidata]; grid reference SD4000459632

The Heysham nuclear power stations are operated by EDF Energy in Heysham, Lancashire, England. On the site two separate nuclear power stations, Heysham 1 and Heysham 2 operate independently, only with joint entry protocol, both with two reactors of the advanced gas-cooled reactor (AGR) type.

In 2010, the British government announced that Heysham was one of the eight sites it considered suitable for future nuclear power stations.^[6]

On 1 August 2016, Heysham 2's Unit 8 broke the world record for longest continuous operation of a nuclear power reactor 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 had generated 13.5 TWh of electricity so far during this continuous operation, taking its lifetime generation to 115.46 TWh.^[7]

In December 2024, EDF, the owner and operator of the plant declared a life extension of 1 year for Heysham 1 and of 2 years for Heysham 2. They will now operate until 2027 and 2030 respectively.

^ ^a ^b ^c ^d ^e ^f "HEYSHAM A-1". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.
^ ^a ^b ^c ^d ^e ^f ^g "HEYSHAM A-2". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.
^ ^a ^b ^c ^d ^e ^f "HEYSHAM B-1". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.
^ ^a ^b ^c ^d ^e "HEYSHAM B-2". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.
^ ^a ^b Cite error: The named reference 24ext was invoked but never defined (see the help page).
^ "Nuclear power: Eight sites identified for future plants". BBC News. BBC. 18 October 2010. Retrieved 18 October 2010.
^ "British reactor takes record for longest continuous operation". World Nuclear News. Retrieved 10 October 2024.

[A1-1] ^ ^a ^b ^c ^d ^e ^f "HEYSHAM A-1". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.

[A2-2] ^ ^a ^b ^c ^d ^e ^f ^g "HEYSHAM A-2". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.

[B1-3] ^ ^a ^b ^c ^d ^e ^f "HEYSHAM B-1". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.

[B2-4] "HEYSHAM B-2". Public Reactor Information System. IAEA. 29 August 2022. Retrieved 30 August 2022.

[24ext-5] Cite error: The named reference 24ext was invoked but never defined (see the help page).

[6] "Nuclear power: Eight sites identified for future plants". BBC News. BBC. 18 October 2010. Retrieved 18 October 2010.

[7] "British reactor takes record for longest continuous operation". World Nuclear News. Retrieved 10 October 2024.

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Heysham nuclear power station

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