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Sizewell nuclear power stations

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69: 1274: 1380: 3318: 4359: 1511: 670: 520:. The line was extended and used for the delivery of construction materials for Sizewell B power station in the 1980s. The line is now only rarely used for transportation of spent fuels from Sizewell B since the completion of decommissioning of Sizewell A in 2006. A new branch line off the Leiston branch has been proposed for rail terminals for the construction of Sizewell C power station to the north of the existing B power station. 1497: 1525: 25: 745: 493: 130: 529:
Suffolk County Council recommended approval of the plans, and that no public inquiry was necessary. They received two objections (from the headmaster of Sizewell Hall girls school who feared pupils would be subject to "annoying remarks" from workmen, and from Ipswich Natural History Society). In January 1960 the Minister of Power gave consent for the project to proceed.
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evidence, a record at the time. The chairman of the inquiry, Sir Frank Layfield, reported in early 1987 that, subject to a satisfactory safety case, there were no substantive reasons why the project should not proceed. The Nuclear Installations Inspectorate accepted the Pre-Construction Safety Case and issued a licence to proceed with construction in August 1987.
1270:£3,000/kW including them. A post-startup evaluation estimated generating cost were about 6p/kWh (2000 prices, which is equivalent to £128/MWh in 2023), excluding first-of-kind costs but using an 8% discount rate for the cost of capital, much higher than the expected cost in 1995 of 3.5p/kWh (2000 prices, equivalent to £74/MWh in 2023). 723:. According to the HM Nuclear Installation Inspectorate's report of the incident, without the chance intervention of the contractor, the pond could have drained before the next scheduled plant inspection. If the exposed irradiated fuel had caught fire, it would have resulted in an airborne off-site release of 1262:. Designed by Westinghouse, construction of Trojan began in 1970 and was completed in 1975. Westinghouse continued to develop the design they had used for the Trojan plant into the SNUPPS design, built first at Callaway, and SNUPPS was adopted as the basis for the design approved by the CEGB in October 1981. 1171:
saturated steam at lower temperature and pressure than the dry superheated steam produced by AGR reactors or fossil-fuel power stations, and the high- and intermediate-pressure stages of the steam turbines have to be designed cope with this Sizewell B can run at half power using one turbo-alternator.
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MW turbo-alternator sets similar to those used at the AGR power stations Hinkley Point B, Heysham 1, Hartlepool and Torness, and at some fossil-fuel power stations elsewhere, but adapted to cope with the wetter steam conditions produced by the PWR steam supply system. PWR steam supply systems produce
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tons per square foot. The biological shields are 100 feet (30 m) high and vary between 10 and 14 feet (3.0 and 4.3 m) thick. The composite steel and reinforced concrete cap above each reactor is 12 feet (3.7 m) thick. Both reactors were housed in a single building to achieve savings in
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In March 1958 East Suffolk County Council selected the Sizewell site from shortlist to be earmarked for a nuclear power station, and in September the Central Electricity Generating Board announced it would apply for consent to build one there. The following February of 1959, the planning committee of
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Before construction commenced, the design of Sizewell B was subjected to a detailed safety review by the NII, and a lengthy public inquiry. The Pre-Construction Safety Case was submitted to the NII in August 1981. The public inquiry was held between 1982 and 1985, and took over 16 million words of
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Hz. Such large turbo-alternator sets were not available in the UK at the time Sizewell B was designed. So that orders could be given to UK manufacturers, and to avoid project risk in dealing with what were at the time newly designed very large turbo-alternator sets, Sizewell B uses two full-speed,
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EDF's strategic target is for 20 year life extension for Sizewell B PWR, beyond the current accounting closure date of 2035. This would mean the plant remaining in operation until 2055. As of 2022, the power station is still planned to close in 2035. However, a government official is cited stating
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On 17 March 2010, Sizewell B was taken offline for an extended period because of high moisture levels in the containment building due to a pressuriser electrical heater fault, requiring difficult repairs. On 2 July 2010, just before 21:00, while still offline, a minor fire broke out on the second
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The pumphouse which supplied the main turbines with 27,000,000 imperial gallons (120,000,000 L; 32,000,000 US gal) of cooling water per hour drew sea water from an intake structure about 1,350 feet (410 m) offshore via twin 10-foot (3.0 m) diameter tunnels. This water was
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The turbine house is a steel-framed, aluminium clad building 380 feet (120 m) long, 160 feet (49 m) wide and 90 feet (27 m) high, with a reinforced concrete basement 26 feet (7.9 m) deep. The foundations are provided by isolated bases and strip footings with a designed maximum
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On 21 October 2015, it was reported that Britain and China had reached Strategic Investment Agreements for three nuclear power plants, including one at Sizewell, though no specific financing plans for Sizewell are agreed. The final investment decision for Sizewell C is only likely to take place
