Sizewell C – Wrong Project, Wrong Time, Wrong Place.

Stop Sizewell C statement on Sizewell C’s Final Investment Decision, 22 July 2025.

“This much-delayed Final Investment Decision has only crawled over the line thanks to guarantees that the public purse, not private investors, will carry the can for the inevitable cost overruns. Even so, UK households will soon be hit with a new Sizewell C construction tax on their energy bills. It is astounding that it is only now, as contracts are being signed, that the government has confessed that Sizewell C’s cost has almost doubled to an eye watering £38 billion – a figure that will only go up. Given that Ministers claimed not to recognise the cost was close to £40 billion is there any wonder there is so little trust in this project?”

WHAT YOU CAN DO…

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Stop Sizewell C opposes EDF's proposals for twin nuclear reactors at Sizewell in Suffolk. Contact us via info@stopsizewellc.org (as DMs are sometimes hidden)

StopSizewellC
stopsizewellc Stop Sizewell C @stopsizewellc ·
20 May

"We’re paying for #SizewellC already, years before its even built!" [The NAO found that] benefits are not expected to outweigh consumer costs until after 2060 and remain highly uncertain."
#StopSizewellC

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stopsizewellc Stop Sizewell C @stopsizewellc ·
20 May

"'big assumptions' & 'significant uncertainty' of DESNZ claimed benefits could easily turn #SizewellC into a financial disaster, with its investors - thanks to RAB - being the only ones who can't lose. DESNZ must provide transparency of cost and schedule"

Reply on Twitter 2057050071946973649 Retweet on Twitter 2057050071946973649 Like on Twitter 2057050071946973649 Twitter 2057050071946973649
stopsizewellc Stop Sizewell C @stopsizewellc ·
20 May

"Stop Sizewell C said the risks surrounding the project “could easily turn #SizewellC into a financial disaster” while the funding model meant its investors were “the only ones who can’t lose”.
#StopSizewellC

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stopsizewellc Stop Sizewell C @stopsizewellc ·
15 May

"rigorous public consultations are promised [about "semi-urban #nuclear power stations], but the Prime Minister’s inflammatory rhetoric directed at those who express concern about new nuclear plants in no way builds public confidence"
#StopSizewellC

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Stop Sizewell C
Stop Sizewell C1 day ago
"We’re paying for #SizewellC already, years before its even built! [The NAO found that] benefits are not expected to outweigh consumer costs until after 2060 and remain highly uncertain."
#StopSizewellC
Stop Sizewell C
We're paying for Sizewell C already, years before its even built! - Energy Live News
National Audit Office says we are already paying upfront and won't break even on it till 2060
2125
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Stop Sizewell C
Stop Sizewell C1 day ago
Stop Sizewell C said: "The NAO's report confirms what we already suspected - that 'big assumptions' and the 'significant uncertainty' of factors underpinning DESNZ's claimed benefits could easily turn Sizewell C into a financial disaster, with its investors - thanks to [the regulated asset base] - being the only ones who can't lose. We agree with the NAO that DESNZ must provide transparency of forecast cost and schedule for Sizewell C."
#StopSizewellC
Stop Sizewell C
Sizewell C could add £19 to electric bills, says watchdog
Construction on the project is expected to be completed by summer 2039.
2246
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Stop Sizewell C
Stop Sizewell C2 days ago
"Stop Sizewell C said the risks surrounding the project “could easily turn #SizewellC into a financial disaster” while the funding model meant its investors were “the only ones who can’t lose”.
#StopSizewellC
Stop Sizewell C
Spending watchdog warns £38bn cost of Sizewell C nuclear plant is ‘risky’
National Audit Office says potential benefits are ‘considerable but uncertain’ while risks are ‘immediate and substantial’
2312
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Stop Sizewell C
Stop Sizewell C6 days ago
"rigorous public consultations are promised [about "semi-urban #nuclear power stations], but the Prime Minister’s inflammatory rhetoric directed at those who express concern about new nuclear plants in no way builds public confidence"
#StopSizewellC
https://www.thecanary.co/uk/analysis/2026/05/14/nuclear-sector-more-dangerous/
301
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Stop Sizewell C
Stop Sizewell C1 week ago
"EDF has a lot to prove. [It's] pinned its fortunes on its own design for a water-pressurised reactor, but early iterations in Finland and France came on stream more than a decade late and projects in the UK are also delayed."
#StopSizewellC #SizewellC
Stop Sizewell C
EDF: Europe’s nuclear hope
The group needs to cut costs and rejuvenate its reactor-building expertise
1711
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Stop Sizewell C
Stop Sizewell C2 weeks ago
The #NationalTrust and #SuffolkWildlifeTrust fear the abundance and diversity of wildlife in #Suffolk will continue to decline..[citing] the impact of energy infrastructure developments which have "changed the landscape," such as #SizewellC, offshore wind farms and solar farms.
#StopSizewellC
Stop Sizewell C
Desperate pleas to 'speak up' for Suffolk's beautiful beaches and nature reserves
Nature charities the National Trust and Suffolk Wildlife Trust are calling on locals to "speak up" for nature amid concerns about a loss…
2781
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