Sizewell nuclear power plant

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Sizewell nuclear power plant is an operating nuclear power plant in East Suffolk, Suffolk, England, United Kingdom.

Project Details

Table 1: Unit-level project details for Sizewell nuclear power plant

Unit name Status Commissioning year Retirement year Nameplate capacity Reactor type Model Owner Operator
A1 Retired[1] 1966[1] 2006[1] 245 MW[1] Gas-cooled reactor[1] MAGNOX[1] Nuclear Decommissioning Authority (United Kingdom) [100%][1] Magnox[1]
A2 Retired[2] 1966[2] 2006[2] 245 MW[2] Gas-cooled reactor[2] MAGNOX[2] Nuclear Decommissioning Authority (United Kingdom) [100%][2] Magnox[2]
B Operating[3] 1995[3] – 1250 MW[3] Pressurized water reactor[3] SNUPPS[3] EDF Energy Ltd [100%][3] EDF Energy[3]
C1 Pre-construction[4][5] – – 1600 MW[6] Pressurized heavy water reactor[7] EPR[8] Government of United Kingdom [83%]; EDF Energy Ltd [16%][9][10] –
C2 Pre-construction[4][5] – – 1600 MW[6] Pressurized heavy water reactor[7] EPR[8] Government of United Kingdom [83%]; EDF Energy Ltd [16%][9][9] –

Table 2: Additional unit-level timeline details for Sizewell nuclear power plant

Unit name Construction start First criticality (more info) First grid connection Commercial operation Retirement date
A1 April 1, 1961[1] June 1, 1965[1] January 21, 1966[1] March 25, 1966[1] December 31, 2006[1]
A2 April 1, 1961[2] December 1, 1965[2] April 9, 1966[2] September 15, 1966[2] December 31, 2006[2]
B July 18, 1988[3] January 31, 1995[3] February 14, 1995[3] September 22, 1995[3] –

Table 3: Additional unit-level capacity details for Sizewell nuclear power plant

(Read more about nuclear capacity definitions.)

Unit name Reference net capacity Design net capacity Thermal capacity
A1 210 MW[1] 290 MW[1] 1010 MWt[1]
A2 210 MW[2] 290 MW[2] 1010 MWt[2]
B 1198 MW[3] 1188 MW[3] 3425 MWt[3]

Location

Table 4: Unit-level location details for Sizewell nuclear power plant

Unit name Location Coordinates (WGS 84)
A1 East Suffolk, Suffolk, England, United Kingdom[11] 52.2123, 1.6195 (exact)
A2 East Suffolk, Suffolk, England, United Kingdom[11] 52.2123, 1.6195 (exact)
B East Suffolk, Suffolk, England, United Kingdom[12] 52.2145, 1.6206 (exact)
C1 East Suffolk, Suffolk, England, United Kingdom[13] 52.2199, 1.6203 (exact)
C2 East Suffolk, Suffolk, England, United Kingdom[13] 52.2199, 1.6203 (exact)

The map below shows the exact location of the nuclear power plant:

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Articles and Resources

Additional data

To access additional data, including an interactive map of global nuclear power plants, a downloadable dataset, and summary data, please visit the Global Nuclear Power Tracker on the Global Energy Monitor website.

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 https://web.archive.org/web/20221126222337/https://pris.iaea.org/PRIS/CountryStatistics/ReactorDetails.aspx?current=235. Archived from the original on 2022-11-26. {{cite web}}: Missing or empty |title= (help)
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 https://web.archive.org/web/20221126222501/https://pris.iaea.org/PRIS/CountryStatistics/ReactorDetails.aspx?current=236. Archived from the original on 2022-11-26. {{cite web}}: Missing or empty |title= (help)
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 https://web.archive.org/web/20221126222426/https://pris.iaea.org/PRIS/CountryStatistics/ReactorDetails.aspx?current=263. Archived from the original on 2022-11-26. {{cite web}}: Missing or empty |title= (help)
  4. ↑ 4.0 4.1 "The Sizewell C Project development consent decision announced". GOV.UK. Archived from the original on 2022-10-03. Retrieved 2024-05-17.
  5. ↑ 5.0 5.1 "Sizewell C nuclear power station: Government to take 20% stake". 2022-03-27. Archived from the original on 2022-10-21. Retrieved 2024-05-17.
  6. ↑ 6.0 6.1 "Sizewell C: Proposals for a new nuclear power station". Sizewell C. Archived from the original on 2024-05-22. Retrieved 2024-05-17.
  7. ↑ 7.0 7.1 https://web.archive.org/web/20220810101132/https://en.wikipedia.org/wiki/EPR_(nuclear_reactor). Archived from the original on 2022-08-10. {{cite web}}: Missing or empty |title= (help)
  8. ↑ 8.0 8.1 "Nuclear Power in the United Kingdom - World Nuclear Association". world-nuclear.org. Archived from the original on 2024-05-22. Retrieved 2024-05-17.
  9. ↑ 9.0 9.1 9.2 https://www.reuters.com/business/energy/britains-centrica-set-take-15-stake-sizewell-c-nuclear-project-ft-reports-2025-06-27/. {{cite web}}: Missing or empty |title= (help)
  10. ↑ https://web.archive.org/web/20230604115743/https://www.reuters.com/business/energy/uk-take-50-stake-sizewell-c-nuclear-project-2022-11-29/. Archived from the original on 2023-06-04. {{cite web}}: Missing or empty |title= (help)
  11. ↑ 11.0 11.1 https://www.openstreetmap.org/way/54967828. {{cite web}}: Missing or empty |title= (help)
  12. ↑ https://web.archive.org/web/20240125091319/https://datasets.wri.org/dataset/globalpowerplantdatabase. Archived from the original on 2024-01-25. {{cite web}}: Missing or empty |title= (help)
  13. ↑ 13.0 13.1 https://web.archive.org/web/20221121155438/https://www.bbc.com/news/uk-england-suffolk-62035444. Archived from the original on 2022-11-21. {{cite web}}: Missing or empty |title= (help)