About Heysham 1

Heysham 1 is a nuclear power station on the north west coast of England near Lancaster. Heysham is the only site in the UK to have two operating nuclear power stations. 

  • Station Director: Martin Cheetham
  • Reactor type: 2 Advanced Gas-cooled Reactors
  • Total supply to the national grid: 1155 MW
  • Coolant: Carbon dioxide gas (CO2)
  • Start of construction: 1970
  • Start of generation: 1983
  • Estimated end of generation: March 2024
  • People: Approximately 530 full time EDF employees plus over 200 full time contract partners

Power Stations - Heysham 1 and 2

Heysham 1 and Heysham 2 are nuclear power stations on the north west coast of England near Lancaster. Heysham is the only site in the UK to have two operating nuclear power stations. 

Daily plant status

Find out which reactors at our eight nuclear power stations are in service and what they are generating.

This information is updated on weekdays.

Latest news and community updates

Format: 17/01/2021
Format: 17/01/2021
Heysham 1 and 2 power stations
Monday, June 1, 2020

Heysham's 60,000 new workers

The power stations have joined forces with the Bee Centre, based in Preston, to boost the pollinator population in north Lancashire.
Heysham 2 power station
Thursday, April 23, 2020

Heysham 2 powers back after statutory outage

Amid the coronavirus crisis, staff at Heysham 2 power station are playing their part in powering the UK and keeping the country’s vital services operating after reactor 8 returned to service following its planned maintenance shutdown.


Group visting EDF Energy

Visit us

Drop into our visitor centre or book a station tour to see for yourself how we generate electricity in a nuclear power station. 

Our visitor centre has an interactive exhibition where you can find out more about nuclear power generation. We also offer pre-booked tours of the power station and it's all free of charge. 



EDF Energy hold regular meetings (Local Community Liaison Council or LCLC) with local people, the media, council and emergency services representatives and local politicians to maintain regular communications about the nuclear site. Members of the public are invited to observe the meeting and questions will be taken at the end of session. 


Picture of Heysham power station

Heysham 2

EDF also operates another nuclear power station in Heysham. Find out more about Heysham 2.

Safety and reporting

Safety and reporting

EDF is one of the UK’s largest energy companies and its largest producer of low-carbon electricity.

Because nuclear safety is our overriding priority, we have produced a summary of our nuclear safety and waste policies and management systems.

Contact us

  • Address:
    Heysham 1 power station
    LA3 2XH
  • Reception:
    +44 (0)1524 853131
  • Media and community requests:
    Martyn Butlin
    +44 (0)1524 863565

Our contribution across the North West

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