Ofgem

British Gas, Ovo Energy and Utility Warehouse forcibly installed many more prepayment meters than their competitors, the energy regulator has found - and all suppliers have been warned this tactic must be a last resort to recover debt.

EDF has been told to pay £350,000 for missing its smart meter target by three weeks.

Regulator Ofgem is looking at introducing automatic compensation for energy consumers hit by late final bills, in a major victory for MoneySavingExpert.com.

Ofgem is looking at making it tougher for smaller energy suppliers to enter the market, citing concerns about poor customer service and financial instability.

SSE is to pay £1 million after sending 580,000 pre-payment customers 'inaccurate and misleading information' in their annual statements.

Utility Warehouse is being investigated by Ofgem over the way it manages its customers that get into debt - particularly on whether it puts in place appropriate repayment options.

Small energy supplier Iresa is facing what is essentially an indefinite ban on taking on new users as it is failing to meet customer service targets laid out by regulator Ofgem.

Energy regulator Ofgem has alleged that suppliers E (Gas and Electricity) and Economy Energy breached competition law through an anti-competitive agreement in place for at least nine months during 2016.

Green Star Energy has been wrongly telling some customers nearing the end of their fix they'll have to pay exit fees of £30 per fuel to switch, MoneySavingExpert can reveal.

From today all energy firms are banned from back-billing customers beyond 12 months if the delay is not their fault - here's what you need to know.