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As with many other PWRs, Sizewell B operates on an 18-month operating cycle, i.e. at or near 100% output continuously for around 18 months, followed by a month's shutdown for maintenance and refuelling. Sizewell B was designed for a commercial life of 40 years (i.e. to around 2035) but similar
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Sizewell B was calculated to be economically viable at a 5% discount rate and was approved financially on that basis. The project cost was revised upwards three times to 135% of the original cost, providing a cost-performance of £2,250/kW (2000 prices) not including first of a kind costs and
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million. During its 40-year operational lifetime, it had produced 110 TWh (400 PJ) of electricity, which would have been sufficient to meet the domestic needs of England and Wales for six months. Unit 1 was commissioned on 21 March 1966, and Unit 2 on 15 September. The station was
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which had dropped more than 1 foot (0.30 m) without activating any of the alarms. It is estimated that up to 40,000 imperial gallons (180,000 L; 48,000 US gal) of radioactive water had leaked from a 15-foot (4.6 m) split in a pipe, with some spilling into the
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On 27 May 2020, EDF Energy announced that it had submitted a development consent order application. However EDF have yet to organise financing, and cannot take on more construction risk in the UK. EDF is looking to the UK government to assist on financing either by offering a
1482:(ONR) for a licence to build and operate Sizewell C. The ONR is responsible for the safe operation of nuclear sites in the UK and for permitting new nuclear site licences – one of the key regulatory requirements for building and operating a new power station. 1129:
but with additional redundancy and diversity in the safety systems, and other modifications such as the addition of a passive Emergency Boration System. The containment design was not based on SNUPPS however, but was designed by NNC (National Nuclear Corporation – bought by
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issued an open letter calling for the Department of Business, Energy and Industrial Strategy to support the project as without nuclear the "action on climate will be more difficult, more expensive, and more likely to fail". It also called for lessons to be drawn from
481:. The Crag deposits predominantly consist of medium dense and dense sands with thin layers of clay and silt and fossiliferous shelly horizons. The Crag strata extend to a depth of 200 feet (61 m) below ground level. In 1972/73, Sizewell A was awarded the 1364:
reported that excessive wear on some stainless steel "thermal sleeves" in the control rod mechanisms had been discovered. The maintenance period was extended to over four months to evaluate the cause and extent of the wear to decide how many to replace.
1395:(EDF) in February 2009, plans for a further twin-unit reactor to be built at Sizewell have looked increasingly likely. Sizewell already has a connection agreement in place for a new nuclear power plant to be built. The government revealed that the 1,600 713:
On 7 January 2007, a contractor working on the decommissioning of the station noticed water leaking on to the floor of the laundry where he was washing his clothes. The water was found to be cooling water from the pond that holds the reactor's spent
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On 2 March 2012, Sizewell B had an unplanned shutdown due to an electrical fault. One and a half weeks later it was restarted at half capacity. As of June 2012, conditions improved and Sizewell B continued under carefully controlled operation.
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reactors, which were natural uranium, carbon dioxide gas cooled, graphite moderated units. These supplied heat to eight boiler units, four associated with each reactor. The steam produced by the boilers was fed to two turbo-generators each rated at
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billion. Defuelling was completed in 2014. Removal of most buildings is expected to take until 2034, followed by a care and maintenance phase from 2034 to 2092. Demolition of reactor buildings and final site clearance is planned for 2088 to 2098.
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floor of the building housing the charcoal adsorber at Sizewell B. Numerous emergency services were called to the scene and the fire was brought under control by 3:30 the following day when the charcoal adsorber was flooded.
3302: 2842: 3233: 1089:(PWR) power station. Its single reactor was built and commissioned between 1987 and 1995, and first synchronised with the national grid on 14 February 1995. The main civil engineering contractor was 3229: 1485:
In March 2022, it was announced that the UK government and EDF would each take a 20% stake in the project, with infrastructure investors and pension funds expected to take up the remaining 60%.
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The foundations for the reactors and associated boilers are provided by a reinforced concrete raft 8 feet (2.4 m) thick, founded on the sand with a designed net bearing pressure of 3.5
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The site is reached by road, with the nearest railhead about one mile inland at Sizewell Halt. Sidings were installed at the railhead primarily to transport irradiated elements to the
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EDF submitted its planning application in May 2020, declaring 25,000 job opportunities and 70% of investment being spent in UK. The plant will largely replicate
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on 14 February 1995. The cost of Sizewell B has been quoted as £2 Billion (1987 prices) with a quarter of that cost being related to civil engineering works.
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On 18 October 2010, the British government announced that Sizewell was one of the eight sites which it considered suitable for future nuclear power stations.
