The taxpayer faces a £4bn bill if a "big six" energy company goes under

5 questions answered.

Under newly proposed plans by Ed Davey the tax payer could foot the bill if one of the big six energy companies goes bust. We answer five questions on the proposed contingency plans.

What is Ed Davey proposing?

Energy Secretary Ed Davey is proposing to intervene quickly should one of the big six companies - EDF of France, E.ON and npower of Germany and Scottish Power, owned by Iberdrola of Spain, Centrica and Scottish & Southern Electric – go bust.

The "worst case scenario" plans, outlined in an Energy Department consultation paper open for comments until March 15, could result in household bills rising by between £7 and £32 a year on average over the period, equivalent to a maximum contribution of £4bn on the basis of 25.5m households in the UK, according to The Telegraph.

The provisions would enable the Government to intervene and continue to fund any company about to go bust and control the cost passed onto the consumer and maintain market sustainability. The rest of the industry would be expected to maintain supplies should this happen.

What is the likely-hood one of the big six companies could going bust?

It is not thought to be very likely that one of these companies would go bust any time soon and their commitment to the UK is not being questioned. It is thought the government is brining in these extra precautions because it does not want to have a repeat of the banking fiasco in the energy sector.

Does the government not already have provisions in place?

It does in the form of the 2011 2011 Energy Act which has already introduced a special administration regime to provide protection for the National Grid and the electricity and gas distribution networks it operates, as well as for the rail and water industries. However, Davey feels these provisions are not robust enough to cope with the mayhem that would ensue in the market if one of the big energy providers went bust.

What has the Department of Energy said?

An Energy Department official told The Telegraph: “It is extremely unlikely that any of the large energy suppliers in the UK would become insolvent. None the less, the Government believes that it is prudent to have in place a framework that will ensure the continued operation of a major supplier until its customers can be transferred to other partners.”

What do the energy companies think about these new provisions?

EDF has said it is broadly supportive of the proposals, while others are yet to comment

Photograph: Getty Images

Heidi Vella is a features writer for Nridigital.com

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The problems with ending encryption to fight terrorism

Forcing tech firms to create a "backdoor" to access messages would be a gift to cyber-hackers.

The UK has endured its worst terrorist atrocity since 7 July 2005 and the threat level has been raised to "critical" for the first time in a decade. Though election campaigning has been suspended, the debate over potential new powers has already begun.

Today's Sun reports that the Conservatives will seek to force technology companies to hand over encrypted messages to the police and security services. The new Technical Capability Notices were proposed by Amber Rudd following the Westminster terrorist attack and a month-long consultation closed last week. A Tory minister told the Sun: "We will do this as soon as we can after the election, as long as we get back in. The level of threat clearly proves there is no more time to waste now. The social media companies have been laughing in our faces for too long."

Put that way, the plan sounds reasonable (orders would be approved by the home secretary and a senior judge). But there are irrefutable problems. Encryption means tech firms such as WhatsApp and Apple can't simply "hand over" suspect messages - they can't access them at all. The technology is designed precisely so that conversations are genuinely private (unless a suspect's device is obtained or hacked into). Were companies to create an encryption "backdoor", as the government proposes, they would also create new opportunities for criminals and cyberhackers (as in the case of the recent NHS attack).

Ian Levy, the technical director of the National Cyber Security, told the New Statesman's Will Dunn earlier this year: "Nobody in this organisation or our parent organisation will ever ask for a 'back door' in a large-scale encryption system, because it's dumb."

But there is a more profound problem: once created, a technology cannot be uninvented. Should large tech firms end encryption, terrorists will merely turn to other, lesser-known platforms. The only means of barring UK citizens from using the service would be a Chinese-style "great firewall", cutting Britain off from the rest of the internet. In 2015, before entering the cabinet, Brexit Secretary David Davis warned of ending encryption: "Such a move would have had devastating consequences for all financial transactions and online commerce, not to mention the security of all personal data. Its consequences for the City do not bear thinking about."

Labour's manifesto pledged to "provide our security agencies with the resources and the powers they need to protect our country and keep us all safe." But added: "We will also ensure that such powers do not weaken our individual rights or civil liberties". The Liberal Democrats have vowed to "oppose Conservative attempts to undermine encryption."

But with a large Conservative majority inevitable, according to polls, ministers will be confident of winning parliamentary support for the plan. Only a rebellion led by Davis-esque liberals is likely to stop them.

George Eaton is political editor of the New Statesman.

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