Customers of every major energy firm including British Gas,  E.On, EDF, OVO and Octopus Energy will face higher charges from January 1.

That’s because energy regulator Ofgem has announced a 1.2% price rise taking effect on January 1 for all customers not currently on a fixed rate tariff.

It means that the average cost of electricity and gas will be £1,738 a year for a typical use household from 2025, a £21 increase.

It comes just three months after Ofgem rose prices in October by 10%,…