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The site of Sizewell A occupies 245 acres (99 ha) north of Sizewell. It is on a low plateau above flood level. The geological foundation comprises
512:. Nuclear fuel was handled by a crane loading facility at the end of the 5-mile (8.0 km) Leiston/Sizewell branch railway. This is connected to the 2942: 1808: 3801: 1230:
A distinctive white hemisphere envelopes the outer shell of the twin-walled containment building that protects the pressurised water reactor and its
1057: 429: 1349:, which stores spent fuel under water, was expected to reach full capacity in 2015. In April 2016, the building was inaugurated. This will enable 3220: 2676: 1954: 2920: 2897: 4388: 4383: 4363: 3794: 1830: 482: 4298: 4393: 3242: 2622: 33: 1105:"It probably will be extended", while EDF intends to take a final decision on the estimated investment of £500-£700 Million in 2024. 2550: 2648: 1334:
In 2013, a new remote Emergency Response Centre was inaugurated near the power station, following recommendations made after the
1250:(SGHWR), Sizewell B was eventually announced as a PWR power station in 1980. The initial design submissions to the CEGB and the 4011: 3215: 501: 4218: 4145: 4077: 3181: 2843:"Hinkley Point nuclear energy plant approved – but still doubts over Sizewell C as new controls on foreign investment agreed" 2144: 1460: 1442: 1400: 1149:
Hz), steam turbine-alternator sets which use the steam produced from the heat generated in the reactor to produce about 1,200
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MWe, equivalent to 8.7 TWh (31 PJ) in the year of 2005. It was uprated by 1% in 2013 with a thermal power of 3,479
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spokesman said that the fault involved conventional equipment at the plant rather than any part of the nuclear reactor.
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The main construction contract was awarded to British Nuclear Design and Construction Ltd ('BNDC'), a consortium of
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design for any new-build reactors in the UK, this being the design of reactors currently being built in
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design to reuse experience, lower cost and ensure high levels of safety. The proposal was welcomed by
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is responsible for placing contracts for the decommissioning of Sizewell A, at a budgeted cost of £1.2
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for attempting to acquire advanced US nuclear technology and material for diversion to military use.
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On 27 May 2008, Sizewell B had an unplanned shutdown, cutting off its supply to the National Grid. A
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MWe in 1973, to arrest the rate of oxidation of internal reactor-core components. At full load, 70
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Sizewell B was built and commissioned between 1987 and 1995, and first synchronised with the
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is available. In March 2017, the first cask containing spent nuclear fuel was installed.
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Electricity output from Sizewell A power station over the period 1966-84 was as follows.
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returned to the sea through similar tunnels discharging 350 feet (110 m) offshore.
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MW projected units, to be called Sizewell C, would, together with the planned units at
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In 2021, Sizewell B had an extended outage for maintenance and safety related issues.
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as well as the UK's offshore wind programme to ensure a timely procurement schedule.
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Concerns have been expressed regarding one of the shareholders in the consortium,
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Irregularities and Anomalies Relating to the Forged Components of Le Creusot Forge
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reactors, is now in the process of being decommissioned. Sizewell B has a single
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MWe were used in providing works power from the gross electrical output of 490
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MW. In 1967 a second turbo-alternator was commissioned with a rating of 275
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Scotchman, Iain C. (February 2019). "Sizewell-C could generate freight".
1452:. CGN is owned by the Chinese government and has been blacklisted by the 478: 471: 1403:, contribute 13% of UK electricity in the early 2020s. EDF plans to use 1066: 438: 4264: 4252: 3870: 3865: 3711: 1094: 861: 702: 505: 279: 677:
Graphs are unavailable due to technical issues. There is more info on
3682: 2921:"Britain's nuclear industry is falling inexorably into Chinese hands" 2903: 2356: 2335: 2314: 2293: 2272: 2252: 2064:. Nuclear Engineering International. 20 February 2012. Archived from 1404: 1185: 1141:
The Wolf Creek and Callaway plants each have single half speed, 1,800
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Teplinsky, Elina; Leidich, Anne; Hutman, Aaron R. (15 August 2019).
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produced from autumn 2016 until at least 2035 to be stored until a
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The reactors and turbines were both supplied by English Electric.
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One active & one decommissioned nuclear power plant in England
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On 30 June 2020, EDF Energy announced that it had applied to the
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MW turbo-alternator, and a gross generating capability of 327.7
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stations elsewhere have been granted extensions to 60 years.
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The power station was shut down on 31 December 2006. The
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The designed net electrical output of the station was 652
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A view of the Sizewell A & B nuclear power stations
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MWe, though this is dependent on seawater temperature.
