Gas

Small energy supplier Iresa is still banned from taking on new customers, increasing direct debits and asking for one-off payments after the regulator found it had failed to make enough improvements.

Scores of customers of Toto Energy have vented their anger over its 'hopeless service' with many reporting serious failings by the small energy supplier.

Energy supplier Outfox the Market has announced a hike to its two variable rate tariffs with 25,000 customers to see the rise in August.

Smaller energy suppliers will soon have to pay vulnerable customers the Warm Home Discount which is worth £140 a year.

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

Green energy supplier Bulb is raising the price of its only tariff, with all 450,000 existing customers to be hit by the rise in August, MoneySavingExpert can reveal.

Gas and electricity supplier Extra Energy has apologised to some former customers after it sent out emails wrongly telling them they owed £100s.

Npower has become the latest big six energy firm to announce a price hike, with a million customers on its standard variable tariff to see bills rise by an average 5.3% from Sunday 17 June.

Scottish Power has become the third Big Six energy provider in ten days to announce a price hike, after it revealed it's increasing standard variable gas and electricity prices from 1 June. Dual fuel direct debit customers will see annual bills increase by an average of 5.5%, or £63.

One hundred and forty thousand households were left without gas or electricity this winter because they didn't have enough money to top up their prepayment meter, Citizens Advice is warning.