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
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 2026; Heysham 2: 2028;
Owner(s)	EDF Energy
Operator(s)	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
	; grid reference SD4000459632

Heysham nuclear power station is operated by EDF Energy in Heysham, Lancashire, England. The site is divided into two separately-managed nuclear power stations, Heysham 1 and Heysham 2, 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.

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.

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