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Sizewell B power station and visitor centre | EDF
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Proposed nuclear power stations in the United Kingdom
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million, but due to inflation this figure rose to £65
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The original rating was for a thermal power of 3,444
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MW. The total generating capacity was reduced to 490
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MW, but which operated at a reduced capacity of 250
3062: 3032: 2919: 2896: 2813: 2675: 2603:. Progressive Media International. 23 January 2013 2287:Hirst, Nicholas; Wright, Pearce (2 October 1980). 576:. The power station originally had a single 324.75 2371:Performance and Innovation Unit (February 2002). 1940: 1246:(AGR) based power station, and then in 1974 as a 1113:The 'nuclear island' at Sizewell B is based on a 4375: 2466: 1153:MW of electricity at the US grid frequency of 60 2815:"Hinkley is no pointer to funding for Sizewell" 2731:"EDF confirms £12.5bn offer for British Energy" 2511:. Progressive Media International. 11 June 2010 1701:"Site for Sixth Nuclear Power Station Chosen". 1192:, domes and other components: Le Creusot Forge) 3061:Thomas, Nathalie; Pickard, Jim (2 June 2020). 2667: 2649:"First cask emplaced at Sizewell B fuel store" 2597:"Sizewell builds dry spent nuclear fuel store" 2062:"EDF plans longer life extensions for UK AGRs" 1097:. The architectural design was carried out by 544:, in November 1960. The initial budget was £56 419:Sizewell A | Magnox Socio-economic scheme 4404:Nuclear power stations with proposed reactors 3802: 3264: 3060: 2180: 1430:after the Hinkley Point C build has started. 1032:6,709.390 GWh (24,153.80 TJ) (2021) 3303:Pre-nationalisation electric power companies 2641: 2615: 2563: 2523: 2153: 2054: 1630: 1628: 1626: 1624: 1622: 1620: 1589: 1587: 1585: 1583: 1581: 1579: 644:bearing pressure of 3 tons per square foot. 516:via a south-facing junction to the north of 3054: 2805: 2505:"Sizewell B outage will extend into summer" 2286: 2133:Wet-steam Turbines for Nuclear Power Plants 2130: 1777:"Nuclear Development in the United Kingdom" 3809: 3795: 3271: 3257: 3179: 2917: 2655:. World Nuclear Association. 23 March 2017 2209: 1779:. World Nuclear Association. October 2016. 3040:"Sizewell C submits planning application" 2986:"Sizewell C submits planning application" 2793:"Hinkley Point nuclear agreement reached" 2629:. World Nuclear Association. 5 April 2016 2442: 2440: 2012: 2010: 2008: 2006: 2004: 2002: 2000: 1998: 1996: 1898: 1896: 1869: 1867: 1664: 1617: 1576: 1300:MW gave a net output to the grid of 1,188 660:Sizewell A annual electricity output GWh. 630: 553:officially opened on 7 April 1967 by the 72:Sizewell A & B nuclear power stations 2898:"Spy warning on Chinese nuclear company" 2840: 1378: 1272: 491: 67: 49:of all important aspects of the article. 3180:Kettlewell, Julianna (6 October 2005). 2841:Cornwell, Richard (15 September 2016). 2352:"Design approved for first PWR reactor" 2349: 2227:(Report). Greenpeace France. p. 24 1554:List of nuclear reactors#United Kingdom 1292:MW and gross electrical output of 1,250 1174:The major components were supplied by: 1085:Sizewell B is the UK's only commercial 1058:Related media on Commons 430:Related media on Commons 4376: 4012:United Kingdom Atomic Energy Authority 3849: 2811: 2673: 2437: 2328: 2307: 2245: 1993: 1893: 1864: 1803: 1801: 1750:. London. 20 February 1959. p. 3. 1254:(NII) were based on the design of the 502:United Kingdom Atomic Energy Authority 45:Please consider expanding the lead to 4389:Power stations in the East of England 4188: 3790: 3252: 3182:"In pictures: Living with Sizewell B" 2918:Pagnamenta, Robin (24 January 2019). 