Electricity

Green energy supplier Bulb is raising the price of its only tariff, with all of its 300,000 existing customers hit by the rise in April.

Gas and electricity supplier Spark Energy has apologised after a debt collection firm contacted a number of its ex-customers and wrongly told them they owed money - even though some closed their accounts years ago.

Energy regulator Ofgem has opened an investigation into gas and electricity supplier Iresa's customer service.

An energy price cap must be introduced by next winter to stop millions of customers being ripped off, a committee of MPs has said.

Energy regulator Ofgem is to trial a collective deal for 50,000 customers who haven't switched for more than three years - but you needn't wait to save.

The energy regulator is to investigate whether Ovo Energy gave some of its customers inaccurate information relating to how much gas and electricity they'd used.

Future Energy, an energy supplier with about 10,000 domestic customers mainly in North East England and Yorkshire, has ceased trading.

Small gas and electricity supplier Brighter World Energy has closed, and is moving all customers across to its partner Robin Hood Energy. If you're a Brighter World Energy customer, your supply won't be affected – here's what you need to know.

Over half of households are still on pricey standard variable energy tariffs, including as many as 71% of SSE customers and an increasing proportion of those with some firms outside the big six.

Spark Energy customers have been contacted by a debt collector telling them they were in arrears – days in advance of when payments were due.