Tories overstate net zero cost by nearly £500bn in apparent spreadsheet error

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Exclusive: Badenoch’s flagship conference policy document cites £957bn estimate, twice the total in climate advisers’ data
Kemi Badenoch’s flagship party conference policy document overestimated the cost of net zero by nearly £500bn, seemingly after someone accidentally double-counted figures on a spreadsheet.
The apparent error appears in a chapter on net zero in The Right Way, a 100-page policy document produced for the Conservative conference in Birmingham. Badenoch repeatedly used the phrase in her main speech.
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About this article
- Length
- 79 words · 1 min read
- Published
- October 9, 2026
- Byline
- Peter Walker Senior political correspondent
- Source
- The Guardian