2215: 2090:. Environment Agency. 24 January 2020 1978: 1854: 1852: 651: 607:The main plant consisted of two 1,010 3132: 2894: 2812:Leroux, Marcus (16 September 2016). 2186: 1746:"School Objects to A-station Plan". 1308:MW and an electrical output of 1,195 1248:steam-generating heavy water reactor 663: 108:reactors, is planned to be built as 18: 4384:Buildings and structures in Suffolk 3818:Nuclear power in the United Kingdom 2425:from the original on 2 January 2023 2297:. No. 60739. p. 5. col A. 1922:"Defueling completed at Sizewell A" 1798: 1544:Energy policy of the United Kingdom 1539:Nuclear power in the United Kingdom 1341:In January 2014, the building of a 1093:. The power station is operated by 13: 4347:Sustainable Development Commission 3226:International Atomic Energy Agency 3126: 2940: 2477:"Sizewell nuclear plant shut down" 2350:Cookson, Clive (24 October 1981). 2080: 1849: 1833:. Magnox South Ltd. Archived from 1763:Halifax Daily Courier and Guardian 1686:"A-power station site agreement". 1640:Publish Reactor Information System 1599:Publish Reactor Information System 1336:Fukushima Daiichi nuclear disaster 1252:Nuclear Installations Inspectorate 692: 236:Unit 1: January 21, 1966 14: 4420: 4394:Nuclear power stations in England 4336:Nuclear Power and the Environment 3987:Nuclear Decommissioning Authority 3209: 2895:Wood, Vincent (25 October 2018). 2601:Nuclear Engineering International 2575:Nuclear Engineering International 2509:Nuclear Engineering International 2216:Large, John (26 September 2016). 1813:Nuclear Engineering International 1450:China General Nuclear Power Group 699:Nuclear Decommissioning Authority 4358: 4357: 4270:Thermal Oxide Reprocessing Plant 3316: 3228:power station performance data: 3196:"Sizewell B given 10 more years" 2452:Power Reactor Information System 2373:"The Economics of Nuclear Power" 2329:Wright, Pearce (23 April 1981). 2246:Aldous, Tony (30 October 1969). 2112:. Financial Times. 14 March 2022 1904:"Nuclear Power Plants in the UK" 1879:Power Reactor Information System 1831:"Magnox South Sites: Sizewell A" 1523: 1509: 1495: 1375:Sizewell C nuclear power station 1296:MW, which after house load of 62 876:Nuclear power station 743: 738:Sizewell B nuclear power station 668: 286:Nuclear power station 128: 123:Sizewell A nuclear power station 23: 4195: 4160: 3104: 3082: 3004: 2978: 2972:Pillsbury Winthrop Shaw Pittman 2955: 2934: 2911: 2888: 2862: 2785: 2759: 2723: 2709:"New dawn for UK nuclear power" 2589: 2543: 2497: 2405: 2380:PIU Energy Review Working Paper 2343: 2322: 2308:Wright, Pearce (30 July 1977). 2301: 2280: 2260: 2239: 2131:Leyzerovich, Alexander (2005). 2124: 2102: 2032: 1972: 1914: 1823: 1783: 1769: 1720:. 27 February 1959. p. 10. 1705:. 30 September 1958. p. 4. 523: 246:Unit 2: April 9, 1966 37:may be too short to adequately 2418:Institution of Civil Engineers 2088:"Sizewell: nuclear regulation" 1861:(various dates). CEGB, London. 1815:. 2 April 2007. Archived from 1794:. 24 November 1960. p. 1. 1754: 1739: 1724: 1709: 1694: 1679: 1658: 1242:First announced in 1969 as an 485:trophy in recognition of good 47:provide an accessible overview 1: 4007:Office for Nuclear Regulation 3153:10.1080/13619462.2018.1519424 2674:Gosden, Emily (17 May 2021). 2360:. No. 61064. p. 15. 2187:Pick, Malcolm (9 June 2004). 1765:. 27 January 1960. p. 5. 1735:. 22 October 1958. p. 6. 1569: 1480:Office for Nuclear Regulation 1368: 1134:in 2005) in conjunction with 730: 115: 4323:Franco-British Nuclear Forum 3992:Nuclear Industry Association 3829:Energy in the United Kingdom 3140:Contemporary British History 2339:. No. 60909. p. 4. 2318:. No. 60069. p. 2. 2256:. No. 57704. p. 1. 1979:Gould, Mark (11 June 2009). 1733:Suffolk and Essex Free Press 1549:Energy in the United Kingdom 1343:dry spent nuclear fuel store 1195:Core internals: Westinghouse 7: 3982:National Nuclear Laboratory 2941:Ng, Eric (11 August 2016). 