Three companies will pay £10.5 million to the energy watchdog's redress fund over the power cuts in August which left more than one million customers without power and caused travel chaos, regulator Ofgem has said.
After nine failed suppliers, major takeovers and a price cap on bills, the energy sector has faced another bruising year which seemed to mark, once and for all, the end of the Big Six.
Energy provider iSupply will pay £1.5 million after it overcharged thousands of customers for their energy and kept it from regulator Ofgem.
Energy customers are still struggling to get accurate bills despite it being "the very least they should expect", according to Citizens Advice.
Scottish and Southern Electricity Networks (SSEN) has submitted a north of Scotland business plan that will look to slash emissions and connect north-east wind farms over five years.
Energy bills look set to fall next year after Ofgem slashed the revenues that network companies are allowed to collect by nearly £1 billion as the cost of borrowing fell.
Ofgem has ripped up 26 gas and electricity licences linked to just five men, as the regulator faces calls to clamp down on pre-packaged energy suppliers after a string of failures in the sector.
British Gas has won its appeal against regulator Ofgem over claims the way the energy price cap had been calculated was unfair, a court has ruled.
Scottish Power is greener than many of its smaller rivals who trade "pieces of paper" that allow them to claim they offer 100% renewable electricity, the company's boss has said.
Toto Energy, which supplies around 134,000 domestic customers, has ceased to trade, Ofgem said.
Ofgem has said it is "unable to approve" SSE Network’s current plans for a £709m subsea electricity link from Shetland to the Scottish mainland.
Gas and electricity suppliers will undergo independent audits of their customer services operations and financial strength under proposed new rules unveiled by the energy watchdog.
Moneysupermarket found comfort in its energy division in the last three months as fears that Ofgem’s new price cap would make customers less likely to change energy supplier, proved false.
National Grid has been told it will have to slash the costs or stump up extra cash for a project to connect Britain's first new nuclear plant in decades to the country's energy network.
The UK's progress in reducing greenhouse gas emissions slowed last year, Ofgem has said.
A planned £260 million transmission link from the Orkney to the mainland has been given the go-ahead by Ofgem following a consultation.
Energy customers on standard deals with major suppliers may be paying £220 more a year than they need to typically, according to analysis.
Energy network protection systems worked "in line with their design" during the August 9 power cut, but security standards should be reviewed to determine if higher levels of resilience would be appropriate, a report into the incident by National Grid has concluded.
A third of smart meter owners have had problems with their devices, ranging from them "going dumb" to failing to function entirely, a survey suggests.
The U.K.’s energy markets regulator said it’ll probe whether grid operators or power generators breached license conditions during the Aug. 9 blackout that saw more than one million British households lose power.
Energy regulator Ofgem has set a 50% target for gender equality across all levels of the energy sector by 2025.
Perth-based energy giant SSE has confirmed it is in talks with a rival firm about selling its domestic energy business.
Energy watchdog Ofgem has proposed a "tough but fair" approach to price controls on electricity networks as they strive to meet green energy targets.
The energy regulator has warned supplier Solarplicity that it will start the process of revoking its licence if it does not keep up with payments to Feed-in-Tariff (FIT) generators.
A renewable energy supplier has been fined £350,000 by the UK regulator over failings for its customers.