National Grid has just told me that gas demand is up 100 million cubic meters from the seasonal norm - which is equivalent to heating an extra seven million homes.
Usually gas demand at this time of year is 270 million cubic meters, but the actual demand today is 370 million cubic meters.
It has pushed up wholesale prices from a norm of 70p to around £1.
More top news
Six people have begun living in a dome in Hawaii to simulate what life would be like on Mars.
The 12th series of X Factor kicks off on ITV this Saturday but which previous winners went on to make it big?
A mother and her four young children who are feared to be travelling to Syria are being sought by police.