1809:"Night falls on Sizewell A" 1703:Birmingham Post and Gazette 1488: 1244:advanced gas-cooled reactor 1108: 1028:Annual net output 846:February 14, 1995 542:Taylor Woodrow Construction 264:December 31, 2006 208:Decommissioning in progress 10: 4425: 4290:(research and development) 3977:Civil Nuclear Constabulary 3216:Magnox Limited, Sizewell A 3092:. EDF Energy. 30 June 2020 1690:. 5 March 1958. p. 6. 1372: 1355:deep geological repository 1237: 555:Lord Lieutenant of Suffolk 4355: 4342:Nuclear power in Scotland 4315: 4297: 4245: 4204: 4179: 4110: 4091: 4062: 4029: 4020: 3969: 3924: 3899: 3856: 3842: 3824: 3755: 3719: 3710: 3690: 3681: 3661: 3640: 3624: 3615: 3595: 3579: 3566: 3546: 3530: 3489: 3480: 3459: 3398: 3389: 3364: 3343: 3334: 3325: 3314: 3290: 3042:. EDF Energy. 27 May 2020 2751:: CS1 maint: unfit URL ( 1859:CEGB Statistical Yearbook 1716:"Approval of Atom Site". 1531:Nuclear technology portal 1454:US Department of Commerce 1087:pressurised water reactor 1063: 1053: 1041: 1036: 1026: 1007: 973: 945: 941: 936: 922: 912: 902: 888: 880: 875: 867: 857: 840: 825: 817: 780: 766: 758: 754: 742: 737: 564: 435: 425: 413: 408: 389: 352: 339:Units decommissioned 334: 330: 325: 311: 301: 290: 285: 275: 260: 227: 212: 204: 167: 153: 143: 139: 127: 122: 102:pressurised water reactor 4002:Nuclear Liabilities Fund 3308:Renewable Energy Systems 3133:Wall, Christine (2019). 2948:South China Morning Post 2711:. WNN. 24 September 2008 2556:East Anglian Daily Times 2166:East Anglian Daily Times 1117:'4-loop' plant known as 964:Make and model 592:MW in 1969, and then 420 401:Unit 2: 71.3% (lifetime) 398:Unit 1: 74.7% (lifetime) 3221:EDF Energy – Sizewell B 1790:"Big Nuclear Project". 1277:Sizewell B reactor dome 1225:Yorke Rosenberg Mardall 1099:Yorke Rosenberg Mardall 975:Nameplate capacity 829:July 18, 1988 826:Construction began 457: 354:Nameplate capacity 216:April 1, 1961 213:Construction began 96:. Sizewell A, with two 3907:NNB Generation Company 3886:Sheffield Forgemasters 3280:Electricity generation 2773:. BBC. 18 October 2010 1384: 1278: 950:Units operational 631:Building specification 497: 464:Norwich Crag Formation 261:Decommission date 82:nuclear power stations 73: 4399:Électricité de France 3937:British Nuclear Group 3912:Horizon Nuclear Power 3861:Great British Nuclear 3169:"Gallery: Sizewell B" 1819:on 27 September 2007. 1393:Électricité de France 1382: 1276: 937:Power generation 923:Thermal capacity 903:Reactor supplier 495: 326:Power generation 312:Thermal capacity 78:Sizewell nuclear site 71: 2454:. IAEA. 22 June 2015 1881:. IAEA. 22 June 2015 1473:regulated asset base 1345:began. The existing 1009:Capacity factor 842:Commission date 538:Babcock & Wilcox 391:Capacity factor 229:Commission date 3900:New build operators 3298:Eastern Electricity 2927:The Daily Telegraph 2874:Energy For Humanity 2393:on 29 December 2008 2139:. pp. 23, 24. 1837:on 11 December 2008 1731:"'unwanted baby'". 1438:Energy for Humanity 1417:Flamanville, France 1132:Amec Foster Wheeler 1037:External links 913:Cooling source 798: /  409:External links 302:Cooling source 185: /  4284:(fuel manufacture) 4258:uranium enrichment 2968:Pillsbury Insights 2801:. 21 October 2015. 