Key power projects set to bump up bills

Major projects to improve the UK’s gas and electricity networks will add an average of £15 to household bills within a decade, the regulator warned yesterday.

Ofgem believes £22 billion has to be spent on “critical infrastructure projects” such as laying undersea cables linking Scotland with England and Wales.

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The cost of this investment will mean consumers, who already face a typical dual fuel bill of £1,310, will see tariffs lift by an average of £7 in 2013, rising to £15 in 2021.

But National Grid, which runs much of the network, slammed the proposals, saying they do not go far enough to incentivise energy companies to carry out the work needed.

At the heart of the row is the matter of how much energy companies are allowed to hike their charges to consumers and businesses to help fund the work.

The UK’s high voltage electricity grid, high pressure gas network and some of its low pressure gas networks are run by National Grid. The rest of the low pressure gas network and the low voltage electricity network are run by other companies.

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These companies pass on fees to consumers and households via energy suppliers, which will rise under the proposals.

However, Ofgem has slashed 20 per cent from the hikes that energy companies had suggested they needed to fund the programme.

It is understood that National Grid alone planned to spend some £31 billion on its programme but Ofgem has limited the overall industry spend to £17 billion, with a further £5 billion if it proves necessary.