This article is from the source 'bbc' and was first published or seen on . It will not be checked again for changes.

You can find the current article at its original source at http://news.bbc.co.uk/go/rss/-/1/hi/business/7174507.stm

The article has changed 3 times. There is an RSS feed of changes available.

Version 0 Version 1
Darling 'seeks energy cost talks' Darling seeks energy cost talks
(about 1 hour later)
Chancellor Alistair Darling has asked to meet with energy regulator Ofgem to discuss last week's gas and electricity price rises by Npower, a report says. Chancellor Alistair Darling has asked to meet with energy regulator Ofgem to discuss last week's gas and electricity price rises by Npower.
In a letter to Ofgem, obtained by the Times, Mr Darling is said to want to review the reasons behind the price hikes and their implications. In a letter to Ofgem, Mr Darling said he wanted to review the reasons behind the price rises and their implications.
Npower, which has increased average gas prices by 17.2% and electricity by 12.7%, expects rivals to follow suit.Npower, which has increased average gas prices by 17.2% and electricity by 12.7%, expects rivals to follow suit.
No-one was immediately available from the Treasury for comment. The company, the UK's fourth-largest energy supplier, blamed the price rises on soaring wholesale costs.
'Particularly interested' Record oil costs
Npower blamed its price rise on soaring wholesale energy costs, which it said had risen by 66% for electricity and 60% for gas since last year. Wholesale energy prices have risen by 66% for electricity and 60% for gas since last year, said Npower, which has four million UK customers.
Why are energy prices rising?Q&A: Energy price switchingWhy are energy prices rising?Q&A: Energy price switching
Price comparison website uSwitch has agreed that it is only a matter of time before rivals put up their own prices. In the letter to Ofgem, Mr Darling wrote: "I would be interested in receiving your assessment of gas and electricity supply and market conditions both in the UK and Europe and likely future trends.
In the letter to Ofgem, Mr Darling is said to have written: "I would be interested in receiving your assessment of gas and electricity supply and market conditions both in the UK and Europe and likely future trends.
"I would be particularly interested in your views on the relationship between wholesale price movements and feed-through to domestic retail prices.""I would be particularly interested in your views on the relationship between wholesale price movements and feed-through to domestic retail prices."
Record oil prices
Npower is the UK's fourth largest energy supplier, with four million domestic customers.
Analysts say wholesale gas prices have risen on the back of the record cost of oil, as any increase in the price of crude has a knock-on effect on gas.Analysts say wholesale gas prices have risen on the back of the record cost of oil, as any increase in the price of crude has a knock-on effect on gas.
Wholesale gas prices in the UK are also said to have been driven higher by the growing number of energy firms on the continent turning to the more liberalised UK market for cheaper supplies.Wholesale gas prices in the UK are also said to have been driven higher by the growing number of energy firms on the continent turning to the more liberalised UK market for cheaper supplies.
The higher cost of gas means increased electricity bills because gas accounts for 40% of electricity production in the UK. Price comparison website uSwitch has agreed with Npower that it is only a matter of time before rivals put up their own prices.
Gas accounts for 40% of electricity production in the UK.