2653:World Nuclear News 2627:World Nuclear News 2068:on 13 October 2013 2040:"Sizewell Stories" 1926:World Nuclear News 1413:Olkiluoto, Finland 1387:Since the sale of 1385: 1351:spent nuclear fuel 1279: 802:52.215°N 1.61972°E 652:Electricity output 559:Earl of Stradbroke 518:Saxmundham station 498: 483:Christopher Hinton 468:Red Crag Formation 189:52.215°N 1.61972°E 74: 4371: 4370: 4246:Non-reactor sites 4241: 4240: 4237: 4236: 3997:Nuclear Institute 3965: 3964: 3920: 3919: 3784: 3783: 3780: 3779: 3776: 3775: 3768:East Anglia Array 3706: 3705: 3677: 3676: 3611: 3610: 3562: 3561: 3476: 3475: 3385: 3384: 2146:978-1-59370-032-4 1433:In May 2020, the 1190:Japan Steel Works 1083: 1082: 986:(original design) 889:Reactor type 701:(NDA) subsidiary 690: 689: 514:East Suffolk line 455: 454: 291:Reactor type 64: 63: 4416: 4361: 4360: 4186: 4185: 4027: 4026: 3952:Scottish Nuclear 3947:Nuclear Electric 3854: 3853: 3847: 3846: 3811: 3804: 3797: 3788: 3787: 3747:Sheringham Shoal 3717: 3716: 3688: 3687: 3622: 3621: 3577: 3576: 3487: 3486: 3396: 3395: 3341: 3340: 3332: 3331: 3320: 3273: 3266: 3259: 3250: 3249: 3205: 3191: 3176: 3164: 3120: 3119: 3118:. 27 March 2022. 3108: 3102: 3101: 3099: 3097: 3086: 3080: 3079: 3077: 3075: 3066: 3058: 3052: 3051: 3049: 3047: 3036: 3030: 3029: 3027: 3025: 3008: 3002: 3001: 2999: 2997: 2982: 2976: 2975: 2959: 2953: 2952: 2938: 2932: 2931: 2923: 2915: 2909: 2908: 2900: 2892: 2886: 2885: 2883: 2881: 2866: 2860: 2859: 2857: 2855: 2838: 2832: 2831: 2829: 2827: 2817: 2809: 2803: 2802: 2789: 2783: 2782: 2780: 2778: 2763: 2757: 2756: 2750: 2742: 2740: 2738: 2727: 2721: 2720: 2718: 2716: 2705: 2694: 2693: 2691: 2689: 2679: 2671: 2665: 2664: 2662: 2660: 2645: 2639: 2638: 2636: 2634: 2619: 2613: 2612: 2610: 2608: 2593: 2587: 2586: 2584: 2582: 2567: 2561: 2560: 2559:. 13 March 2012. 2547: 2541: 2540: 2527: 2521: 2520: 2518: 2516: 2501: 2495: 2494: 2492: 2490: 2473: 2464: 2463: 2461: 2459: 2444: 2435: 2434: 2432: 2430: 2409: 2403: 2402: 2400: 2398: 2392: 2386:. Archived from 2377: 2368: 2362: 2361: 2347: 2341: 2340: 2326: 2320: 2319: 2305: 2299: 2298: 2284: 2278: 2277: 2264: 2258: 2257: 2243: 2237: 2236: 2234: 2232: 2225:Large Associates 2222: 2213: 2207: 2206: 2204: 2202: 2193: 2184: 2178: 2177: 2175: 2173: 2157: 2151: 2150: 2128: 2122: 2121: 2119: 2117: 2106: 2100: 2099: 2097: 2095: 2084: 2078: 2077: 2075: 2073: 2058: 2052: 2051: 2049: 2047: 2042:. Building. 2006 2036: 2030: 2029: 2027: 2025: 2020:. 29 August 2022 2014: 1991: 1990: 1976: 1970: 1969: 1967: 1965: 1960:on 25 March 2012 1959: 1952: 1944: 1938: 1937: 1935: 1933: 1928:. 29 August 2014 1918: 1912: 1911: 1910:on 19 July 2009. 1906:. Archived from 1900: 1891: 1890: 1888: 1886: 1871: 1862: 1856: 1847: 1846: 1844: 1842: 1827: 1821: 1820: 1805: 1796: 1795: 1787: 1781: 1780: 1773: 1767: 1766: 1758: 1752: 1751: 1743: 1737: 1736: 1728: 1722: 1721: 1713: 1707: 1706: 1698: 1692: 1691: 1683: 1677: 1676: 1662: 1656: 1655: 1653: 1651: 1646:. 29 August 2022 1632: 1615: 1614: 1612: 1610: 1605:. 29 August 2022 1591: 1533: 1528: 1527: 1526: 1519: 1514: 1513: 1505: 1500: 1499: 1498: 1436: 1398: 1311: 1307: 1303: 1299: 1295: 1291: 1260:Portland, Oregon 1232:steam generators 1184:Reactor vessel: 1178:Reactor system: 1169: 1166:Hz), nominal 660 1165: 1161: 1156: 1152: 1148: 1144: 1079: 1067:edit on Wikidata 1049: 1016:82.9% (Lifetime) 853: 851: 836: 834: 813: 812: 810: 809: 808: 803: 799: 796: 795: 794: 791: 747: 735: 734: 708: 672: 671: 664: 640:building costs. 638: 623: 619: 610: 603: 599: 595: 591: 587: 583: 579: 572: 551: 547: 534:English Electric 451: 439:edit on Wikidata 421: 271: 269: 253: 251: 243: 241: 223: 221: 200: 199: 197: 196: 195: 190: 186: 183: 182: 181: 178: 132: 120: 119: 80:consists of two 59: 56: 50: 27: 19: 4424: 4423: 4419: 4418: 4417: 4415: 4414: 4413: 4374: 4373: 4372: 4367: 4351: 4329:Nuclear or Not? 4311: 4293: 4233: 4219:Hinkley Point C 4200: 4175: 4146:Hinkley Point A 4106: 4087: 4078:Hinkley Point B 4058: 4016: 3961: 3942:Magnox Electric 3916: 3895: 3838: 3820: 3815: 3785: 3772: 3751: 3732:Greater Gabbard 3702: 3673: 3657: 3636: 3607: 3591: 3558: 3542: 3526: 3472: 3455: 3381: 3360: 3321: 3312: 3286: 3284:East of England 3277: 3212: 3194: 3167: 3129: 3127:Further reading 3124: 3123: 3110: 3109: 3105: 3095: 3093: 3088: 3087: 3083: 3073: 3071: 3069:Financial Times 3059: 3055: 3045: 3043: 3038: 3037: 3033: 3023: 3021: 3017:Unite the Union 3010: 3009: 3005: 