Where have all the A-rated fridges and fridge freezers gone? (which.co.uk)

The regulation was long overdue.

It looks like the scale rating the energy efficiency of the fridges aged out of being useful. From the article: "Eventually, more than half of the products on the market were labelled A++ and A+++".

The change means a fridge that would be an A in the old system is now a D in the new one. They are hoping that the scale will provide a more accurate idea of the performance of the fridge