Corrections and updates

When a number changes or we get something wrong, it goes here, with the date.

Our corrections policy

If a calculation, a price, a rule or a source on this site is wrong, we log the date, what was wrong and what it was changed to. Small typing mistakes are fixed without a note. Anything that changes a number, a formula or a statement of fact is recorded here, with the page or video it affects.

Corrections

No corrections so far.

Dates we are watching

• VAT on a battery installed without solar
  0% until 31 March 2027, then 5% (HMRC). The quote checker and the pages that mention it will be checked on that date.31 March 2027
• Ofgem price cap
  The cap for 1 October to 31 December 2026 is used in the examples. The next cap is expected to be announced around 25 November 2026 (to be confirmed). The example prices and the "Data as of" dates are then updated.About 25 November 2026

Spotted a mistake?

Please email corrections@metersums.co.uk or tell us in a comment on the video on YouTube. We check them and log what we change here.