2995: 2993: 2984: 2983: 2979: 2960: 2956: 2939: 2935: 2916: 2912: 2893: 2889: 2879: 2877: 2868: 2867: 2863: 2853: 2851: 2839: 2835: 2825: 2823: 2810: 2806: 2791: 2790: 2786: 2776: 2774: 2765: 2764: 2760: 2744: 2743: 2736: 2734: 2729: 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51: 44: 32:This article's 28: 17: 12: 11: 5: 4422: 4412: 4411: 4406: 4401: 4396: 4391: 4386: 4369: 4368: 4356: 4353: 4352: 4350: 4349: 4344: 4339: 4332: 4325: 4319: 4317: 4313: 4312: 4310: 4309: 4303: 4301: 4295: 4294: 4292: 4291: 4285: 4279: 4278: 4277: 4275:Windscale fire 4272: 4262: 4261: 4260: 4249: 4247: 4243: 4242: 4239: 4238: 4235: 4234: 4232: 4231: 4226: 4221: 4216: 4210: 4208: 4202: 4201: 4199: 4198: 4192: 4190: 4183: 4177: 4176: 4174: 4173: 4168: 4163: 4158: 4153: 4148: 4143: 4138: 4133: 4128: 4123: 4117: 4115: 4108: 4107: 4105: 4104: 4098: 4096: 4089: 4088: 4086: 4085: 4080: 4075: 4069: 4067: 4060: 4059: 4057: 4056: 4051: 4046: 4041: 4035: 4033: 4024: 4018: 4017: 4015: 4014: 4009: 4004: 3999: 3994: 3989: 3984: 3979: 3973: 3971: 3967: 3966: 3963: 3962: 3960: 3959: 3954: 3949: 3944: 3939: 3934: 3932:British Energy 3928: 3926: 3922: 3921: 3918: 3917: 3915: 3914: 3909: 3903: 3901: 3897: 3896: 3894: 3893: 3888: 3883: 3881:Sellafield Ltd 3878: 3873: 3868: 3863: 3857: 3851: 3844: 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3327:Power stations 3323: 3322: 3315: 3313: 3311: 3310: 3305: 3300: 3294: 3292: 3288: 3287: 3276: 3275: 3268: 3261: 3253: 3247: 3246: 3240: 3223: 3218: 3211: 3210:External links 3208: 3207: 3206: 3192: 3177: 3165: 3147:(2): 246–273. 3128: 3125: 3122: 3121: 3103: 3081: 3053: 3031: 3003: 2977: 2954: 2933: 2910: 2887: 2861: 2833: 2804: 2784: 2758: 2722: 2695: 2666: 2640: 2614: 2588: 2562: 2542: 2539:. 3 July 2010. 2522: 2496: 2465: 2436: 2404: 2384:Cabinet Office 2363: 2342: 2321: 2300: 2279: 2259: 2238: 2208: 2179: 2152: 2145: 2123: 2101: 2079: 2053: 2031: 1992: 1971: 1939: 1913: 1892: 1863: 1848: 1822: 1797: 1792:Liverpool Echo 1782: 1768: 1753: 1748:News Chronicle 1738: 1723: 1708: 1693: 1678: 1657: 1636:"Sizewell A-2" 1616: 1595:"Sizewell A-1" 1574: 1573: 1571: 1568: 1567: 1566: 1561: 1556: 1551: 1546: 1541: 1535: 1534: 1520: 1506: 1503:England portal 1490: 1487: 1421:Taishan, China 1389:British Energy 1373:Main article: 1370: 1367: 1321:British Energy 1239: 1236: 1228: 1227: 1221: 1214: 1208: 1202: 1200:Doosan Babcock 1196: 1193: 1182: 1110: 1107: 1081: 1080: 1073:grid reference 1064: 1061: 1060: 1055: 1051: 1050: 1043: 1039: 1038: 1034: 1033: 1030: 1024: 1023: 1021: 1020: 1017: 1013: 1011: 1005: 1004: 1002: 1001: 997: 994: 990: 987: 983: 979: 977: 971: 970: 965: 961: 960: 956: 951: 947: 946: 943: 942: 939: 938: 934: 933: 929: 924: 920: 919: 914: 910: 909: 904: 900: 899: 890: 886: 885: 882: 878: 877: 873: 872: 869: 865: 864: 859: 855: 854: 844: 838: 837: 827: 823: 822: 819: 815: 814: 782: 778: 777: 768: 764: 763: 762:United Kingdom 760: 756: 755: 752: 751: 748: 740: 739: 732: 729: 694: 691: 688: 687: 676: 674: 667: 653: 650: 632: 629: 624:MW from 1969. 566: 563: 525: 522: 459: 456: 453: 452: 445:grid reference 436: 433: 432: 427: 423: 422: 415: 411: 410: 406: 405: 403: 402: 399: 395: 393: 387: 386: 384: 383: 379: 376: 372: 369: 364: 358: 356: 350: 349: 345: 340: 336: 335: 332: 331: 328: 327: 323: 322: 318: 313: 309: 308: 303: 299: 298: 292: 288: 287: 283: 282: 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Index


lead section
summarize
provide an accessible overview

nuclear power stations
Sizewell
Suffolk
England
Magnox
pressurised water reactor
EPR
Sizewell C

United Kingdom
Suffolk
East of England
52°12′54″N 1°37′11″E / 52.215°N 1.61972°E / 52.215; 1.61972
Commission date
Magnox
GCR
North Sea
MWt
MWe
Nameplate capacity
MWe
Capacity factor
Sizewell A | Magnox Socio-economic scheme
Related media on Commons
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