Analysts are forecasting that Centrica will announce a 15 per cent rise in operating profits, amounting to £2.77 billion.
Profit results, which will be announced by the company today, come after Ofgem boss Alistair Buchanan warned of price rises, due to the energy supply crunch from ageing power plants.
Company chief executive Sam Laidlaw has defended the company stating that Centrica's tax bill amounted to £158 for every UK household, and that the company stimulated growth, creating jobs in the country.
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Another cold, frosty and foggy night for many. Northern and western areas will see thickening cloud, patchy rain and milder temperatures.
Temperatures have already plunged to -12C in some parts of the UK this winter - but Thursday could be the coldest day yet.