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Octopus Energy has bought Shell Energy UK in a move which will see Shell's gas and electricity customers moved to Octopus. If you're with Shell, your account, including payment details, will be transferred automatically in the coming weeks and months – just look out for a welcome email from Octopus. Until then, there are no changes and you should keep paying your bills as normal.

EDF Energy will cut bills by £30 for some 260,000 of its customers who get the Government's Warm Home Discount this winter. But with a typical home paying £2,000 a year for energy, the one-off £30 discount is 'not a game-changer', says MoneySavingExpert.com (MSE) founder Martin Lewis.

E.on Next has become the first big-name energy supplier to launch a fixed tariff costing less than the Price Cap that's available to both new and existing customers. It's currently the cheapest 'open market' deal, costing 2% less than the current Energy Price Cap, though the tariff will cost more than the Cap once it falls from Sunday 1 October. We've full info on whether it's worth considering below.

The maximum amount of compensation given to households and businesses that lose electricity power as a result of severe weather has increased from £700 to £2,000, as part of a raft of new measures announced by energy regulator Ofgem. 

Some Ovo customers with a smart meter can now earn £10 a month in bill credit by lowering their energy usage during peak times. If you can get it, it's a no brainer – but you should still consider and keep an eye out for cheaper fixed deals, as they could save you more money in the long term.

British Gas is offering some customers with a smart meter half-price electricity on Sundays this summer as part of its 'PeakSave' scheme. It's a no-brainer perk for those who can get it – but you should still consider and keep an eye out for cheaper fixed deals, as they could save you more in the long term.

The price households pay for energy "will drop considerably" in July, the energy regulator has confirmed to MoneySavingExpert.com founder Martin Lewis on ITV's Good Morning Britain. It comes ahead of next week's Ofgem announcement on the new Price Cap rate from 1 July, which is predicted to fall below the Government's current Energy Price Guarantee.

Four energy firms – E.on Next, Good Energy, Octopus Energy and Ovo Energy – have paid millions in compensation to households. It comes after some of the firms failed to provide final bills on time, while some charged some users more than the maximum rates allowed.

Around 18,000 Good Energy and Ovo Energy customers have been, or are to be, refunded and offered compensation after the energy firms were found to have charged some users more than the maximum rates allowed. 

Energy suppliers have been permanently banned from fitting prepayment meters into the homes of over-85s and those with chronic illnesses under a new code of practice. Firms also need to prove they meet the industry regulator's new code before restarting forced installations, plus they must now visit each home they plan to install meters into in advance.