The cap was reduced to 30p/kWh for electricity and 8p/kWh for gas. If you are not on a smart meter, you should submit a new reading as soon as possible to make sure your costs are computed as accurately as possible.
This is a shameless inspiration from this reddit post.
I wonder if this years Black Friday deals will include energy. A few years back I managed to snag a great deal with a supplier (that ultimately went bump) which was good for a few years and saved us a fortune.