British Gas owner Centrica has reported pre-tax profits of £890 million for the first half of 2014, a drop of 40% from 2013.
The company said the fall reflected a changing market environment and the effects of mild weather in the UK and the polar vortex in North America.
ITV News Business Editor Joel Hills tweeted:
Mild weather in UK and polar vortex in US dents Centrica's profits. Owner of British Gas made H1 pre-tax profit of £890m - down 40%.
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Sunny spells for tomorrow, although the further we go into the weekend then we will see outbreaks of rain moving south eastwards