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Must Sizewell C justify itself in pounds, shillings and pence?
The article argues that Sizewell C should be judged as a long-term investment in energy security, not solely by whether its financing terms are the cheapest imaginable. It says critics of the project are comparing the agreed deal with an alternative that was never realistically available, when the actual choice was to proceed or have no power station.
The author says Sizewell C is expected to supply power for six million homes for at least 60 years and save the energy system about £2 billion a year. Construction is expected to add around £1 a month to household bills; the project has awarded £5 billion in contracts to more than 1,000 UK suppliers, and 85 per cent of its design copies Hinkley Point C. The article also cites 1,500 apprenticeships and £4 billion in regional economic value, while acknowledging that scrutiny of the project is necessary.
In short
- The article defends Sizewell C as a long-term energy security investment.
- It is expected to power six million homes for at least 60 years.
- Construction may add around £1 a month to household bills.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Sizewell C can be defended as a long-term investment in reliable, low-carbon electricity and greater energy security, whose value should be assessed over decades rather than by financing cost alone. If it supplies power for six million homes and reduces system costs, those benefits, alongside jobs and domestic supply-chain work, may justify a modest contribution to household bills.
The case against
The project’s scale and long construction period make its costs, financing risks and eventual value important to scrutinise, especially if households face higher bills before receiving its benefits. Forecast savings, output and economic gains depend on assumptions that may not be realised; comparing Sizewell C with doing nothing can also obscure alternatives for meeting energy needs.